382 



INDEX. 



271 ; valve, 271 ; venous sinus, 282 ; 

 ventricle, 281, 282, 293; (see alsn 

 Lamellibraneh). 



Antenna of Crab, 177, 181, 184, 185, 

 189 ; of Megalops, 217, 218 ; of Zoea, 

 210,211; of Cyclops, 225,227,230; 

 of Grasshopper, 243; of Nauplius, 

 235. 



Antennarj' gland of Crab, 204 ; fossa of 

 Grassliopper, 243 ; somite of Crab, 

 169; steruum of Crab, 183. 



Antennules of Crab, 169, 177, 181, 182, 

 184; of Megalops, 217, 218; of Zoea, 

 210. 



Anterior ray of Starfish, 57. 



Anus of Anodouta, 274, 284; of Crab, 

 174; of Crayfish, 187; of Earth- 

 worm, 141 ; of Grasshopper, 253, 262 ; 

 of Lamellibraneh embryo, 329; of 

 Leech, 175; of Lobster, 187; of 

 ParamcEcium, 11 ; of Sea Urchin, 85; 

 of Squid, 339; of Starfish, 65; of 

 Vorticclla, 19; of Zoea, 209. 



Aorta of Anodonta, 281 ; of Squid, 

 345, 347. 



Apodemata of Crab, 181; of Grass- 

 hopper, 264. 



Appendage of Crab, 175, 178, 182, 183 ; 

 of Cyclops, 227 ; of Nauplius, 236. 



Aristotle's Lantern, 93, 95, 96 ; muscles 

 of, 97, 98. 



Arms of Squid, 333, 336, 337, 369. 



Auditory ganglion of Grasshopper, 266 ; 

 hairs of Crab, 206; nerve of Grass- 

 hopper, 265; nerve of Squid, 363; 

 rods of Squid, 268 ; organ of Crab, 

 182, 206, 221; organ of lamelli- 

 braneh embryo, 329; organ of Lob- 

 ster, 190, 223; organ of Grasshop- 

 per, 264; spindles of Grasshopper, 

 organ of Hydro Medusa, 55; organ 

 of Squid, 363,372. 



Auricle of Anodonta, 281, 282, 293. 



Auricula" of Sea Urchin, 90, 98. 



Basipodite of Crab, 176. 



Beak of Squid, 333, 348. 355. 



Bile duct of Anodonta, 296. 



Bipinnaria, 130. 



Bivium, 58. 



Blastoderm of Squid, 365. 



Blastostyle, 49. 



Blood of Earthworm, 146. 



Blood-vessels of Earthworm, 143, 145 ; 

 of Crab, 165; of Starfish, 71, 77. 



Body cavity of Anodonta, 286, 287, 

 289, 290, 293 ; of Hydroid, 33. 



Bojanus' organ, 281, 282, 290, 293, 294, 

 295, 329. 



Bi'achiolaria, 130. 



Brain of Leech, 167, 

 . Brain of Eartliworm, 146. 



Brain of Crab, 205. 



Branchial area, 170; artery of Squid, 

 340, 343 ; chamber of Ano'donta, 274, 

 288, 291 ; chamber of Crab, 193 ; cur- 

 rent of Anodonta, 272 ; heart of 

 Squid, 340, 343, 372 ; siphon of Ano- 

 donta, 272; slit of Anodonta, 277; 

 vein of Squid, 340, 345. 



Branchiostegite, 188. 



Buccal body of Squid, 348, 354. 



Buccal pouch of Leech, 163, 164. 



Bud-medusa, 50. 



Budding in Hydroids, 35 ; in Sponge, 

 25. 



Byssus of Anodonta, 331. 



Campanularian Hydroid, vi, viii. 



Carapace of Crab, 169, 184 ; of Cray- 

 fish, 185 ; of Cyclops, 225 ; of Lob- 

 ster, 185 ; of Megalops, 217 ; of Zo- 

 ea, 207. 



Cardiac area, 170 ; pouch, 200. 



Cardo, 246. 



Carpopodite, 176. 



Cement of Spermatophoi-e, 233. 



Cephalic area, 170. 



Cephalothorax of Cyclops, 225; of 

 Crayfish, 185 ; of Lobster, 185. 



Ccrcus, 252. 



Cerebral ganglia of Crab, 205; of 

 Earthworm, 146 ; of Leech, 167. 



Cervical suture of Lobster, 185. 



Chela, 177. 



Chromatophore, 334, 373, 379. 



