INDEX. 
ABBREVIATIONS 
Acal., Acalephae. Ceph'd., Cephalopoda. Hel., Helminthes. Rhiz., Rhizopeda. 
‘Aceph., Acephala. Ceph’r., Cephalophora. Inf., Infusoria Rot., Rotatoria. 
Ann. ‘Annelides. Crus., Crustacea. Ins., Insecta. Turb., Turbellaria. 
“rach., Avachnoidae © BuA., Echinodermata. Pui. Polypi. 
N.B. The Numbers refer to the Paragraphs. 
ACALRPHAE, 53. 
ACEPHALA, 170. 
Aciculi, Ann. 145. 
Air cavjty or reservoir, Acal. 65. 
Ambulacra, Ech. 77, 91. 
Amputia, of Poli, Ech, 92. 
ANNELIDES, 142. 
Antennae, Ann. 149,132. 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. Hel. 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. 188. Ann, 158. Aceph. 198. Ceph’r. 
219. Ceph’d. 253. Crus. 285. Arach. 311. 
Ins. 341. 
rotatory. Rot. 133. 
sebaceous. Ins. 349. 
sericeous. Arach. 315. Ins. 347. 
suctorial, Hel. 103. Arach. 306. Tus. 
337, 338 
tentacular, Ech. 83. 
venomous. Arach. 315. Ins. 347, 349 
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. 68, Ceph’d. 256. 
Blood. Pol. 39,41. Hel. 110. Ann. 156. Aceph 
191. Ceph’r. 216. haa 251. Crus. 282, 
Arach. 309. Ins. 340 
Brain. Ann. 146, 147. Ceph’r. 206. Ceph’d. 240. 
Crus. 270. Arach. 300. Ins. 328. 
Branchiae. Ech, 89. Ann. 159, 160. Aceph. 
1938. 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. 
Cc. 
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. Amn. 154. Aceph. 189. UU» 
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. 285, 
Cell, lateral. Ceph d. 254. 
Cells, chromatophoric. Ceph’d. 238. 
hepatic. See Liver. 
vitelline. Hel.115. Turb. 129. 
