TEXT-BOOKS, GENERAL WORKS, ESSAYS. Gen. Sub. 57 
Darwinism ; Braasch (94), Dehnert (181), Pauly (622), A. R. Wallace 
( 851).—Darwinism and Neo-Lamarckism, Wettstein (874).—Moses or 
Darwin, Dodel (203). 
Mutation; De Vries (197), Moll (571), Weldon (869), White (879).— 
De Vriesian species, Cockerell (145). 
Palaeontology and organic evolution, Koken (442). 
Account of succession of life on the earth, Hutton (383). 
Factors of cerebral evolution, Ramon y Cajal (666). 
d. Variation:— 
Guyer (314), Wettstein (875). 
Change of function and ^etiological variation; second generation, Houssay 
(373). 
Nature of variation, Boas (80). 
Muscular variation, Huntington (381). 
Tables for calculation of numerous kinds of variation, Camerano (128). 
Variation and selection, Weldon (868). 
Variation and origin of species, Rosa (692). 
Variation and adaptation, Metampy, Bidder (76). 
Variation, symmetry, fertility, in abnormal species, Davenport (174). 
External conditions and variation of Artemia , Samter & Heymons (702). 
Correlation of variation with functions, Downing (207). 
Binary fission and variation, Simpson (742). 
Experiments on polymorphic males of Acari , Marucci (545). 
Recent work on variation in fishes, Redeke (667). 
Special cases.—Nerves in man, Bardeen (37).—In finger-muscles, 
Buhler (115).—Of skulls of Strix ; Neanderthal and Pithecanthropus 
skulls, Kleinschmidt (433).—In birds, Finn (237).—Variation and in¬ 
heritance, Cuckoo’s egg, Latter (468).—In egg of Passer , Pearson (624).— 
In reptilian Aorta, Hochstetter (364).—Bony plates of Zeus , Byrne 
(123).— Helix , measurements, Hensgen (342). 
e. Adaptation, Convergence, Environment:— 
Adaptation, Vosseler (842-844), Wettstein (873), Davenport (175). 
Homoplasy, Osborn (607).—Homoplasy, aquatic air-breathing verte¬ 
brates, WlLLISTON (887). 
Adaptation of eye to vision in water, Putter (659). 
Adaptation of marine forms to fresh water, Vaney & Conte (826), 
Gravier (307), Wesenberg-Lund (872). 
Environment, Dimon (202). 
Adaptation and selection, Kidd (426). 
f. Selection and Protection:— 
Natural selection, Wallace (851).—Selection and mimicry, Poulton 
(648). 
Direct and indirect selection, correlation, Pearson (628). 
Protection, natural selection, Thayer (794). 
Natural selection and colour-pattern, A. G. Mayer (552). 
Metabolism and the struggle for existence, Jickeli (402, 403). 
g. Ethology:— 
Yerkes (904).—Ethology, the term, Wheeler (878). 
Ecology, its orthography, Science xv, pp. 593, 594, 792, and Bather, 
t. c. pp. 747, 993. 
Ethology (Natural History), the study of, Dahl (161). 
Mutual aid, Kropotkin (456).—Symbiosis, Schwarze (732). 
Lake faunas, bionomics, F. A. Forel (249). 
