INDEX 



369 



Carotid arteries, 195 



Carpal bones, 180 



Cartilage, 174 ; bone, 174 ; Meckel's, 

 176 



Caudata, 157 



Cell, 3-17 



Cell division, 14 ; Amoeba, 25 ; Bi- 

 nary fission, 25 ; Euglena, 31 ; Mi- 

 totic, laboratory, 357 ; Parame- 

 cium, 44; Vorticella, 50 (see 

 Cleavage, Mitosis) 



Cell groups, Pleurococcus, 11 



Cell sap, 5 



Cell vacuole, 5 



Cells, absorptive, 86; basal, 216 

 blood, 88, 193; bone, 174; cili- 

 ated, 17, 143, 145 ; cnidoblasts, 60 

 connective tissue, 172 ; endoderm 

 58, 86; epidermal, 84; epithelial 

 167 ; epithelio-muscular, 60, 61 

 fibroblasts, 173 ; germinal, 64 

 204, 205, 222, 232, 236 ; gland, 86 

 interstitial, 60, 61, 216; muscle 

 17, 171 ; nerve, 58, 61, 70, 96, 214 

 nerve, motor, 61, 97; nerve, sen 

 sory, 61, 97, 215; olfactory, 216 

 osteoblasts, 174 



Cellular organization, 3 



Cellulose, 6, 150 



Central canal, 210, 211 



Central nervous system (see Nervous 

 system) 



Centrosome, 5 ; of sperm, 205 



Centrum, 178 



Cephalochordata, 152 



Cephalothorax, Crayfish, 99 



Cerebellum, 209 



Cerebral commissure, 147 



Cerebral ganglion, Crayfish, 110; 

 Earthworm, 95 ; Grasshopper, 123 ; 

 Honey Bee, 133 



Cerebral hemispheres, 209 



Cerebro-pedal connective, 147 



Cerebro-pleural ganglia, 147 



Cerebro-visceral connective, 148 



Cerebrum, 209 



Cetacea, 162 



Chaetodon, 53 



Chambers, of eye, 220 



Chela, 102 



Chiasma, optic, 210, 211 



Chick, development, 232-236; lab- 

 oratory, 363-365 



Chiroptera, 161 



Chloragogen layer, 86 



Chlorella vulgaris, 62 



Chlorohydra, 62 



Chlorophyll, 9-11, 30 



Chloroplastids, 5 ; movements, in 

 Elodea, 12; Pleurococcus, 11; 

 Spirogyra, 11 ; Vol vox, 36 



Choanocytes, 54 



Chordata, 149-152; Cephalochordata, 

 152 ; Hemichordata, 150 ; Urochor- 

 data, 150 ; Vertebrata, 152 



Choroid layer, 219 



Chromatin, 6, 14 



Chromatophores, Euglena, 30 



Chromosomes, 6 



Cilia, 16; gills, Clam, 145; Para- 

 mecium, 39, 40, 42, 43 ; Vorticella, 

 48, 49 



Ciliary muscles, 220 



Ciliates, 41 (see Infusoria, Parame- 

 cium, Vorticella) 



Ciona, 141 



Circular canal, 70 



Circular muscles, 85, 86 



Circulation, coelomic, 90 (see Vas- 

 cular system) 



Circulatory system (see Vascular 

 system) 



Circumpharyngeal connectives, 95 



Clam, description of, 139-148 ; labo- 

 ratory, 305 ; organ systems, 140 ; 

 structure, 139 



Class, 27 



Classification, basis of, 26 



Clavicle, 180 



Cleavage, of egg, Earthworm, 94 ; 

 Frog, 222 ; Hen, 233 ; holoblastic, 

 224, 233, 237; Mammal, 237; 

 meroblastic, 233 (see Cell division, 

 Mitosis) 



Clitellum, 82, 93 



Cloaca, 184, 202 



Cnidocil, 60 



Cocci, 13 



Coccyx, 178 



Cochlea, 218 



Cocoon, Bee, 132 ; Silk Worm, 138 



Coelenterates, Hydra, 58; Obelia, 

 68 



Coelom, Clam, 139, 146 ; Earthworm, 

 84; Frog, 182, 229; Starfish, 76 



Coenosarc, 68, 69, 71 



