More Letters of Charles Darwin Volume II
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Charles Darwin >> More Letters of Charles Darwin Volume II
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Lyell, Lady, letter to.
-translation of paper for Darwin.
-visits Down.
-mentioned.
Lynch, R.I.
Lythraceae, dimorphism in.
Lythrum, cross-fertilisation of.
-Darwin's work on.
-trimorphism of.
-L. hyssopifolium, range of.
-L. salicaria, dimorphism of.
-Darwin's work on.
Macacas, Owen on.
-M. Silenus, mane as a protection.
Macalister, Prof. A.
Macarthur, Sir W., on Erythrina.
Macaw, beauty of plumage.
McClennan, on primitive man.
MacCulloch, on Glen Turret.
-on metamorphic rocks.
-on Parallel Roads of Glen Roy.
M'Donnell, Darwin on work of.
Macgillivray, reference to his "History of British Birds."
Machetes pugnax, polygamy of.
Mackintosh, Daniel (1815-91): was well-known in the South of England as a
lecturer on scientific subjects. He contributed several papers to the
Geological Society on Surface Sculpture, Denudation, Drift Deposits, etc.
In 1869 he published a work "On the Scenery of England and Wales" (see
"Geol. Mag." 1891, page 432.
-on boulders of Ashley Heath.
-letters to.
-on Moel Tryfan.
-on sources of erratic blocks in England.
McNab, Prof., J. Scott and.
-mentioned.
Macrauchenia, skull of.
Madagascar, existence of insects capable of fertilising Angraecum in.
-fossil Hippopotamus of.
-Owen on fauna of.
-plants of.
-former extension of.
-as a geographical region.
-Viola of.
Madeira, birds of.
-British plants compared with those of.
-Canary Islands formerly connected with.
-flora of.
-insects of.
-land-extension, of.
-land-shells of.
-Lowe on.
-Tertiary plants of.
-elevation of.
Maer, the home of the Wedgwoods.
Magellan Straits, H.M.S. "Beagle" in.
Magnus, review by Krause of his work on colour.
Magpies, pairing of.
Mahon, Lord, compliment to Darwin.
Mahonia, natural crossing of.
Maillet, evolutionary views of.
Maize, hybrids of, see also Zea.
Malaxeae, and Epidendreae.
Malaxis, course of vessels in flower.
-fertilisation of.
Malaxis paludosa, epiphytic on Sphagnum.
Malay archipelago, Darwin on Wallace's book on.
-translation by Meyer of Wallace's book.
Malay region, glacial epoch and the.
-Wallace on butterflies and pigeons of.
Malpighiaceae, degraded flowers of.
-Erythroxylon included in.
Malta, Forbes on geology of.
Malthus, Darwin derives help from reading.
-Haughton sneers at.
-misunderstood.
Malva.
Mammae, as rudimentary organs in man.
Mammals, alteration in skulls of.
-Australian cave-.
-birds compared with.
-Dana's classification.
-distribution.
-as indices of climatic changes.
-as proof of union between England and Continent since Glacial period.
-Waterhouse's "Natural History" of.
-Glacial period and extinction of.
-Origin and migration.
Mammoth (Bog).
Mammoth, Darwin's eagerness to collect bones of.
-Falconer on the.
Man, antiquity of (see "Antiquity of Man," and Lyell, Sir C.).
-and apes.
-brain of.
-criticism of Lyell's chapter on.
-Huxley's book on.
-McClennan on primitive.
-and Natural Selection.
-origin of.
-races of.
-selection by Nature contrasted with selection by.
-slow progress of.
-Darwin on Wallace's paper on.
-descent of.
-ears of.
-geological age of.
-and geological classification.
-hairyness of.
-introduction of.
-rank in classification.
-Turner on evolution of.
-Wallace on evolution of.
Mankind, descent from single pair.
-early history of.
-progress of.
Mantell, Owen's attack on.
"Manual of Scientific Inquiry," Darwin's.
Manx cats.
Maranta, sleep-movements of.
Marble, MacCulloch on metamorphism of.
Marianne Islands, subsidence of.
-want of knowledge of flora.
Marion, "L'evolution du Regne vegetal," by Saporta and.
Marlatt, C.L., on Cicada.
Marquesas Islands, subsidence of.
Marr, J.E., on the rocks of Bohemia.
-mentioned.
Marriage, Darwin on.
-Galton's proposal to issue health-certificates for.
Marshall, W., on Elodea.
Marsupialia, compared with placentata.
