SUBJECT-INDEX. 



651 



of growth and genesis, I, 299; 

 competition among parts of an or 

 ganism for, I, 562, 566, 676; sex 

 differentiation, I, 594-5; cell-mul 

 tiplication, I, 638; differentiation 

 of neuter insects, I, 655-60, 670, 

 674, 686-8; monstrous ant forms, 



I, 683^: leaf-development, II, 39, 

 42, 73-8; vegetal development, II, 

 51-2, 178, 276; axillary buds, II, 

 65-9, 73-4; effect on animal aggre 

 gation, II, 93; internodes and in 

 florescence, II, 178-80; helical 

 phaeuogamic growth, II, 181; ac 

 tion of bile, II, 330; osseous de 

 velopment, II, 349, 353; genesis, 



II, 419, 422, 427, 435-7, 452; par 

 ental loss in feeding young, II, 

 424, 429; diverse sources, II, 

 433; Carpenter on reproduction 

 and, II, 460; animal development 

 and genesis, II, 465; expenditure 

 and genesis, II, 468; variations of 

 genesis, II, 475-80, 511; obesity 

 and genesis, II, 480-4, 511; gen 

 eral doctrine of genesis, II, 486; 

 genesis and vegetal parasitism, 

 II, 486; also animal, II, 487-90, 

 495; insect genesis, II, 490-2: 

 genesis, resume,II, 497-9; and evo 

 lution, II, 501-4; of blackbird 

 and linnet, II, 503; genesis in 

 human race, II, 508-10, 514-6; 

 Doubleday on, II, 510-2; future 

 human evolution, II, 526, 531; flo 

 ral monstrosities, II, 542, 546, 547. 



OBESITY, nutrition and genesis, II, 



480-4, 511. 



Odoriferous glands, natural selec 

 tion and, I, 534. 

 Odours: floral fertilization, II, 268- 



9; animal protection, II, 434. 

 Offspring: parental loss entailed by 



nurture, II, 424, 429; influence of 



age on, II, 507. 

 Oken, L., archetypal hypothesis, II, 



122; theory of supernumerary 



bones, II, 223; on the skull, II, 



561. 

 Oliver, F. W., classification of 



plants, I, 378-9. 

 Ophi^yotrocha purrilis, ciliation of 



segments, II, 109. 



Orchids: pollen propulsion, I, 57; 

 leaf formation in Dcndrobium, II, 

 60-1; aerial roots and physiologi 

 cal differentiation, II, 255, 257; 

 foliar surface, II, 264. 



Organic matter: properties of ele 

 ments, I, 3-5, 22; of compounds, 

 I, 5-13, 25; molar and molecular 

 mobility, I, 12-14; colloid and 

 crystalloid form, I, 15-8, 25; 

 their diffusibility, I, 18-21, 26; ex 

 treme complexity, I, 21; laws of 

 evolution and genesis of, I, 22-4; 

 modifiability, I, 27, 44; capillarity 

 and osmosis, I, 28; effects of heat, 

 I, 29; of light, I, 30-4; nitrogen 

 ous, I, 39^43; oxidation and evo 

 lution of heat, I, 46, 60; genesis 

 of electricity, I, 50-2, 60; sensible 

 motions in, I, 59; transformations 

 and persistence of force, I, 61; 

 metabolism, 1, 62-77; artificial pro 

 duction of compounds, I, 64; con 

 trasted with inorganic matter, I, 

 107-8; incomprehensibility of vital 

 changes in, I, 122; instability, I, 

 149, 508; phosphorus in cell-or 

 ganization, I, 260-1; heteroge 

 neity, I, 350-5; &quot; spontaneous gen 

 eration &quot; and evolution of, I, 696- 

 701; cell-doctrine and evolution 

 of, II, 17-21. 



Organization (see Structure). 



Ormerod, Dr., on sex and nutrition 

 in wasps, I, 656. 



Orthogenesis, Eiuier s theory of, I, 

 563-4. 



Osmosis: organic effects, I, 28, 29; 

 in animals, I, 58; in vascular sys 

 tem, II, 339; in vegetal tissue, II, 

 568, 575, 577, 585, 592-6. 



Osteology (see Bone). 



Ovum (sec Egg and Fertilization). 



Owen, Sir R.: metagenesis and par 

 thenogenesis, I, 273-4; fossil 

 mammals, I, 410; human para 

 sites, I, 427; continuous operation 

 of creative power, I, 492; fission 

 in Infusoria, !, 584, 585, 595-6; 

 parthenogenesis, I, 592; theory of 

 vertebrate skeleton, II, 123, 548- 

 66; theory of supernumerary 

 bones, II, 223; Eschricht on 

 Ascaris, II, 488, 



