576 



SUBJECT-INDEX. 



382 ; gizzard development in birds, 

 2, 312; development in ruminants, 2, 

 314-6 ; differentiation of liver, 2, 316- 

 21 ; muscularity, 2, 355. 



Allotropism : of organic constituents, 1, 

 4, 9 ; muscular action, 1, 56. 



Alloys, melting point of, 1, 276. 



Alternation of generations (see Gamo- 

 genesis). 



Amoeba -. central development, 1, 134 ; 

 a primary aggregate, 2, 78 ; symmetry 

 of encysted. 2, 169 ; genesis, 2, 422. 



Ammonia : physical properties, 1, 6 ; 

 chemical properties, 1, 9 ; nerve stimu- 

 lant, 1, 52. 



Amphibia: classification of, 1, 308; 

 structure and media, 1, 395 ; segmen- 

 tation, 2, 109 ; outer tissues, 2, 293 ; 

 respiration, 2, 322, 326; Owen on 



.^skeleton, 2, 521, 526, 527. 

 ^.mphioxus : classification, 1, 362 ; em- 



\ bryonie development, 2, 108 ; genesis 



| of vertebrate axis, 2, 196-9, 199-201, 



LJJ05 ; development, 2, 533. 



Andbas scandens, the climbing fish, 1, 

 392, 394. 



Anacharis alsinastrum, individuality in, 

 /, 205. 



Anaesthetics, local and general effects, /, 

 52. 



Animals : nutrition and molecular re- 

 arrangement, 1, 33-35 ; nitrogeneous 

 character, 1, 37, 38 ; nitrogeneous food 

 of carnivorous, 1, 45 ; sensible motion, 

 1, 54 ; changes showing life, 1, 72 ; 

 length and complexity of life, 1, 84 ; 

 degree of life and environment, 1, 

 85-8 ; growth, 1, 108 ; organization 

 and size, 1, 11012 ; growth and 

 nutrition, 1, 112, 119-21, 122, 131 ; 

 and initial and final bulks, 1, 115, 127- 

 31, 132; and structiiral complexity, 1, 

 117-9,132; structure, temperature, and 

 self-mobility, 1, 145-50 ; functions, 1, 

 154-6, 306 ; functional and structural 

 differentiation, 1, 157-60 ; functional 

 differentiation and integration, 1, 

 161-4; functional specialization and 

 vicariousneds, 1, 165-6 ; waste in, 1, 

 .169-71, 176, 185; reparative power, 

 l t 175, 179-82; waste and activity, 

 1, 175-7 ; organic polarity and physio- 

 logical units, 1, 182-3, 253 ; modified 

 adaptability, 1, 188 ; stability of types, 

 f,199; what is an individual? 1,203; 

 heterogenesis, growth, and nutrition, 



1, 228-33, 235-7 ; homo- and betfiro- 

 genesis and natural selection, 1, 233-7; 

 general truths of heredity, 1, 238-41 ; 

 heredity and breeding, 1, 242, 252 j 

 functional alterations, structure and 

 heredity, 1, 246-52, 255 ; variation, /, 

 257 ; domestication and variation, 1, 

 261, 263 ; variation and adaptation, 

 1, 269 ; in-and-in breeding, 1, 282-4, 

 289 ; pure and mixed breeding, 1, 291 ; 

 classification, 1, 298-304 ; distribution 

 and migrations, 1, 312-7, 327 ; natural 

 barriers and distribution, 1, 317-20, 

 328, 388 ; distribution in time, 1, 320-7, 

 328 j special creation and parasitic, l t 

 342 ; evolution and classification, 1, 

 358, 359, 364, 471; rudimentary 

 organs in, 1, 386, 387, 472 ; evoluti- a 

 and varied media of, 1, 391-7, 401, 

 472; E. Darwin and Lamarck on 

 evolution of, 1, 402-10 ; solar influence, 

 1,412, 472; geologic changes affecting, 



1, 413-5, 464, 466,472; interdepen- 

 dence with plants, 1, 416-8, 426; 

 complexity of influences affecting, 1, 

 418 ; persistence of species, 1, 428 ; 

 defensive plant appliances, 1, 437 ; 

 direct equilibration, 1, 439-41, 442, 

 466, 474; natural selection and in- 

 direct equilibration, 1, 448-9, 466, 

 474 ; natural selection and equilibra- 

 tion, 1, 457-62, 474; importance of 

 natural selection 1 , 468 ; distribution 

 and age of plants and animals, 2, 280 ; 

 muscular colour, 2, 356-9 ; laws of 

 multiplication, 2, 391-6; rhythm in 

 numbers, 2, 399 ; law of weights and 

 dimensions, 2, 414 ; growth and asexual 

 genesis, 2, 422-6 ; growth and sexual 

 genesis, 2, 431-6 ; nutrition and genesis, 

 , 458. 



Annelida : phosphorescence, 1, 47 ; seg- 

 mentation, 2, 91-3 ; embryonic deve- 

 lopment, 2, 106; bilateral symmetry, 



2, 180-3 ; genesis, 2, 425, 433. 

 Annuloida : development, 1, 372 ; inte- 

 gration, 2, 94-7 ; symmetry, 2, 177-80| 

 genesis, 2, 425. 



Annulosa : axial development, 1, 136, 

 137 ; definition, 1, 307 ; classification, 

 1, 363 ; segmentation, 2, 91-3, 111 ; 

 integration, 2, 94-7, 108; unit and 

 aggregate, 2, 97 ; embryonic develop- 

 ment, *, 107 ; bilateral symmetry, 2, 

 180-3 ; symmetry of vertebrata, 2 t 

 186-9; segmental differentiation, 



