SUBJECT-INDEX. 



631 



Charles, R. H., on inheritance of 

 acquired modifications in leg- 

 bones of Punjabis, I, 080. 



Chati6, 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, 

 36-7, 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 1; 

 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. 



Chondrai ant Jnts gibbosus, enormous 

 development of reproductive sys 

 tem, II, 487. 



Chordata, affinities, I, 466. 



Chromatin (sec Cell). 



Circle, the, and evolution hypoth 

 esis, I, 433. 



Circulation (see Vascular System). 



Cirripcdia: 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, 237-40; reversion un 

 der original conditions, I, 240; the 

 analogy continued, il). ; the case 

 of bison s head, I, 512; natural se 

 lection an inadequate explana 

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

 on &quot; cessation of selection &quot; 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; 

 &quot; intra-selection &quot; examined, I, 

 C76-8. 



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, 240. 