-Darwin on nature of.
-evidence of antiquity.
-abundance in Secondary period.
Martens, see Martins.
Martha (=Posoqueria), F. Muller's paper on.
Martin, H.N., Darwin's opinion of "Elementary Biology" by Huxley and.
Martins, experiments on immersion of seeds in sea by.
Maruta cotula of N. America.
Masdevallia, Darwin's work on.
Massart, on regeneration after injury.
Masters, M., letters to.
-lecture at Royal Institution.
-"Vegetable Teratology."
Mastodon, Australian.
-extinction of.
-Falconer on.
-in Timor.
-migration into S. America.
-skeleton found by Darwin.
-M. andium, Falconer on intermediate character of.
"Materialism of the Present day," Janet's.
Matteucci on electric fishes.
Matthew, P., on forest trees in Scotland.
-quoted by Darwin as having enunciated principle of Natural Selection
before "Origin."
Maurienne, note on earthquake in province of.
Mauritius, craters of.
-elevation of.
-extinction of snakes of.
-oceanic character of.
Maury's map, as illustrating continental extension.
Maxillaria.
Maypu River, Darwin visits.
Mays, J.A., publishes lectures by Huxley.
Medals:
-(Copley), Darwin, Lyell.
-(Royal).
-(Wollaston), Darwin.
Medical Department of Army, statistics from Director-General of.
Meditation, expression of eyes in.
Mediterranean Islands, flora of.
Medusae, Romanes' work on.
Meehan, T., letter to.
Megalonyx.
Megatherium, Darwin collects bones of.
-Sir A. Carlisle on.
Melastoma, Darwin on.
Melastomaceae, Darwin on.
-crossing in.
-two kinds of stamens in.
Meldola, Prof. Raphael F.R.S.: Professor of Chemistry in Finsbury
Technical College (City and Guilds of London Institute), and a well-
known entomologist; translated and edited Weismann's "Studies in the
Theory of Descent," 1882-83.
-address to Entomological Society.
-letters to.
-translation of Weismann's "Studies in Descent" by.
-on Weismann and Darwin.
-mentioned.
Melipona.
Meloe, Lord Avebury on.
Melrose, seeds from sandpit near.
Memorial to the Chancellor of the Exchequer.
Mendel, G., W. Bateson on his "Principles of Heredity."
-Darwin ignorant of work of.
-Laxton and.
Mendoza, Darwin visits.
"Mental Evolution in Animals," Romanes'.
Mentha, of N. America.
-M. borealis, variety in N. America.
Menura superba, colour and nests of.
Menzies and Cumming, visit Galapagos Islands.
Mercurialis.
Mertensia, Darwin's experiments on.
Mesembryanthemum.
Mesotherium, Falconer on.
Metamorphic schists.
Metamorphism, Darwin on.
-heat and.
-Sorby on.
Metamorphosis, Lord Avebury on insects and.
-F. Muller on.
-Quatrefages on.
Meteorites, Lord Kelvin suggests their agency in introduction of plants.
"Methods of Study," Agassiz' book on.
Mexicans, explanation of natural affinities of Chinese and.
Meyen, on insectivorous plants.
Meyer, Dr., translator of Wallace's "Malay Archipelago."
Meyer and Doege, on plants of Cape of Good Hope.
Mica, in foliated rocks.
Mica-slate, clay-slate and.
Mice, ears of.
-experiments by Tait on.
Microscope, Darwin on convenient form of.
-indispensable in work on flowers.
-use of compound without simple, injurious to progress of Natural
History.
Migration of animals and plants.
-Darwin on plant-.
-of elephants.
-Glacial period and.
-of plants.
-in tropics.
-of birds.
Mikania, a leaf-climber.
-M. scandens, gradation between Mutisia and.
Mill, J.S., on Darwin's reasoning.
-on greatest happiness principle.
Miller, Hugh, "First Impressions of England and its People."
Miller, S.H., "Fenland Past and Present" by Skertchley and.
