250 



INDEX 



Cellulose in animals, 66 

 Central nervous system of earth- 

 worm, 150 



Centrolecithal eggs, 182 

 Centrosomes in mitosis, 210 

 Cephalothorax of the lobster, 166 

 Chilomonas paramecium, 53; struc- 

 ture, 54; nutrition and reproduc- 

 tion, 56 

 Chittenden, enzymes in metabolism, 



4 1 



Chlorella vulgaris, symbiont, 96 

 Chlorogogue cells, 141 ; function, 145, 



147 



Chlorophyll of fern, 117; of Euglena, 



58 



Chloroplastids in Euglena, 57; of 

 fern, 117 



Chromogen, 120 



Chromosomes, 210 



Chromulina flavicans, double nutri- 

 tion, 66 



Cilia, definition, 23 



Ciliary movement, 23 



Claparede, calciferous glands, 140 



Cleavage in metazoa, 79 



Clitellum of the earthworm, 134 



Codosiga cymosa, 75 



Coelenterata, permanent gastrula 

 types, 82 



Coelom of the earthworm, 136 



Coelomic circulation, 146 



Colonies of protozoa, 58 



Colony-types of protozoa, 76 



Combault, calciferous glands, 140 



Commensalism, 193 



Complement, in side-chain theory, 



2OI 



Conformity to type, 207 

 Conjugation, in Paramecium, 72; 



details, 74 



Consciousness in lower metazoa, 93 

 Contractile vacuole of Amoeba, 47 

 Co-ordinating cells, 153 

 Copromonas subtilis, 56 

 Correns, genetics, 219 

 Crop and gizzard of the earthworm, 



140 



Cuticle of the earthworm, 138 

 Cyanophyll and xanthophyll, 118 

 Cycle of living matter and energy, 



121 



Cysticercids of Taenia, 192 

 Cytological evidence of sex, 225 

 Cytology, subject matter, 3 

 Cytoplasm, distinct from nucleus, 28 



D 



Darwin, calciferous glands, 140; evo- 

 lution, 205; Lumbricus castings, 

 132 



de Bary, 36 

 Dendy, 94 

 Denton, 14 



Derivatives of the germ layers, 161 

 Dermal musculature of the earth- 

 worm, 148 

 Development and metamorphosis, 



182 

 Development of the fern, 127; of the 



earthworm, 158; of the lobster, 



184 



de Vries, genetics, 219 

 Diapedesis, 196 

 Diastase, 40 

 Diblastic and triploblastic animals, 



83 

 Differentiations in animals and 



plants, 104-105 

 Digestive system of the earthworm, 



138; of the lobster, 172 

 Dileptus gigas, effects of starvation, 



IO 



Diploid number of chromosomes, 214 

 Division, method of reproduction, 13 

 Division of physiological labor, 28 

 Dobell, 56 



Dominant characters, 221 

 Dorsal pores of the earthworm, 147 

 Dorso- ventral differentiation, 135 

 Drosophila ampelophela, 230 

 Dujardin, use of term sarcode, 26 



Earthworm, structures and func- 

 tions, 130-161 

 Ecdysis or moulting, 184 

 Echinodermata, radial symmetry, 83 

 Ecology, subject matter, 3 

 Ectoderm, of Hydra, 83 

 Ehrlich, theory of immunity, 200 

 Embryology, of Hydra, 96; subject 



matter of, 2 



Encystment in Amoeba, 53 

 Endoderm, development, 80; of 



Hydra, 88 

 Endbenzymes, 41; in destructive 



metabolism, 50 

 Endomixis, 71 

 Endophragmal skeleton of lobster, 



167 

 Endoplasm and ectoplasm of 



Amoeba, 46 

 Endopodites of lobster appendages, 



168 



Endothelium, 146 

 Enteric differentiations in metazoa, 



92 



Enzyme action, 39 

 Enzymes, definition, 39 

 Eohippus, fossil horse, 234 

 Epidermis of fern rhizome, 113 



