644 



SUBJECT-INDEX. 



Kidd, Ben;}., his acceptance of 

 Weismannism, I, 690. 



Kitto, Dr., his visual memory and 

 deafness, I, 230. 



Klebs, on Hydrodictyon, I, 288; Vau- 

 cheria, II, 84. 



Klein, E., multiplication of Bac- 

 teria, II, 443. 



Korschelt, E., annulose segmenta- 

 tion, II, 103, 601-3, 605; Arenicola 

 larvae, II, 109. 



Labour, physiological division of, 

 I, 204, 207, 591, II, 373; its. mean- 

 ing and Weismann's fallacious in- 

 terpretation, I, 634-5. 



Lacaze-Duthiers, on origin of annu- 

 lose type, II, 110. 



Lamarck: zoological classification, 



I, 382: opinions of E. Darwin 

 and, I, 491, 493-7; neo-Darwinists 

 and, I, 630-1. 



Laminariacew: pseudo-foliar and 

 axial development, II, 30; tissue, 



II, 247, 256, 272. 



Language: and evolution, I, 442, 

 444, 446; perceptiveness of tongue- 

 tip, I, 607. 



Lankester, Sir E. Ray, absence of 

 nucleus in Archerina, I, 183; di- 

 versity of Protozoa, ib.; zoological 

 classification, I, 387; blindness of 

 cave-animals, I, 647-8, 649. 



Laugh, definition of life and, I, 112. 



Laurel, leaves of, II, 149, 249. 



Leaves: growth of shoot, I, 168; de- 

 velopment and aggregation, II, 

 37-42, 76; stem-like stalks, II, 41; 

 homologies, II, 42, 75-7, 83; nu- 

 trition and compound, II, 42; 

 foliar and axial development, II, 

 46-50, 541-7; " adnate," II, 58; 

 proliferous growth, II, 67, 91; nu- 

 trition and development, II, 76-8; 

 symmetry, and of branches, II, 

 148-50, 151; size and distribution 

 of leaflets, II, 152-5; transition 

 from compound to simple, II, 155- 

 8; unsymmetrical form, II, 158- 

 9; natural selection and distribu- 

 tion, II, 179; morphological sum- 

 mary, II, 234-5; tissue differentia- 

 tion, II, 247; distribution, II, 249; 

 outer tissues of stem and, II, 



256-9, 270, 386; distribution of 

 stomata, II, 260-1; wax deposit 

 on, II, 260, 261; light and colour, 

 II, 261-2; superficial differentia- 

 tion, II, 263-5, 270, 387; abortive 

 in parasitic plants, II, 274; sub- 

 merged, in aquatic plants, II, 

 274-5; inner tissue differentiation, 

 II, 278, 388; vascular tissue dif- 

 ferentiation, II, 286, 288, 388; dye 

 absorption and circulation, II, 

 570^4, 577; vascular system, II, 

 588-92, 596; arrangement, II, 608- 

 11. 



Lcpidoptera (see Insects). 



Lcpidosiren: ossification, II, 218; 

 respiration, II, 338; skeleton, II, 

 553, 555, 560. 



Lcpidosteus: armour, I, 526; air 

 bladder, II, 334. 



Leroy-Beaulieu, Pierre, on Austra- 

 lian miners' usages, I, 364. 



Lessonia: Hooker on growth, II, 56; 

 branch symmetry, II, 146. 



Lewes, G. H., definition of life, I, 

 80. 



Lichens: tissue, I, 586; cell multi- 

 plication, II, 27; Hooker on 

 growth, II, 56; tubular structure, 

 II, 57; integration, II, 293; dual 

 nature, II, 399; reproduction, II, 

 450. 



Liebig, Baron, nitrogenous food 

 stuffs, I, 47-8. 



Life: co-ordination of actions, I, 

 79, 89, 577-^80; defined by Schell- 

 ing, I, 78, 178; Richeraud, I, 79; 

 De Blainville, I, 79, 93; Lewes, I, 

 80; definition yielded by contrast- 

 ing most unlike kinds, I, 81-8; 

 changes showing, I, 91; vital ac- 

 tions and environment, I, 92-3; 

 resulting addition to conception, 

 I, 93, 326; Comte's definition, I, 

 93; correspondence of external 

 and internal relations, I, 93-6, 

 100; II, 523; continuous adjust- 

 ment of such relations, I, 99; com- 

 pleteness proportionate to corre- 

 spondence, I, 101-4, 109, 349; 

 length and complexity, I, 103; 

 complexity of environment and 

 degree of, I, 104-6; definitions of 

 evolution and, I, 107-10; deficien- 



