57G 



SUBJECT-INDEX. 



38*? ; gizjard development in birds, 

 ^, 312; developiiKMit m ruminants, $, 

 314-6; differenliation 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). 



Amceha: central development, 1, 134; 

 II primary aggregate, 2, 78 ; eymmeiry 

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



Ammonia : physical properties, i, 6 ; 

 clieuiical properties, 1, 9 ; nerve stimu- 

 lant, 1, 5i. 



Amphibia : classification of, 1, 308 ; 

 structure and media, 1, 395 ; segmen- 

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

 respiration, S, 322, 326; Owen on 

 skeleton, 2, 521, 526, 527. 



A Jiphioxus ; classiSuation, 1, 362 ; em- 

 bryonic development, f, 108 ; genesis 

 of vertebrate axis, g, 196-9, 199-i'Ol, 

 205 ; development, 2. 533. 



Anahas scandens, the climbing fish, 1, 

 392, 394. 



Anaeharis aZsiHas^y«m, individuality in, 

 1, 205. 



Anaesthetics, local and general effects, 1, 

 52. 



Animale: nutrition and molecular re- 

 arrangement, 1, 33-35; nitrogenoous 

 character, 1, 37, 38 ; nitro::eneous food 

 of carnivorous, i, 45 ; sensible motion, 

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

 length and complexity of Ufe, 1, 84 ; 

 degree of life and envii'onment, i, 

 85-8 ; growth, 1, 108 ; organization 

 and size, 1, 110-12 ; growth and 

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

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

 31, 132; and structuriil complexity,^, 

 117-9,132; structure, temperature, and 

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

 154-6, 306 ; functional and structural 

 differentiation, 1, 157-60 ; functional 

 differentiation and integration, 1, 

 161-4 ; functional specialization and 

 vicariousnesa, i, 165-6 ; waste m, i, 

 169-71, 176, 185 ; reparative power, 

 I, 175, 179-82 ; waste and activity, 

 /, 175-7; organic polarity and physio- 

 logical units, i, 18i-3, 253 ; modified 

 adaptability, i, 188; stability of types, 

 /,199; wliatis aniadividual? 2,203; 

 licterogeueiis, growtli, aud nutrition, 



1, 228-33, 233-7 ; homo- nnd hctfro- 

 genesis and natural selection, 1, 233-7; 

 general truths of heredity, 1, 238-41 ; 

 heredity and breeding, 1, 242, 252 ; 

 functional alterations, structure a-"ul 

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

 257 ; domeslicalion and variauon, i, 

 261, 263; variation and adaptation, 

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

 289 ; pure and mixed breeding, 1, 291 j 

 classification, 1, 2^8-304 ; distribution 

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

 barriers and distribution, 1, 317-20, 

 328, 388; distribution m time,i, 320-7, 

 328 ; special creation and pa.i'asitic, 1, 

 342 ; evolution and classification, i, 

 358, 359, 364, 471; rudimentary 

 organs in, 1, 386, 387, 472 ; evolutir n 

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

 472 ; E. Darwin and Lamarck on 

 evolution of,2, 402-10; solar infiuencc, 

 i,412, 472; geologic changes a+fcctiirg, 

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

 dence with plants, i, 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 ', 468 ; distribution 

 and age of plants and animals, S, 280 ; 

 muscular colour, 2, 356-9 ; laws of 

 multiplication, 2, 391-6 ; rhythm in 

 numbers, ^, 399 ; law of weights and 

 diJ n ensions, ;^, 414 ; growth and asexual 

 genesis, 2, 422-6 ; growtli and sexual 

 genesis, 2, 431-6 ; nutrition and geiiesisi 

 2, 458. 

 Annelida: phosphorescence, 1, 47; seg- 

 mentation, 2, 91-3; embryonic devo- 

 lopment, 2, 106; bilateral symmetry, 

 2, 180-3 ; genesis, 2, 425, 43'j. 

 Annuloida: development, i, 372 ; inte- 

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

 genesis, 2, 425. 

 Annulosa: axial development, 1, 136, 

 137 ; definition, 1, 307 ; classiiicatiou, 

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

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

 aggregate, 2. 97 ; embryonic develop- 

 ment, 2, 107; bilateral Byuinielrj, 2, 

 180-3; symmetry of vertibr.ita, 2, 

 186-9 i segmental differentiation, 



