IOT)EX TO SPECIFIC NAMES 



OF FIRST AND SECOND EDITIONS 



Act.Tcon chloroticus, 256. 

 Adeorbis costiilata, 278. 

 Admcte viridula, 391. 

 uEolis Bostoniensis, 241. 



dcspecta, 248. 



diversa, 247. 



gymnota, 249. 



Mananensis, 242. 



papulosa, 238. 



picta, 246. 



pilata, 243. 



purpurea, 246. 



rufibranchialis, 242. 



salmonacea, 240. 



stellata, 245. 

 Alasmodon. See Margaritana. 

 Alduria Harvardiensis, 254. 

 Alexia myosotis, 463. 

 Arnauropis lielicoides, 348. 

 Amicula Emersonii, 264. 

 Amnicola trranum, 294. 



lapidaria, 295. 



limosa, 293. 



pallida, 292. 

 Anatina papyracca, 66. 

 Ancula sulpiuirea, 233. 

 Ancylus fuscus, 502. 



parallelus, 501. 



riiutlaris, 501. 

 Anodon fluviatilis, 178. 



iuiplicata, 180. 



undulata, 182. 

 Anomia aculeata, 204. 



electrica, 205. 



ephippium, 204. 



squamula, 206. 

 Aphrodite Gni'nlandica, 144. 

 Aporrhais occidentalis, 320. 

 Apjjendicularia, 13. 



furcata, 13. 



longicauda, 13. 

 Area pexata, 147. 



transversa, 148. 

 Arion fuscus, 451. 



Ascidia, 23. 



amphora, 23. 



callosa, 26. 



carnea, 25. 



geometrica, 26. 



hirsuta, 20. 



Manhatteusis, 25. 



ocellata, 24. 



psammophora, 24. 



rugosa, 20. 



nistica, 23. 



tenella, 24. 

 Astarte Banksii, 125. 



castanea, 117. 



crebricostata, 126. 



elliptica, 124. 



lactea, 122. 



Portlandica, 127. 



quadrans, 123. 



semisnleata, 121. 



sulcata, 119. 

 Auricula bidentata, 466. 



denticulc.ta, 463. 



B. 



Bcla cancellata, 355. 



decussata, 354. 



harpularia, 352. 



pleurotomaria, 355. 



turrieula, 351. 



violacea, 353. 

 Bittium Greenii, 322. 



nio-rum, 321. 

 Boltenia Burkhardti, 16. 



clavata, 14. 



microcosmus, 16. 



reniformis, 14. 



rubra, 15. 

 Botryllus Schlosseri, 3. 



stellatus, 3. 

 Buccinum ciliatum, 368. 



cinereum, 370. 



Donovaui, 369. 



lunatum, 359. 



