INDEX. 



ABBREVIATIONS. 



Acal., Acalephae. 



Acep/i., Acephala. 

 Ann., Annelides. 

 Arack., Arachnoidae. 



CepK'd., Cephalopoda. 

 Ceph'r., Cephalophora. 

 Crus., Crustaxjea. 

 Ech., £chinodermata. 



Hel., Helminthes. 

 Inf., Infusoria. 

 Ins., Insecta. 

 Pol., Polypi. 



Rhiz., Rhizopoda. 

 Rot., Rotatoria. 

 Turb., TurbeUaria. 



N. B. The Numbers refer to the Paragraphs. 



A. 



Acalephae, 53. 



Acephala, 170. 



Aciculi, Ann. 145. 



Air cavity or reservoir, Acal. 65. 



Ambulacra, Ech. 77, 91. 



Ampulla, of Poli, Ech. 92. 



Annelides, 142. 



Antennae, Ann. 149, 162. Arach. 306. Ins. 332. 



Anus, Inf. 15. Ech. 82. Hel. 107. Rot. 136. 



Aceph. 188, 189. Ceph'r. 214. Ceph'd. 249. 



Crus. 279. Arach. 307. Ins. 338. 

 Apparatus, ceraceous, Ins. 347. 

 digestive. Inf. and Rhiz. 11. Pol. 35. 



Acal. 61. Ech. 82. Ilel. 106. Turb. 125. 



Rot. 136. Ann. 152. Aceph. 188. Ceph'r. 



213. Ceph'd. 248. Crus. 278. Arach. 306. 



Ins. 337. 



ejaculatory, of sperm. Ceph'd. 259. 



masticatory. Ech. 84. Hel. 108. Rot. 



136. Ann. 154. Ceph'r. 213. Ceph'd. 248. 



Crus. 279. Arach. 306. Ins. 337. 



mucous. Ins. 349. 



respiratory. Inf. and Rhiz. 18. Pol. 41. 



Acal. 63. Ech. 89. Hel. 112. Turb. 126. 



Rot. 138. Ann. 158. Aceph. 193. Ceph'r. 



219. Ceph'd. 253. Crus. 285. Arach. 311. 



Ins. 341. 



rotatory. Rot. 133. 



sebaceous. Ins. 349. 



Arach. 315. Ins. 347. 



Hel. 103. Arach. 306. Ins. 



Ech. 83. 



Arach. 315. Ins. 347, 349. 



sericeous. 



suctorial. 



337, 338. 



tentacular, 



venomous. _^„. 



Appendices, caecal. See Caecum 



cutaneous. Ann. 143. 



Arachnoidae, 295. 

 Arms. Aceph. 185. Ceph'd. 237, 

 Arolium. Arach. 299. Ins. 326. 

 Arteries. See Circulatory System. 

 Audition. See Auditive Organs. 



B. 



Balancers. Ins. 326. 



Bladders, natatory. Acal. 58. Ceph'd. 256. 



Blood. Pol. 39, 41. Hel. 110. Ann. 156. Aceph. 



191. Ceph'r. 216. Ceph'd. 251. Crus. 282. 



Arach. 309. Ins. 340. 

 Brain. Ann. 146, 147. Ceph'r. 206. Ceph'd. 240. 



Cms. 270. Arach. 300. Ins. 328. 

 Branchiae. Ech. 89. Ann. 159, 160. Aceph. 



193. Ceph'r. 220. Ceph'd. 253. Crus. 285. 



Arach. 312. Ins. 342. 

 Bristles. Ann. 145. Aceph. 185. 

 Bursa Needhami. Ceph'd. 259. 

 Byssus. Aceph. 179. 



C. 



Caecum. Ech. 85,86. Hel. 108. Ann. 154. Aceph. 

 189. Ceph'd. 249. Crus. 279. Arach. 307. 

 Ins. 338. 



Caeca, hepatic. See Liver. 



Calamistrum. Arach. 315. 



Canal, intestinal. Ann. 154. Aceph. 189. Ce- 

 ph'r. 214. Ceph'd. 249. Crus. 279. Arach. 

 307. Ins. 338. 



stony. Ech. 75. 



Canals, aquiferous. See Aquiferous System. 



lateral. Hel. 110. 



longitudinal. Hel. 111. 



Capsule, genital. Ceph'd. 260. 



egg. Ceph'd. 258. 



ovarian. Ceph'd. 258. 



Cardo. See Hinge. 



Cavity, branchial. Ceph'r. 220. 



incubatory. Crus. 292. 



pulsatile. Inf. 16. 



respiratory. Aceph. 194. Crus. 286. 



Cell, lateral. Ceph'd. 254. 



Cells, chromatophoric. Ceph'd. 233. 



hepatic. See Liver. 



viteUine. Hel. 115. Turb. 129. 