Miller, Prof. William Hallowes, F.R.S. (1801-80), held the Chair of
Mineralogy at Cambridge from 1832 to 1880 (see "Obituary Notices of
Fellows," "Proc. R. Soc." Volume XXXI., 1881). He is referred to in the
"Origin of Species" (Edition VI., page 221) as having verified Darwin's
statement as to the structure of the comb made by Melipona domestica, a
Mexican species of bee. The cells of Melipona occupy an intermediate
position between the perfect cells of the hive-bee and the much simpler
ones of the humble-bee; the comb consists "of cylindrical cells in which
the young are hatched, and, in addition, some large cells of wax for
holding honey. These latter cells are nearly spherical and of nearly equal
sizes, and are aggregated into an irregular mass. But the important point
to notice is that these cells are always made at that degree of nearness to
each other that they would have intersected or broken into each other if
the spheres had been completed; but this is never permitted, the bees
building perfectly flat walls of wax between the spheres which thus tend to
intersect." It occurred to Darwin that certain changes in the architecture
of the Melipona comb would produce a structure "as perfect as the comb of
the hive-bee." He made a calculation, therefore, to show how this
structural improvement might be effected, and submitted the statement to
Professor Miller. By a slight modification of the instincts possessed by
Melipona domestica, this bee would be able to build with as much
mathematical accuracy as the hive-bee; and by such modifications of
instincts Darwin believed that "the hive-bee has acquired, through natural
selection, her inimitable architectural powers" (loc. cit., page 222).
-letters to.
Million years, Darwin on meaning of a.
Milne-Edwards, Darwin's cirripede work and.
-Darwin's opinion of.
-on retrograde development.
Milne-Home, David (1805-90): was a country gentleman in Berwickshire who
became interested in geology at an early age. He wrote on the Midlothian
Coal-field, the Geology of Roxburghshire, the Parallel Roads of Glen Roy,
and compiled the Reports presented by a Committee appointed by the Royal
Society of Edinburgh to investigate the observation and registration of
boulders in Scotland ("Quart. Journ. Geol. Soc." Volume XLVII., 1891;
"Proc." page 59).
-believes in connection between state of weather and earthquakes.
-on Glen Roy.
-letters to.
-letter from R. Chambers to.
-on oscillation of sea.
Milton, quotation from.
Mimicry, Bates on.
-and dimorphism.
-Volucella as an example of.
-Wallace on.
-and colour.
-F. Muller on Lepidoptera and.
Mimosa, Darwin's experiments on.
-M. albida, Darwin on.
-M. sensitiva.
Mimoseae, F. Muller's account of seeds of.
Mimulus, Pfeffer on movement of stigma.
Mind, development of.
-evolution of.
-influence on nutrition.
Miocene land.
Miquel, F.A.W., on Flora of Holland.
-on distribution of the beech.
-on flora of Japan.
-mentioned.
Mirabilis.
Mirbel, G.F.B. de.
Miscellaneous letters, botanical.
-geological.
Miscellaneous subjects, letters on.
Mississippi, Lyell on pampas and deposits of the.
Mitchella.
Mivart, St. George F.R.S. (1827-1900): was educated at Harrow, King's
College, London, and St. Mary's College, Oscott. He was called to the Bar
in 1851; in 1862 he was appointed Lecturer in the Medical School of St.
Mary's Hospital. In the "Genesis of Species," published in 1871, Mivart
expressed his belief in the guiding action of Divine power as a factor in
Evolution.
-false reasoning of.
-"Genesis of Species."
Modification, Darwin's disbelief in sudden.
-explanation of.
-of insects.
-of jays and crows.
-of land and freshwater faunas.
-selection and.
-of species.
-Walsh on specific.
Moel Tryfan, Darwin on shells on.
-Mackintosh on shells on.
Moggridge, J. Traherne (1842-74): is described by a writer in "Nature"
Volume XI., 1874, page 114, as "one of our most promising young
naturalists." He published a work on "Harvesting Ants and Trap-door
Spiders," London, 1873, and wrote on the Flora of Mentone and on other
subjects. (See "The Descent of Man" Volume I., Edition II., page 104,
1888.)
-letters to.
-note on.
-experiments on ants and seeds.
Mohl, von, on climbing plants.
Mojsisovics, E. von: Vice-Director of the Imperial Geological Institute,
Vienna.
-letters to.
-work on Palaeontology and Evolution.
Molecular movement in foliated rocks.
Moller, "Brasilische Pilzblumen."
Molliard, on Les Cecidies florales.
Mollusca, distribution by birds.
-Huxley on.
-means of dispersal of.
-Morse on protective colours of.
-Wallace on distribution of.
Molothrus, occurrence in Brazil.
Monacanthus viridis, female form of Catasetum tridentatum.
Monkeys, distribution of birds affected by.
-range of.
-ears of.
-mane as protection.
-wrinkling of eyes during screaming.
Monochaetum (Monochoetum), absence of nectar in.
-experiments on.
-flowers of.
-neglected by bees.
-seeds of.
