I N 33 E X 



Abralia megalops, U3, 264, 285. 

 Alira lioica, 224, 278, 285. 



longicallis, 224, 278, 283, 285. 

 Acanella Normani, 410. 

 AcYis striata, 270. 



temiis, 270, 480. 



Walleri, 270. 

 Acirsa gracilis, 270. 

 Acrosoma, 297, 326. 



mitrata, 327. 



rugosa, 326. 



spinea, 326. 

 Action hebes, 428, 447. 



melampoides, 210, 273, 285. 



nitidus, 273, 283. 



pimcto-striatus, 467. 

 Acus protextus, 462. 

 Adtlisonia paradoxa, 256, 271. 



eccentros, 271. 

 Additions to the Shallow-water Mollusca 

 of Cape Hatteras, N. C, dredged by the 

 U. S. Fish Commission Steamer "Alba- 

 tross," in 1883 and 1884, 453-480. 

 Admete Couthouyi, 265, 282. 



nodosa, 419, 447. 



viridula, 265. 

 Agalena, 24. 



Alloposiis mollis, 247, 265, 282. 

 Amaurobius, 38. 

 Amphisphyra globosa, 273. 



pellucida, 273. 

 Amussium, 261, 281, 285, 480. 



fenestratum, 261. 



Hoskynsi, 261. 

 Anachis costulata, 252. 



Halia3eti, 252, 268, 479. 

 Anatomy of Lihinia emarginata Leach, 



the Spider Crab, 99-122. 

 Ancistrocheiriis megaptera. 399, 446. 



Yeranyi, 400. 

 Andrena, 389. 



Andrews, E. A., On the Anatomy of 

 Libinia emarginata Leach, the Spider 

 Crab, 99-122. 

 Anoraia aculeata, 282, 479. 

 Aporrhais occidentalis, 270, 283. 

 Area anrita, 440. 



Area petunculoides, 280, 285, 440. 



var. crenulata, 280. 



var. Frielei, 280. 



var. septentrionalis, 280. 



profundicola, 439. 

 Arctosa, 482. 

 Argiope, 328. 



riparia, 329. 



transversa, 330. 

 Argonauta argo, 247, 265. 

 Argyrodes, 7, 23. 



flctUium, 2, 24. 



trigonum, 2, 11, 23, 62. 

 Argyroepeira, 297, 331. 



hortorum, 332. 

 Ariamnes, 23. 

 Arpagita, 393. 

 Artemia, 89. 



Monica, 89. 

 Asagena, 7, 22. 



americana, 4, 23. 

 Assiminia Grayana, 253. 



modesta, 253. 

 Astarte castanea, 278, 479. 



crenata, 278, 479. 



(juadrans, 278. 



undata, 477. 

 Astyris diaphaua, 268. 



pura, 268, 282, 462. 



zonalis, 208, 479. 

 Atlanta bulimoides, 215. 



Gaudichaudii, 211, 274. 



inclinata, 211, 275,469. 



Lamanonii, 211, 275. 



Peronii, 274, 469. 



pulchella, 211,275. 



reticulata, 431. 



rosea, 211, 274. 



trochiformis, 214. 

 Atrotia gnomon, 234, 398, 445. 

 Aulonia, 498. 



aurantiaca, 499. 

 Avicula hirundo, 281. 



var. nitida, 281. 



squamulosa, 233, 281. 

 Axinopsis, 279, 283. 

 Axinus tortuosus, 226. 



