SUBJECT-INDEX. 



645 



cies of formula, I, 112-3; activity 

 the essential element, I, 113; hy- 

 pothesis of independent vital 

 principle examined, I, 114-7; dif- 

 ficulties of physico-chemical the- 

 ory, I, 117-20; ultimate incompre- 

 hensibility, I, 120-3, 373: validity 

 of conclusions reached, I, 123; is 

 organization produced by? I, 107; 

 precedes organization, I, 210; 

 definitions of individuality and, I, 

 250; effect of incident forces on, 

 I, 348-9, 355: length in individuals 

 and species, I, 422; equilibration 

 of, I, 547, 557; final formulation 

 of definition, I, 580; co-ordination 

 of actions and sexual differentia- 

 tion, I, 593; " absolute " com- 

 mencement of, I, 699, 702; inte- 

 gration and augmentation, II, 

 426; prospective human, II, 522-5. 



Light: influence on organisms, I, 

 30-6, II, 433; nitrogenous plants, 

 I, 40; organic phosphorescence, I, 

 49; heliotropism, I, 92, II, 160; 

 effects on organic matter, I, 149; 

 plant adaptation, I, 227; rhyth- 

 mical variation of, and organic 

 life, I, 499, 557; vegetal influ- 

 ences, II, 130, 131, 147, 149, 158; 

 influence on flowers, II, 167-8, 

 608-11; vegetal tissue-differentia- 

 tion, II, 253-5, 258, 259; action on 

 leaves, II, 260-4 ; on plant vascular 

 system, II, 288, 297, 586; develop- 

 ment of sensory organs, II, 320. 



Liliaccw, floral symmetry, II, 170. 



Lime, leaf forms, II, 158, 159. 



Lindley, J., plant classification, I, 

 377. 



Linnaeus, C, classificatory system, 

 I, 377, 380. 



Linnet, contrasted with blackbird 

 in development, II, 503. 



Liver: metabolic processes, I, 69, 

 70; vitality of excised, I, 111; de- 

 velopment, II, 329-33. 



Liver-fluke (see Distoma). 



Liverworts (see Hepaticce). 



Lizard, regeneration of lost tail, I, 

 360, 



Locomotion (see Motion). 



Logic, reasoning and definition of 

 life, I, 81-6. 



Logwood, vegetal staining, II, 569- 

 74, 577-81, 584. 



Longevity, and complexity of life, 

 I, 102-3. 



Lubbock, Sir J.: on growth and 

 genesis in insects and crusta- 

 ceans, I, 292; aquatic flies, I, 400. 



Lungs (see Respiratory System). 



Lymphatic system: amoeboid cells, 

 I, 187; structural traits, I, 192, 

 193. 



MacBridb, E. W., I, vi, II, vi; 



zoological phyla, I, 386-7; arthro- 

 pod segmentation, II, 114; cteni- 

 dia of slug, II, 117; conjugation 

 of Paramecium, II, 452. 



Macrocystis pyrifera, gigantic sea- 

 weed, I, 121. 



Magenta, vegetal staining, II, 569- 

 74, 577-81, 584. 



Magnetism: muscular action, I, 59; 

 incomprehensibility, I, 121. 



Maillet, B. de, modifiability of or- 

 ganisms, I, 490, 496. 



Mammalia: temperature and mole- 

 cular change, I, 30; nutrition and 

 growth, I, 141; expenditure of 

 force, I, 142, 156; flesh constitu- 

 ents, I, 154; temperature, I, 174, 

 177; self-mobility, I, 175; func- 

 tional and structural differentia- 

 tion, I, 201; heart-function, I, 208; 

 viviparous homogenesis, I, 271; 

 variation and uterine environ- 

 ment, I, 327; classification, I, 392; 

 cervical vertebra?, I, 394, II, 564; 

 aquatic types, I, 400; fossil re- 

 mains and rate of evolution, I, 

 407; ancient and modern forms 

 contrasted, I, 408-10; embryonic 

 respiratory system, I, 456; sup- 

 pression of teeth, I, 457; arrested 

 development, I, 473^; simulated 

 homologies, I, 485; natural selec- 

 tion and inactive parts, I, 534; 

 re-development of rudimentary 

 organs, I, 563; location of testes 

 and current theories, I, 573; fer- 

 tility and development, I, 583, II, 

 465; fertility and nervous develop- 

 ment, I, 598-9; locomotion and 

 elongated form, II, 15; symmetry, 

 11,204; tegumentary structure, II, 



