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, 197; 

 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; &quot; absolute &quot; com 

 mencement of, I, 699, 702; inte 

 gration and augmentation, II, 

 420; 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, 1G7-8, 

 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. 



Liliaccce, floral symmetry, II, 170. 



Lime, leaf forms, II, 158, 159. 



Lindley, J., plant classification, I, 

 377. 



Linnreus, 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-fhike (see Distomn). 



Liverworts (see Hepatictt). 



Lizard, regeneration of lost tail, I, 

 3(50. 



Locomotion (sre 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. 



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



zoological phyla, I, 386-7; arthro 

 pod segmentation, II, 114; cteni- 

 dia of slug, II, 117; conjugation 

 of Paramacium, 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, 206; 

 viviparous homogenesis, I, 271; 

 variation and uterine environ 

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

 cervical vertebrae, 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, 473-4; 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; tegumeutary structure, II, 