-M. ensiferum, two kinds of stamens.
Monocotyledons, range of.
-heterostylism in.
Monotremes, birds compared with.
-as remnant of ancient fauna.
Monotropa uniflora, in New Granada.
-in Himalayas.
-in separate areas in U.S.A.
Monotypic genera, variation of.
Monstrosities, Harvey on.
-Masters' work on.
-no sharp distinction between slight variations and.
-origin of species from.
-variations and.
Monte Video, Darwin visits.
-Darwin on cleavage at.
Moon, effect on earthquakes.
Moraines, glacial.
Moral sense, J. Morley on Darwin's treatment of.
Morality, foundation of.
More, Alexander Goodman (1830-95): botanist and zoologist, distinguished
chiefly by his researches on the distribution of Irish plants and animals.
He was born in London, and was educated at Rugby and Trinity College,
Cambridge. He became Assistant in the Natural History Museum at Dublin in
1867, and Curator in 1881. He was forced by ill-health to resign his post
in 1887, and died in 1895. He is best known for the Cybele Hibernica and
for various papers published in the "Ibis." He was also the author of
"Outlines of the Natural History of the Isle of Wight," of a "Supplement to
the Flora Vectensis," and innumerable shorter papers. His "Life and
Letters" has been edited by Mr. C.B. Moffat, with a preface by Miss Frances
More (1898). There is a good obituary notice by Mr. R. Barrington in the
"Irish Naturalist," May, 1895.
-letters to.
Morgan.
Morley, J., letters to.
Mormodes, labellum of.
-M. ignea, flower of.
Morphological, Hooker's criticism of term.
-sense in which used by Nageli.
Morphology, Darwin's explanation of.
-Kollmann on batrachian.
-of plants.
Morse, Prof. E.S.: of Salem, Mass.
-letters to.
-on shell-mounds of Omori.
Morton, Lord, his mare.
Moscow, opinion on Darwin's work from.
Moseley, Canon H., on glacier-motion.
Moseley, Prof. Henry Nottidge F.R.S. (1844-91): was an undergraduate of
Exeter College, Oxford, and afterwards studied medicine at University
College, London. In 1872 he was appointed one of the naturalists on the
scientific staff of the "Challenger," and in 1881 succeeded his friend and
teacher, Professor Rolleston, as Linacre Professor of Human and Comparative
Anatomy at Oxford. Moseley's "Notes by a Naturalist on the Challenger,"
London, 1879, was held in high estimation by Darwin, to whom it was
dedicated. (See "Life and Letters," III., pages 237-38.)
-letter to.
-proposal to examine Kerguelen Coal beds.
Moss-rose, sudden variation in.
Mostyn, Lord, horse and quagga belonging to.
Moths, hermaphroditism in hybrid.
-survival of distinct races.
-colours of.
-and Sexual Selection.
Mould, Darwin's opinion of his paper on.
Mountain-building, Rogers on.
Mountain-chains, Darwin on.
-and earthquakes.
-and elevation.
-false views of geologists on.
-Hopkins on.
-volcanic rocks in.
Movement, of land-areas.
-of plants, Darwin on.
-F. Muller on.
-Wiesner on Darwin's book on.
Mucus of seeds, significance of.
Mukkul, Pass of.
Mules, meaning of stripes of.
-J.J. Weir's observations on.
Muller, Ferd., on advance of European plants in Australia.
Muller, (Fritz) Dr. Johann Friedrich Theodor (1822-97): was born in
Thuringia, and left his native country at the age of thirty to take up his
residence at Blumenau, Sta Catharina, South Brazil, where he was appointed
teacher of mathematics at the Gymnasium of Desterro. He afterwards held a
natural history post, from which he was dismissed by the Brazilian
Government in 1891 on the ground of his refusal to take up his residence at
Rio de Janeiro ("Nature," December 17th, 1891, page 156). Muller published
a large number of papers on zoological and botanical subjects, and rendered
admirable service to the cause of evolution by his unrivalled powers of
observation and by the publication of a work entitled "Fur Darwin" (1865),
which was translated by Dallas under the title "Facts and Arguments for
Darwin" (London, 1869). The long series of letters between Darwin and
Muller bear testimony to the friendship and esteem which Darwin felt for
his co-worker in Brazil. In a letter to Dr. Hermann Muller (March 29th,
1867), Mr. Darwin wrote: "I sent you a few days ago a paper on climbing
plants by your brother, and I then knew for the first time that Fritz
Muller was your brother. I feel the greatest respect for him as one of the
most able naturalists living, and he has aided me in many ways with
extraordinary kindness." See "Life and Letters," III., page 37; "Nature,"
October 7th, 1897, Volume LVI., page 546.
