151 



Cyclotus portlandensis . . 1857, < -i . y 



pretiosus 1857, < ■, c_o 



pterocj'cloides .... 1854, 300 

 recliizianus 1853, 51 



ruber 1857, j J^ 



rudia-planusque . . 1857, < ■. r o 

 rufilabris 1857, ] -.eg 



rupis-fi-ontis 1857, ] -, c'c 



1144 



Beminudus 1857, < 145 



152 

 sordidus 1855, 103 



striosus 1857, I jgg 



143 



subrugosus 1857, < 145 



149 

 143 



suturalis 1857, \ 145 



(l49 



tubulifera 1853, 51 



(144 



varians 1857, \ 145 



(l49 



•westmorelandensis . 1857, ] -, cp 



zigzag 1857, j ^g^ 



Cyclura coUei 1849, 106 



lophoma 1848, 99 



( 1859, 206 



Cygnus atratus \ 1860, 258 



(i860, 416 



coscoroba 1860, 388 



ferus 1849, 28 



gambensis 1860, 42 



( 1859, 98 



nigi-icollis \ 1859, 206 



1 1860, 388 



Cylicbna carpenter! .... 1858, 543 



Cylichnidia cylicbna . . 1854, 206 



ovuliformis 1854, 206 



CylindreUa adamsiana . . 1851, 148 



apiostoma 1856, 322 



arctospii-a 1860, 139 



blandiana 1852, 68 



boucardi 1856, 321 



carinata 1852, 68 



ebordata 1855, 117 



clava 1856, 380 



cretacea 1860, 140 



eximia 1858, 23 



CylindreUa flammulata 



gbiesbregbtii 



gouldiana 



gTandis 



greyana 



macrostonia 



malleata 



menkeana 



mexicaua 



monilifera 



polygyi-a 



punctura 



salleana 



seminula 



sericea 



splendida 



turris 



zebrina 



Cylindropbis maciilata 

 Cylindrus erythrostoma 



nigeUus 



Cyllene concinna 



fuscata 



glabrata 



grana 



grayi 



lugubris 



lyrata 



orientalis 



owenii 



pallida 



pulcbella 



striata 



imimaculata 



Cymatium polygonum . 

 Cymba cymbium 



gracilis 



neptuni 



olla 



patula 



porcina 



proboscidalis 



rubiginosa 



tritonis 



Cymbilanius lineatus . 



Cymbiola ancilla 



beckii 



brasUiana 



colocyntbis 



ferussacii 



festiva 



magellanica 



mitis 



nivosa 



pacifica 



tuberculata 



1852, 

 1856, 

 1851, 

 1860, 

 1857, 

 1857, 

 1852, 

 1852, 

 1860, 

 1851, 

 1856, 

 1852, 

 1851, 

 1860, 

 1849, 

 1860, 

 1856, 

 1852, 

 1858, 

 1858, 

 1858, 

 1850, 

 1850, 

 1850, 

 1850, 

 1850, 

 1850, 

 1850, 

 1850, 

 1850, 

 1850, 

 1850, 

 1850, 

 1855, 

 1851, 

 1855, 

 1855, 

 1865, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 

 1854, 

 1858, 

 1858, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 

 1855, 



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111 



140 



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149 



410 



134 



139 



380 



68 



383 



42 



42 



205 



205 



206 



205 



205 



205 



205 



205 



205 



205 



205 



205 



123 



230 



52 



52 



62 



51 



52 



52 



52 



52 



52 



112 



65 



206 



67 



68 



57 



57 



68 



61 



57 



56 



66 



58 



58 



