164 



ANIMAL INDIVIDUALITY 



supposed to mark beginning of 



a new individual, 67, 72 

 Field-mouse and elephant, 86 

 Fission, in animals, 41 /, 42, 71 ; 



in protozoa, 67, 71 

 Flagellum, part of a cell, 90, 102 

 Flowers, and insects, 127 

 Fluke of liver-rot, 23 

 Franklin, B., experiment with 



kite, 66 

 Frog and tadpole, individuality 



in, 72, 75-78 

 Fungi, mode of feeding in, 122 



Gamete, definition, 45 

 Germ-cells, of Sponges, 92 ; of 



Volvox, 105 

 Gonium, 102, 153, 157 

 Growth, difficulties involved in, 



17 



Grub, metamorphosis of, 72 

 Gymnodinium, 109, 113 



Hand, relation with rest of body, 

 9, 10, 15 ; grasping function of, 

 12 



Haplozoon, 107-114, 138, 150, 

 157 



Helen Keller, 131 



Heterogeneity, of individuals, 10, 

 14, 28 



History, all-important in Biology, 

 32, 48 ; as a clue to individu- 

 ality, 48 



Hooker, Sir J., 141 



Huxley, J. S., 94 



Huxley, Prof. T. H., view of in- 

 dividuality, 72, 75, 76 



Hydra, 39 f, 40, 67, 118, 157, 158 



Hydractinia, 118, 120 



Hydroid polyps, 36-40, 47, 67, 

 75, 118 



Independence of the individual, 

 3 et seqq., 28, 130, 135 ; per- 

 fection of, 8, 28; progress of, 

 87 ; of cells, 97 



Individual, 125, 152, 154; certain 

 organisms naturally regarded 

 as individuals, 3 ; unconscious 

 use of word by average man, 3, 

 35; etymology, 3, 82, 83; 

 general definition of, 28 ; de- 

 finitions by other writers, 67, 

 83 ; heterogeneous, 10, 11 ; in- 

 dependent, 3 ; unified, 9, 11 ; 

 continuing, 15, 16, 20, 24, 127 ; 

 actual, 157; historical, 120, 

 157 ; degraded to an organ, 120; 

 man the most perfect, 70 ; 

 physical continuity of one in- 

 dividual with its offspring, 46 ; 

 the perfect, 7, 21 



Individuality, 62, 98, 125, 135, 

 142 ; general definition, 28 ; 

 tendencies and progress of, 28, 

 116; etymology of, 3, 82, 83; 

 various definitions of, 31, 67, 

 83, 85 ; its attributes, 3,'9, 10, 

 15, 28 ; compound, 98, 99 ; of 

 a species, 23-25, 82 ; spatial, 

 25; simultaneous, 25; tempor- 

 ary, 127; historical, 120, 157; 

 according to Bergson, 1 ; and 

 man, 31-35, 48, 70, 143; and 

 personality, 30, 34 ; in colonies, 

 36-40 ; and regeneration, 46- 

 47 ; and brain, 6, 29, 65, 83, 

 140; and sex, 67, 71, 72; and 

 metamorphosis, 72-80 ; and re- 

 production, 17, 18; and matter, 

 18, 29, 30, 146; and hetero- 

 geneity, 57, 99, 101 



Internal differentiation, 60, 136, 

 140 