-book by.
-convert to Darwin's views.
-Darwin's opinion of his book.
-friendship with Darwin.
-Hooker on.
-letters to.
-on Lord Morton's mare.
-on mutual specialisation of insects and plants.
-on prawns.
-reference to letter from.
-on sponges.
-on Cassia and caterpillars in S. Brazil.
-on climbing plants.
-on crossing plants.
-Darwin offers to make good loss by flood.
-Darwin's admiration of.
-on Darwin's work on lepidoptera.
-Darwin urges him to write Natural History book.
-explanation of two kinds of stamens in flowers.
-on fertilisation mechanisms.
-letter to Darwin from.
-narrow escape from flood.
-article in "Kosmos" on Phyllanthus.
-on Melastomaceae.
-on orchids.
-on stripes and spots in animals.
-on Termites.
-disinclined to publish.
-mentioned.
Muller, Hermann (1829-83): began his education in the village school of
Muhlberg, and afterwards studied in Halle and Berlin. From an early age he
was a keen naturalist, and began his scientific work as a collector in the
field. In 1855 he became Science teacher at Lippstadt, where he continued
to work during the last twenty-eight years of his life. Muller's greatest
contribution to Botany "Die Befruchtung der Blumen durch Insekten," was the
outcome to Charles Darwin's book on the "Fertilisation of Orchids." He was
a frequent contributor to "Kosmos" on subjects bearing on the origin of
species, the laws of variation, and kindred problems; like his brother,
Fritz, Hermann Muller was a zealous supporter of evolutionary views, and
contributed in no small degree to the spread of the new teaching. ("Prof.
Dr. Hermann Muller von Lippstadt: Ein Gedenkblatt," by Ernst Krause,
"Kosmos," Volume VII., page 393, 1883.)
-extract from letter to.
-Darwin's admiration for his book.
-on fertilisation of flowers.
-on clover and bees.
-on Epipactis and Platanthera.
-extract from Darwin's preface to his "Befruchtung der Blumen."
-letters to.
-on Melastoma.
-persecuted by Ultramontane party.
-review in "Kosmos" of "Forms of Flowers."
-mentioned.
Muller, Prof. Max, "Lectures on the Science of Language."
-letter to.
Muller, Rosa, observations on circumnutation.
Mummy wheat.
Mundane cold period, Darwin on supposed.
Mundane genera, distribution of.
Munro, Col., on Bermuda.
Munro, on eyes of parrots.
Murchison, Sir R.I., apotheosis of.
-Darwin's conversations with.
-letter to.
-address to Geological Society.
-on structure of Alps.
-Lyell's criticism of.
Murder, expression of man arrested for.
Murdoch, G.B., letter to.
Murray, A., address to Botanical Society of Edinburgh.
-criticism of Wallace's theory of nests.
-Darwin criticised by.
-Darwin's criticism of work of.
-on geological distribution of mammals.
-on leaves and CO2.
-review of "Origin" by.
-mentioned.
Murray, Sir J., Darwin on his theory of coral reefs.
Murray, J., Darwin's agreement with.
-"Journal of Researches" published by.
-MS. of "Origin" sent to.
-sale of "Origin."
-publication of "Fur Darwin."
Mus, range of.
Musca vomitoria, Lowne on.
Muscles, contraction in evacuation and in labour pains.
-in man and apes.
Museum (British), enquiry as to disposal of Natural History Collections
by Trustees of.
Music, birds and production of.
-insects, and.
-origin of taste for.
Musk-duck, hatching of eggs.
Musk-orchids, pollinia of.
Musk ox, as index of climate.
-found in gravel at Down.
Mussels, seize hold of fishing hooks.
Mutability of species, Lyell on.
Mutation, use of term.
Mutisia, a tendril-climber, compared with Mikania.
Myanthus barbatus, hermaphrodite form of Catasetum tridentatum.
Mylodon.
Myosotis, in N. America.
Myosurus, range of.
Mytilus, as fossil in the Andes.
Nageli, Carl Wilhelm von (1817-91): was born at Kilchberg, near Zurich. He
graduated at Zurich with a dissertation on the Swiss species of Cirsium.
