150 



Page 



Cyclostoma (Cyclosto- 



inus)microchasmal856, 338 



( ) principalis . . 1859, 27 



( ) sarcodes 1856, 339 



r ) sinuatum . . 1855, 104 



(Cyclotus) bogo- 



tense 1855, 117 



( ) dauciniun . . 1856, 337 



( ) glaucosto- 



mum 1855, 103 



( ) in-egailare . . 1855, 117 



( ) lindstedti . . 1856, 391 



( ) macgUlivrayi 1855, 103 



{ ) sordidum ." . 1855, 103 



(Leptopoma) barba- 



tuni 1855, 104 



( ) diiplicatum . 1856, 338 



I ) hanleyanum 1856, 384 



( ) signatum . . 1856, 338 



( — -) waUacei. . , . 1857, 112 

 (Opisthoporus) co- 



chinchinensis . . . 1856, 337 



( ) euryompha- 



lum 1856, 337 



(Otopoma) listeri . . 1859, 204 

 Cyclostomus annatonen- 



sis 1855, 105 



boivini 1856, 338 



fradatus 1854, 303 



ienerii 1854, 302 



levis 1855, 118 



microchasma 1856, 338 



parvispirus 1854, 128 



sarcodes 1856, 339 



sinuatus 1855, 105 



Cyclostrema angulata . . 1850, 44 



canceUata 1850, 41 



cingiilifera 1850, 43 



cobijensis 1850, 42 



elegans 1850, 44 



excavata 1856, 169 



graniilata 1853, 183 



micans 1850, 44 



nitida 1850, 43 



nivea 1850, 42 



octolirata 1856, 169 



pentegoniostoma . . 1856, 169 



plana 1850, 43 



planorbiila 1850, 43 



reeTiana 1860, 42 



■ spirula 1850, 42 



sulcata 1850, 44 



1 1851, 219 



Cyclothurus didactylus < 1856, 139 



1 1859, 450 



Cyclotus asperulus 1857, ] -.7^ 



bairdianus 1857, 145 



Cyclotus bairdianus 1857, 



beswicHi 1857, 



birostratus 1854, 



bogotensis 1855, 



cbinensis 1854, 



conicus , . 1860, 



corrugatior 1857, 



corrugatissimus. . . . 1857, 



corrugatus 1857, 



crassus 1857, ■ 



cycloatus 1857, 



daucinus 1856, 



deburgbaeanus .... 1857, 



dentistigmatus .... 1857, 



dubiosus 1857, 



duffianus 1857, 



gemma 1857, 



glaucostomus .... 1855, 



inutilis 1857, 



irregularis 1855, 



jamaicensis 1857, ■ 



jugosus 1857, 



lindstedti 1856, 



macgilliTrayi 1855, 



montanus 1854, 



nodosus 1857, 



notatus 1857, 



novae-spei 1857, 



novus-saltus 1857, 



pallescens 1857, 



parvus 1857, 



perpallidus 1857, 



