244 



INDEX 



Central nervous system of earth- 

 worm, 146 



Centrolecithal eggs, 178 

 Centrosomes in mitosis, 205 

 Cephalothorax of the lobster, 162 

 Chilomonas paramecium, 52; struc- 

 ture, 53; nutrition and reproduc- 

 tion, 55 

 Chittenden, enzymes in metabolism, 



42 



Chlorella vulgaris, symbiont, 94 

 Chlorogogue cells, 135; function, 143 

 Chlorophyll of fern, 115; of Euglena, 



57 



Chloroplastids in Euglena, 56 



Chromoplastids and chloroplastids 

 of fern, 115 



Chromosomes, 205 



Chromulina flavicans, double nutri- 

 tion, 65 



Cilia, definition, 23 



Ciliary movement, 23 



Claparede, calciferous glands, 137 



Cleavage in metazoa, 77 



Clitellum of the earthworm, 131 



Codosiga cymosa, 75 



Coelenterata, permanent gastrula 

 types, 80 



Coelom of the earthworm, 133 



Coelomic circulation, 142 



Colonies of protozoa, 58 



Colony types of protozoa, 74 



Combault, calciferous glands, 137 



Commensalism, 189 



Complement, in side-chain theory, 

 197 



Conformity to type, 202 



Conjugation, in Paramecium, 70; 

 details, 72 



Consciousness in lower metozoa, 91 



Contractile vacuole of Amoeba, 46 



Co-ordinating cells, 149 



Copromonas subtilis, 54 



Correns, genetics, 214 



Crop and gizzard of the earthworm, 



137 



Cuticle of the earthworm, 133 

 Cyanophyll and xanthophyll, 116 

 Cycle of living matter and energy, 



118 



Cystecercids of Taenia, 188 

 Cytological evidence of sex, 220 

 Cytology, subject matter, 3 

 Cytoplasm, distinct from nucleus, 28 



D 



Darwin, calciferous glands, 137; evo- 

 lution, 200; Lumbricus castings, 

 129 



de Bary, 39 

 Dendy, 92 

 Denton, 14 



Derivatives of the germ layers, 157 

 Dermal musculature of the earth- 

 worm, 144 

 Development and metamorphosis, 



178 

 Development of the fern, 124; of the 



earthworm, 155; of the lobster, 



1 80 



de Vries, genetics, 214 

 Diapedesis, 192 

 Diblastic and triploblastic animals, 



81 

 Differentiations in animals and 



plants, 107 

 Digestive system of the earthworm, 



133; of the lobster, 168 

 Dileptus gigas, effects of starvation, 



10 



Diploid number of chromosomes, 209 

 Division, method of reproduction, 13 

 Division of physiological labor, 28 

 Dobell, 54 



Dominant characters, 216 

 Dorsal pores of the earthworm, 



144 



Dorso- ventral differentiation, 131 

 Drosophila ampelophela, 225 

 Dujardin, use of term sarcode, 26 



E 



Earthworm, structures and func- 

 tions, 128-157 



Ecdysis or moulting, 180 



Echinodermata, radial symmetry, 81 



Ecology, subject matter, 3 



Ectoderm, of Hydra, 81; develop- 

 ment, 78 



Ehrlich, theory of immunity, 196 



Embryology, of Hydra, 94; subject 

 matter of, 2 



Encystment in Amoeba, 52 



Endoderm, development, 78; of 

 Hydra, 86 



Endoenzymes, 37; in destructive 

 metabolism, 42 



Endophragmal skeleton of lobster, 

 163 



Endoplasm and ectoplasm of 

 Amoeba, 45 



Endopodites of lobster appendages, 

 164 



Enteric differentiations in metazoa, 

 90 



Enzyme action, in fecundation, 41; 

 in general, 40 



Enzymes, definition, 34 



