Abeillei, 135. 
acerbulum, 225, 
Acicula, 303. 
Aciculacea, 303. 
acicularis, 304. 
Aciculidz, 303. 
Acme, 303. 
Acmea, 303. 
aculeosum, 114. 
acuminata, 268. 
acuminatum, 82. 
acuta, 289. 
acutimarginatum, 77. 
acutissima, 288. 
Adamsi, 175. 
Adamsiana, 244, 
Adamsiella, 118, 121. 
Adolfi, 117. 
adspersa, 260. 
affine, 156. 
affinis, 158, 301, 309. 
Agassizianum, 234. 
Agassizii, 183. 
agglutinans, 287. 
alata, 267. 
alatum, 117. 
Alcadia, 296, 301. 
Albersi, 28. 
albicans, 127. 
album, 11, 163. 
albus, 163. 
alternans, 66. 
altum, 93. 
alutaceum, 90. 
Alyezeus, 84. 
amabile, 113. 
amandum, 114. 
Ambeliana, 269, 272. 
Ambieliana, 273. 
ambigua, 115, 190. 
ambiguum, 191. 
Amboinense, 57. 
INDEX. 
Amboinensis, 57. 
ameena, 281. 
amcenum, 45. 
amcenus, 45. 
ampliata, 269. 
ampullina, 237. 
angulata, 291. 
angulifera, 27. 
anguliferum, 27. 
anguliferus, 27. 
Annularia, 35, 112. 
annulatum, 69. 
annulatus, 69. 
anomala, 105. 
anomalum, 105. 
Anthonianum, 232. 
Antillarum, 95, 275. 
antiquata, 99. 
Antoni, 273. 
Antrobranchia, 1. 
Aperostoma, 4, 20. 
Apie, 57. 
aplustre, 149. 
aplustris, 149. 
appendiculatum, 68. 
appendiculatus, 63. 
apricum, 213. 
aquila, 38. 
aquilum, 38. 
aratum, 18. 
aratus, 18. 
arenicola, 265. 
areola, 243. 
armata, 173. 
armatum, 173. 
Arthurii, 142. 
articulata, 134. 
articulatum, 120. 
articulatus, 134. 
asper, 149. 
asperulum, 10. 
asperulus, 10. 
asperum, 149. 
atramentarium, 41. 
atramentarius, 41. 
atricapillum, 81. 
Aubereanum, 203. 
Auberiana, 203. 
Auguste, 177. 
Aulopoma, 34. 
aurantia, 102, 263. 
aurantiaca, 41, 220. 
aurantiacum, 41, 171, 
220. 
aurantiacus, 41. 
aurantium, 158, 171. 
aurantius, 171. 
aurea, 100. 
aureola, 243. 
Auricella, 304. 
auriculare, 126, 
auriculata, 91. 
auriculatum, 89, 91. 
auritum, 212. 
auritus, 212. 
Aurora, 48, 174. 
australe, 228. 
avena, 180. 
azaolanum, 75. 
Banatica, 305. 
Bairdi, 63. 
Banksianum, 165. 
Banksianus, 165. 
Barclayanum, 141. 
Barclayanus, 140. 
Beardsleana, 311. 
Belangeri, 220. 
Bensoni, 41. 
beryllina, 256. 
Besckei, 294. 
biangulata, 295. 
bicanaliculata, 101. 
bicarinatum, 137. 
