306 



INDEX. 



Butterfly, pupa, 89, 92. 

 skipper, 103. 

 sulphur, 36. 

 swallow-tail, 102. 



Cambarus, 111. 

 Cantharidin, 75. 

 Carapace, of crawfish, 144. 



of cyclops, 126. 



of turtle, 199. 

 Carolina locust, 48. 

 Catfish, 161. 

 Cell, 18. 

 Centiped, 109. 

 Cephalothorax, of crawfish, 114. 



of cyclops, 127. 



of spider, 108. 

 Chauliognathus, 77. 

 Chilopod, 109. 

 Chrysemys, 198. 

 Cicada, 59. 



Chloragogue cells, 137. 

 Circulation, demonstration of, 125, 



163, 179. 



Circulatory organs, of crustaceans, 

 119. 



of fish, 168. 



of frog, 182. 



of insects, 52. 



of mussel, 146. 



of rabbit, 246. 



of sparrow, 225. 



of starfish, 271. 



of turtle, 201, 202. 



of worm, 134. 

 Class, 128. 



Classification, 101, 127. 

 Clitellum, 133. 

 Ccelenterata, 22-33. 

 Coleoptera, 74, 79. 

 Colias. See Eurymus. 

 Collar of snail, 156. 

 Collecting insects, 34. 

 Colony, 69. 

 Columella, 188. See also Shell of 



snail. 

 Comb, 73. 



Condyle. See Skull. 

 Conjugation, 17. 

 Cranium. See Skull. 

 Crawfish, 111. 

 Cremaster, 89. 

 Crustaceans, 111-128. 

 Cyanide bottle, 35. 

 Cyclops, 126. 



Development, of blister beetle, 76. 



of bumblebee, 68. 



of cabbage butterfly, 88. 



of crawfish, 123. 



of dragon fly, 47. 



of fly, 83. 



of frog, 196. 



of grasshopper, 55. 



of mussel, 152. 



of snail, 157. 



of spider, 109. 



of sponge gemniules, 24. 



of turtle, 207. 



of wasp, 71, 73. 



of worm, 138. 

 Diaphragm, 244. 

 Differentiation, 25. 

 Digestive organs, of crawfish, 121. 



of fish, 167. 



of frog, 181. ' 



of insect, 53, 94. 



of mussel, 147. 



of rabbit, 245. 



of snake, 210. 



of sparrow, 223. 



of starfish, 270. 



of turtle, 202. 



of worm, 134. 

 Diplax, 42. 

 Diptera, 80, 86. 



Directions for preparation of ma- 

 terial for study, 278. 

 Dissosteira, 48. 

 Division of labor, 32. 

 Dorsal vessel, 52, 94. 

 Dragon fly, 42. 



Ear sac of mussel, 153. 

 Earthworm, 130. 

 Echinodermata, 266-273. 

 Ectoderm, 28. 

 Ectosarc, 13, 19. 

 Egg capsules, of snail, 160. 



of worm, 139. 

 Egg sacs, 127. 

 Embryology, 158, 160, 196. 

 Endoderm, 28. 

 Endosarc, 13, 19. 

 Endoskeleton, 122, 205. 

 Epicauta, 74. 

 Epiglottis, 243. 



Esophagus. See Digestive organs. 

 Eurymus, 36. 

 Eustachian tube, 180, 242. 

 Evolution, 264. 



