Register. 
Ceritliiiiiii li. 
abruptum Watson 263. 
adansoni Brug. 142. 
adansoni ßve. v. tuberculiferum 100. 
adenense ßve. 196. 
aduncum Gld. 186. 
aduncum Gld. v. dorsuosum 103. 
adustum Kien. 93. 
aedonium Wats. 265. 
afrum Dan. et Sandr. v. reticulatum 269. 
agnatus (Stromb.) Gmel. v. palustris 36. 
albiliratum Carp. 221. 
albivaricosum A. Ad. 281. 
albonodosum Carp. 102. 
albovittatum C. ß. Ad. v. minimum 253. 
album Hombr. v. echinatum 102. 
algicola C. B. Ad. 194. 
alternatum Sow. 191. 
altum ßve. 247. 
alucastrum Brocchi v. vulgatum 88. 
aluco L. 16. 
alucoides Oliv. v. vulgatum 88. 
alutaceum Gld. 236. 
ambiguum C. B. Ad. 188. 
amblyterum Wats. 203. 258. 
amboinense Wats. 260. 
anguliferum Sow. 139. 
angustissimum Fbs. v. reticulatum 269. 
augustum Ant. v. litteratum"141. 
angustum Desh. v. reticulatum 269. 
antillarum Dkr. v. uncinatum^! 64. 
arctum Hombr. v. lawleyanum 208. 
armatum Phil. 165. 
armillatum Carp. 281. 
articulatum Ad. et ßve. 53. 
asperulum Tryon v. asperum Pse. 198. 
asperum Desh. 209. 
asperum Gabb. 237. 
asperum Pse. 198. 
asperum Wats. 266. 
aterrimum Dkr. 137. 
atramentarium A. Ad. 137. 
atratum Born 192. 
atratum ßve. v. vulgatum 88. 
attenuatum Carp.^267. 
australe Gray v.fbicarinatum 155. 
australe Quoy 132. 
baeticum Pease 236. 
balteatum A. Ad. 177. 
balteatum Phil. 189. 
bermudae Sow. 130. 
bicarinatum Gray 154. 
bicolor Hombr. v. citrinum 111. 
bifasciatum Sow.” 114. 
37 * 
