340 



INDEX 



Conduction, 178. 



Conductivity, 56. 



Conjugation, 112, 113, 114: of chromo- 

 somes, 103 ; Pandorina, 94 ; Para- 

 mecium, 67, 68-71, 69*, 70*, 72, 73. 



Connective tissue, 101*, in. 



Conoid hairs, 246*, 248. 



Consciousness, 57. 



Continuity of germ plasm, 99*, 288- 

 289. 



Contractile theory of locomotion of 

 Ameba, 42-45. 



Contractile vacuole: Ameba, 37*, 39-41, 

 40*, 50 ; Chlamydomonas, 93 ; Eu- 

 glena, 81, 82, 83*; Paramecium, 60, 

 63-64*, 67, 68; Volwx, 97. 



Cope, E. D., 270. 



Copulation: Crayfish, 2i2*-2i3; Earth- 

 worm, 182-183*; Honeybee, 250-251. 



Copulatory organs of Honeybee, 239, 

 249*. 



Coral, 5, 139, 142-143. 



Corpuscles, 171, 202. 



Coxa, 236*. 



Coxopodite, 197, 198. 



Crab, 6, 143*, 225. 



Crayfish, 193-224, 276, 277, 306; adap- 

 tations, 282 ; anatomy, 194-211, 195*; 

 appendages, i95*-2oo, 196*; autotomy, 

 220-221; behavior, 221-224; breeding 

 habits, 211, 212*, 213*, 214*; circula- 

 tion, 203-204; digestive system, 195*, 

 200-201; embryology, 214, 215*, 216, 

 217*; excretory system, 205; muscu- 

 lar system^ 194*, 209*; nervous sys- 

 tem, 195*, 205; regeneration, 219*- 

 220; reproductive system, 209, 210*, 

 2ii*; respiratory system, 204; sense 

 organs, 205-208 ; vascular system, 201- 

 204. 



Crop, 1 68*, 169, 170. 



Cross pollination, 246, 262, 263*, 264. 



Crustacea, 125, 219, 225*, 226, 227, 229, 

 232. 



Crystal, 28. 



Crystalloid, 22. 



Ctenophora, 5, 7. 



Culex, 88, 92. 



Cuticle, 101 : Ascaris, 163 ; Crayfish, 

 194; Earthworm, 166*, 168; Euglena, 

 82, 83*; Honeybee, 234; Hydra, 119; 

 Paramecium, 59, 60*, 61. 



Cuvier, 270*. 



Cyclops, 125, 225*, 232. 



Cyclosis, 60*, 66. 



Cypripedium, 263*. 



Cypris, 299*. 



Cyst, 96: Ameba, 52; Euglena, 83*, 86 



87. 



Cytopharynx, 59, 66*. 

 Cytoplasm, 20*, 26, 27, 28. 



Darwin, Charles, 8, 262, 273-274*, 278, 

 293, 294, 295, 296. 



Death, 98. 



Deer, 300. 



Dellinger, O. P., 43, 45. 



Dermal epithelium, 146, 151*. 



Dermal pores, 152. 



Determinant, 288. 



Devilfish, 6. 



Diaphragm, 242, 244*. 



Diastase, 170. 



Diatom, 46. 



Didinium, 63*. 



Digestion, 13, 14, 46; extracellular, 127; 

 intracellular, 127: Ameba, 49; Cray- 

 fish, 201; Earthworm, 170; Grantia, 

 148; Honeybee, 240; Hydra, 127; 

 Paramecium, 67. 



Digestive gland, 201. 



Digestive system: Ascaris, 160-161*; 

 Crayfish, 195*, 200-201 ; Earthworm, 

 168*, 169-170; Honeybee, 240, 241*, 

 242 : Planaria, 154*, 155, 158. 



Dioecious, 209. 



Diploblastic, 4, 5, 7, no, 159. 



Diplopoda, 227. 



Direct cell division, 29, 32-33*. 



Discontinuous distribution, 278-279. 



Discontinuous variation, 281. 



Diseases of bees, 259. 



Dispersion, 277-278. 



Dissimilation, 46, 49-50, 67. 



Distal, 117. 



Distribution of animals: in space, 275- 

 279; in time, 279-280*. 



Dorsal, 59; abdominal artery, 195*, 

 203; bloodvessel, 168, 173, 241*, 242; 

 pore, 1 68. 



Drone honeybee, 231*, 234, 254; cell, 



255*. 



Dujardin, 19. 

 Dysentery, amebic, 82 ; of bees, 259, 