At Jena he came under the influence of Schleiden, who taught him
microscopic work. He married in 1845, and on his wedding journey in
England, collected seaweeds for "Die neueren Algen-systeme." He was called
as Professor to Freiburg im Breisgau in 1852; and to Munich in 1857, where
he remained until his death on May 10th, 1891. In the "Zeitschrift fur
wiss. Botanik," 1844-46, edited by Nageli and Schleiden, and of which only
a single volume appeared, Nageli insists on the only sound basis for
classification being "development as a whole." The "Entstehung und
Begriff" (1865) was his first real evolutionary paper. He believed in a
tendency of organisms to vary towards perfection. His idea was that the
causes of variability are internal to the organism: see his work, "Ueber
den Einfluss ausserer Verhaltnisse auf die Varietatenbildung. Among his
other writings are the "Theorie der Bastardbildung," 1866, and "Die
Mechanisch-physiologische Theorie der Abstammungslehre," 1884. The chief
idea of the latter book is the existence of Idioplasm, a part of protoplasm
serving for hereditary transmission. (From Dr. D.H. Scott's article in
"Nature," October 15th, 1891, page 580.)
-Darwin on his work.
-Essay on Natural Selection.
-on Hieracium.
-"Ueber Entstehung und Begriff der naturhistoriscehn Art."
-Weismann on work of.
-on arrangement of leaves.
-criticism of Darwin.
-on innate principle of development.
-on physiological nature of useful adaptations in plants.
Napier, Rt. Hon. J.R., speech at British Association (1861) on Darwin's
work.
Naravelia.
Narborough, Sir J., description of W. coast of S. America by.
Nascent organs, rudimentary and.
-wing of Apteryx as.
Natural classification.
"Natural Conditions of Existence," Semper's.
Natural History, Darwin's taste for.
-Darwin's contributions to.
-accuracy the soul of.
-Darwin urges F. Muller to write book on.
Natural History Collections, enquiry as to disposal by British Museum
Trustees of.
"Natural History Review," Lord Avebury on Walsh's paper on dimorphism.
-Bentham in the.
-Darwin's opinion of.
-Darwin reviews Bates in.
-Falconer in the.
-founding of.
-Huxley and.
"Natural Inheritance," Galton's.
Natural preservation, as substitute for Natural Selection.
"Natural Science," A.S. Woodward on Neomylodon in.
Natural Selection, accumulation of varieties by.
-and adaptation in orchids.
-Allen on slowness of action.
-Angraecum in relation to.
-Ansted on.
-applied to politics.
-and artificial.
-Bates' belief in.
-Bronn on.
-comparison with architecture.
-with force and matter.
-with laws of gravity.
-conservative influence of.
-Cope's and Hyatt's views on.
-Darwin accused of making too much of a Deus of.
-Darwin's anxiety not to overestimate effect of.
-Darwin lays stress on importance of.
-Darwin on use of term.
-deification of.
-and direct action.
-Eocene or Secondary organisms would be beaten in competition with
recent on theory of.
-and external conditions.
-Falconer on.
-and fertility.
-Asa Gray on.
-Harvey misunderstands Darwin's meaning.
-Haughton partially admits.
-Hooker thinks Darwin probably rides too hard his hobby of.
-Hooker on supposed falling off in belief in.
-Hooker and Bates believe in.
-Huxley's belief in.
-Huxley gives in a lecture inadequate idea of.
-Hyatt and Cope on.
-importance of.
-Lamont on.
-Lyell on.
-and monstrosities.
-Nageli's Essay on.
-no limit to perfection of co-adaptations produced by.
-non-acceptance of.
-objections to.
-"plants are splendid for making one believe in."
-possibility of race of bears being rendered aquatic through.
-with the principle of divergence the keystone of "Origin."
-production of thorns through.
-tends to progression of organisation.
-providential arrangement and superfluity of.
-struggle between reversion, variability and.
-Scott on.
-slowness of action.
-and sterility.
-success of.
-tails of mice a difficulty as regards.
-Sir W. Thomson's misconception of.
-uses of.
-value of.
-and variation.
-variation of species sufficient for selection and accumulation of new
specific characters by.
-and useful characters.
-Wallace on.
-Watson on.
-applied to man and brutes.
-Australian savages and.
-beauty and.
-Darwin on action of.
-Darwin's historical sketch in "Origin" of.
-difficulties of.
-Donders nearly preceded Darwin in views on.
-evolution of man from point of view of.
-Owen's attitude towards.
-primogeniture destructive of.
-Sexual Selection less powerful than.
-Wallace attributes theory entirely to Darwin.
-Wallace on brain and.
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