Charles Darwin's natural selection : being the second part of his big species book written from 1856 to 1858 / edited from the manuscript by R.C. Stauffer.

  • Darwin, Charles, 1809-1882.
Date:
[1975]
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Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Charles Darwin's natural selection : being the second part of his big species book written from 1856 to 1858 / edited from the manuscript by R.C. Stauffer. Source: Wellcome Collection.

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    INDEX Owen, R. (coni.) C.D. memorandum to see Owen : About hermaphrodite invertebrates, 45 n 2 ; About orang-outang. 111 n 7 Fluttering fin of flying fish an aerodynamic aid, 341 n 1 Homologous structures : Lateral sacs of earthworms and arthropod tracheae, 357 ; Swim-bladder of fishes, especially Cobites, 356 Mammals: Pig not as close to pachyderms as once believed, 319; Ruminants and pachyderms united by Eocene forms, 384; Teeth of lower jaw always differ between genera, 355 n 4 Mylodon survived fractured skull, 205 No metamorphosis in most organised forms, 574 Pulmonary sac and gills in the same gastropod, 356 n 3 Separation of sexes : In Acarus, 43 n 2 ; In corals and hydra, 362 n 3 ; In Flustra, 46 n 1 Stoat reached Britain after Glacial period, 324 n 3 Variability of highly developed parts, 307 Variability: Of gall bladders in giraffe, 112; Of hand, 112, and arm, 309 n 1, in orang-outang Vegetative repetition a sign of unspecialised organisation, 298 Owen, William Fitzwilliam Town invaded by elephants, 182-3 Oxalis buplevrifolia, different leaf forms, 325 Oyster : Functional separation of sexes, 45 ; Great destruction in severe winter, 185 n 2 ; Profits by experience, 472 Paley, William No organ formed to give pain, 380 Pallas, Peter Simon Asiatic cockroach replacing great cockroach, 200 n 7 Crosses : Anser cygnoides x A. cinereus produce fertile offspring, 439 n 2 ; Coercion not needed in some cases, 427 n 2; Hybrid legumes do not form in nature, 68 Domestication: Decreases fecundity of wild plants, 81 ; Increases chance of forming hybrids, 440, 462 Double shoulder stripe of konlan, 328 Panicum ciliare, converts to P. sanguinale, 126 n 4 Papaver: Ease of crossing, 49; Seed production, 176 n 2; Variability, 108 Paradoxurus, does not breed in captivity, 77 Parasitism, Cuckoos, ichneumonids, etc., 506 et seq. Paris basin, diversity of Eocene fossils, 247 Parnassia palustris, dichogamy, 54 Parry, Captain — Dog X she-wolf without coercion, 427 n 2 Transport by icebergs, 542, 562 n 2 Parus: P. coeruleus (tomtit) feeds young 475 times a day, 185; P. major (great tit) cracks yew-berry kernels with beak, 344 Passiflora: Cross-fertilisation beneficial, 38, 40; by insects, 52; Hybrids easily pro¬ duced, 400; variable in first generation, 446; Plants with good pollen but bad pistil, 82 Peabody, William Nesting behaviour: Cock-nests of Troglodytes, 502 n 1; Cypselus, 499 n 1; Totanus macularius makes simple nest or none, 504 ; Variable habits in Ardea, 503, and Icterus, 505 Pedicularis, most abundant Personatae in the Altai, 156n 2, 157-8 Pelargonium : Conditions affect fertility - cultivation, 400, water and temperature, 83 ; Flowers on same plant show correlated growth, 301 n 5 Pelidna, increases in U.S., 188 678