INDEX 



165 



Jelly-fish, reproductive in func- 

 tion in Hydroids, 118, 119 ; 

 lack of complexity, 6 ; artificial 

 production of twins and quad- 

 ruplets in, 69 



Jerboa, thigh-muscles, 87 



Kangaroo, size of, 87 



Keeble, 126 



Keller, Helen, 131 



Kite, used to bring lightning to 



earth, 66 

 Kubla, 153 

 Kupffer's vesicle, 150 



LeDantec, definition of indivi- 

 dual, 83 



Lichens, compound species, 122, 

 136, 158 



Limbo, 34 



Liriope, a jelly-fish, 69 



Liver Fluke, 22/, 23, 82 



Maitland, 143 



Malaria, 5 



Man, 148, 153, 157, 158; great 

 independence of, 6 ; and in- 

 dividuality, 31-35, 70; the 

 tool-maker, 13 ; communities 

 of, 65, 112, 143 



Materialism, errors of, 85 



Medusae, 118, 119 



" Merrimac" and " Monitor," first 

 armoured ships, 115 



Metamorphosis, 20 , 72-80; rea- 

 son of, 77-80 



Metazoa, and protozoa, 43, 44 ; 

 compound individuals, 36, 44 



Metschnikoff, and death, 20 n, 

 and disharmony, 152 



Microscope, 5 



Milton, and life before birth, 34 



Minoan dancers at bull-fights, 19 

 Monsters, double, 68 

 Mutations, and individuality, 80 



Nectarine, produced as bud-sport 



from peach, 82 

 Nelson, 115 

 Nemertine worms, metamorphosis 



in, 72-75, 79 

 Nero, 56 

 Nerve-cell, 137 

 Nervous system, 63 ; supposed 



basis of individuality, 83 

 Newt, regeneration of lost organs 



by, 46 ; artificial production of 



twins in, 69, 70 

 Nietzsche, 1, 9 

 Nucleus, 57 n, 59, 89 n, 147; in 



sexual process, 71, 80 



Organs, and individuals, 120 

 Ovum, 43, 157; erroneously sup- 

 posed to contain the potentiality 

 of only one individual, 67 ; 

 division of, into independent 

 parts, 67, 139 



Paramaecium, reproduction in, 17 

 Parasites, special environment 



of, 113, 127, 134 

 Particular, in philosophical sense, 



9 



Peaches, and bud-sports, 82 

 Peridineae, 109 

 Personality, definition, 30 ; and 



matter, 30 ; and individuality, 



34, 84 ; corporate, 143 

 Phagocytes, 78 

 Pilidium, strange metamorphosis 



of, 72-75, 79 

 Planaria, 144 

 Polyzoa, 119 n, 158 



