SUBJECT-INDEX. 



631 



Charles, R. H., on inheritance of 

 acquired modifications in leg- 

 hones of Tunjahis, I, 689. 



Chatie, on single and double stocks, 

 II, 622. 



Chemistry: properties of organic 

 elements, I, 3-5, 20, 22; of dia- 

 tomic compounds, I, 7-10; tria- 

 tomic, I, 10-12; polyatomic, I, 

 12-13, 25; traits of evolution, I, 

 23-4; ethereal undulations and 

 atomic oscillation, I, 31-6; chemi- 

 cal affinity and organic change, I, 

 3G-7, 38-43; oxidation and genera- 

 tion of heat, I, 46-9, 60; genera- 

 tion of nerve force, I, 52, 60; 

 metabolism, I, 62-77; physiology 

 and organic, I, 127; flesh constitu- 

 ents, I, 154; composition of or- 

 ganisms and environment, I, 173; 

 organic development and differen- 

 tial assimilation, I, 179-80; chemi- 

 cal units, I, 225, II, 612; primi- 

 tive ideas of elements, I, 41 i; 

 evolution of organic compounds, 



I, 696-701, 703. 



Chestnut, leaf symmetry, II, 149, 



153. 

 Chiton: simulation of segmentation, 



II, 116, 118; symmetry, II, 202. 

 Chlorophyll: function, I, 65, II, 



263; nutrition and absence of, II, 

 74; constitution, II, 262; symbi- 

 otic presence in animals, II, 400. 



Chondracanthus gibbosus, enormous 

 development of reproductive sys- 

 tem, II, 487. 



Chordata, affinities, I, 466. 



Chromatin (see Cell). 



Circle, the, and evolution hypoth- 

 esis, I, 433. 



Circulation (see Vascular System). 



Cirripedia: Darwin on retrograde 

 development, I, 458; remarkable 

 transformation in Sacculina, II, 

 494-5. 



Civilization, human evolution and 

 genesis, II, 529-31. 



Cladophora: integration, II, 25; 

 axial development, II, 28. 



Classification: subjective concep- 

 tion, I, 78; two purposes of, I, 

 374; a gradual process, I, 375; 

 botanical, I, 377-80, 389-90; zo- 



ological, I, 380-9; incomplete 

 equivalence of groups, I, 389, 

 445-6, 448, 555, 572; group at- 

 tributes, I, 390-3; the truths in- 

 terpreted, I, 393-4; ethnologic 

 and linguistic evolution, I, 441-6; 

 organic evolution, I, 443, 447, 

 555; differences in kind and de- 

 gree, I, 444-6; antecedent struc- 

 tural similarity, I, 447, 448-9; 

 Von Baer's formula, I, 451-4, 

 555; organic, not uniserial, II, 

 115. 



Classification of the Sciences, The, 

 and evolution and dissolution, II, 

 5. 



Claus, C, on segmentation in An- 

 nelids and Chsetopods, II, 605. 



Clover: flower and axial develop- 

 ment, II, 45; symmetry, II, 152. 



Co-adaptation of cooperative parts: 

 principles underlying, I, 234-5, 

 511-3, 514-5; slow operation of 

 the process, I, 236; sociological 

 analogy, I, 237^0; reversion un- 

 der original conditions, I, 240; the 

 analogy continued, ib. ; the case 

 of bison's head, I, 512; natural se- 

 lection an inadequate explana- 

 tion, I, 535, 614-21, 692; Romanes 

 on " cessation of selection " as 

 effecting, I, 560, 561-2; Weis- 

 mann's theories, I, 560-3, 663-5, 

 670, 674-5; natural selection and 

 economy of growth, I, 562; phy- 

 siological processes involved, I, 

 566-7; Wallace's argument from 

 artificial selection, I, 615; what 

 are cooperative parts? I, 616-7; 

 " intra-selection " examined, I, 

 676-8. 



Coal, social effects of supply, I, 

 238-9, 241. 



Cocoa-nut, growth and fertility, II, 

 457. 



Coccospheres: vital problem pre- 

 sented by protective structures, I, 

 119; imbricated plates, I, 182. 



Cockroach, ousting of European 

 species, I, 399. 



Cod: ova of, II, 435; growth and 

 fertility, II, 454. 



Codium: symmetry, II, 136; tissue 

 differentiation, II, 246. 



