INDEX. 



Acer trilobatutn, 507. 

 Achatina, 26, 138. 



biiUata, 138, 139. 



Californica, 26. 



fasciata, 137, 138. 



flainmigera, 138. 



gracilliina, 135, 138. 



lubrica, 137, 138. 



pellucida, 138, 175. 



pictn, 138. 



rosea, 139. 



— solida, 138. 



striata, 139, 141. 



subula, 139. 



Texasiana, 139, 141. 



truncata, 139, 141. 



Vanuxemensis, 139, 141. 



virginea, 138. 



Achelous spinimamis, 580, 581. 

 Acheta abbreviata, 427. 



exigua, 429. 



hospes, 430. 



nigra, 427, 428. 



■ servilis, 430. 



. tripunctata, 427. 



Aciculacea, 28, 152, 153, 184. 

 Acnantbes, 346. 

 Acridium, 466. 

 alutaceum, 466. 



americanum, 466. 



caroliiiiaiium, 468. 



carolinum, 468. 



femur-rubruin, 465. 



flavovittatum, 466. 



granulatum, 474. 



laterale, 477. 



obscurum, 467. 



ornatum, 474. 



rubiginosum, 467. 



rusticum, 466. 



sangiiinipes, 466. 



sulphureum, 470. 



JOURNAL B. S. N. H. 80 



Acridium torvum, 466. 



tuberculatum, 469. 



Acrydii, 454. 



Actajon heteroclita, 176. 



Actinaria, families of, 529; sub-order of, 

 529. 



Actinocrinidje, 497. 



Actinocrinus, 221, 223, 261,491, 492, 493 ; 

 Modifications of the 

 structure of the probos- 

 ces of, 489. 



sequalis, 234. 



ahitus, 263. 



brevicornis, 234. 



brevis, 234. 



clitoris, 275. 



Christyi, 234. 



claru?, 277. 



Clio, 262. 



clivosus, 274. 



cloelia, 266. 



coelatus, 234. 



corbulis, 265. 



corniculus, 234. 



cornigerus, 234. 



desideratus, 273. 



discoideus, 234. 



equibracbiatus, 263. 



excerptus, 276. 



fiscellus. 272. 



interiiodius, 278. 



Konincki, 234. 



leucosia, 261. 



limabrachiatus, 268. 



longirostris, 234. 



minor, 234. 



Missouriensis, 274. 



niultibracliiatu«, 234. 



multiradiatus, 234. 



opusculus, 264. 



oniatus, 234. 



pentagouus, 234. 



