SUBJECT-INDEX. 



(For this Index as it appeared in previous editions the Author is indebted to F. 

 HOWARD COLLINS, Esq., of Edgbaston, Birmingham. It has now been adjusted 

 to suit the present revised and enlarged edition.) 



ACACIA, foliar organs, II, 41, 264. 



Acalephw: environment, I, 105; 

 water in, I, 173. 



Acari: special creation and effects 

 of, I, 428; direct transformations, 

 I, 706; segmentation, II, 111. 



Acorus calamus, agamic propaga- 

 tion, I, 642. 



Acquired characters, inheritance 

 of: functionally-produced modi- 

 fications in plants and animals, 

 I, 307-13, 318, 526, 541, 562, 692- 

 5, II, 618-22; conceivability of, 

 on the hypothesis of physiologi- 

 cal units, I, 368-71, 695, II, 618- 

 22; diminution of jaw, I, 541-2, 

 693; current views on, I, 559-60; 

 cessation of selection, I, 560-3; 

 Elmer's theory of orthogenesis, 

 I, 5GO; species differentiation, I, 

 573; location of mammalian 

 testes, I, 573; tactual perceptive- 

 ness, I, 602-8, 633, 665, 666, 672-3, 

 692; blindness of cave-animals, I, 

 612-3, 647-9; coadaptation of co- 

 operative parts, I, 621, 663-5; 

 transmission of disease, I, 622-3; 

 hypothesis supported by telegony, 

 I, 624-8, 644-6, 649-50; views of 

 Darwin and neo-Darwinists, I, 

 t>30, 685, 690; why facts in sup- 

 port are meagre, I, 632; degrada- 

 tion of little toe, I, 652-3, 673; 

 neuter forms of social insects, I, 

 658-9, 663-4, 670, 675; degenerated 

 instinct in ants, I, 660-2; rudi- 

 mentary limbs of whale, I, 669, 

 692; importance of question, I, 

 672, 690; monstrous development 

 of honey-ants, I, 683-4; osteology 

 of Punjabis, I, 689; summary of 

 evidences in support, I, 692-5; 



genesis of vertebrate skull, II, 

 227; false joints, II, 371, 372; con- 

 ceivability of rival hypotheses, II, 

 618-22; adaptation to environment 

 in Aspergillus, II, 623. 



Acrogens, the term, II, 55-6. (See 

 Archegoniatcw.) 



Actinophrys: a primary aggregate, 

 II, 76, genesis, II, 452. 



Actinozoa: multiaxial development, 

 I, 166; waste and repair, I, 213, 

 219; differentiation, I, 391; para- 

 sitism, I, 397; integration, II, 92; 

 symmetry, II, 189, 192; growth 

 and genesis, II, 444. 



Activity: the principle of, the es- 

 sential element in Life, I, 113, 

 114, 122; not inherent in living 

 matter, I, 120; nutrition and gene- 

 sis, rfsum6, II, 497-9; and evolu- 

 tion, II, 501^. 



Adaptation: general truths, I, 227- 

 33, 233-5; botanical, I, 227; physio- 

 logical, I, 228-33; psychological, 

 I, 229, 230-3; structural, func- 

 tional, and interdependence, I, 

 235-9, 240-1, 318; social and or- 

 ganic stability, I, 240-2; resume, I, 

 242-3; to varied media, I, 479-81, 

 489, 556: multiplication of effects, 

 I, 512-3, 550; direct equilibration, 

 I, 522-3; natural selection and 

 equilibration, I, 530-5; non-adap- 

 tive specific characters, I, 565; 

 time required for effecting, I, 

 565-6; an obstacle to re-adapta- 

 tion, II, 11; of skin and skele- 

 ton, II, 215, 217; outer tissue, II, 

 312-4, 387; skin and mucous mem- 

 brane differentiation, II, 321-2; 

 389; vascular system, II, 343-4; 

 is, II, 352; muscular, II, 

 625 



