708 



INDEX. 



Pag. 



Spiiaxis physodes Sh. 33 476 



Richardi P. 34 476 



Salleana P. -16 472 



splendida Ant. 13 472 



streptostyla P. 24 474 



lurricula Migh. 3 470 



ventricosula Mor. 29.. 475 



Spirorbula Lowe 625 



Staurodon Lowe 529 



Stenopus Alb 22 



cruentatus B 68 



llvidus A 58 



Sterna Alb 23 



Streptaxis Gray VII 285 



aberrata Soul. 29 289 



albida P. 13 287 



alveus Dkr. 4 . 286 



Blandingiana Lea 286 



Candeana Pet. 14 287 



candida Spix 1 286 



comboides 0. 21 287 



contusa F. 9 286 



cryplodon Mor. 31 ... . 289 



Cumingiana P. 25 288 



deformis F. 15 287 



dejecta Pet. 22 287 



deplanata P. 12 287 



discus P. 30 289 



distorta Jon. 26 288 



Dunkeri P. 7 286 



Funcki P. 8 286 



glabra P. 20 287 



• Maugerae Gray 18.... 287 



nobllis Gray 5 286 



ovata P. 16 287 



Perrotteti Pet. 27 288 



Petiti Gould 19 287 



prostrata Gould 289 



pyriformis P. 28 289 



Reclusiana Pet 10.... 286 



rimata P. 6 286 



Souleyetiana Pet. 17.. 287 



Spixiana Alb 286 



streptodon Mor. 24 . . . 288 



subregularis P. 3 286 



Troberti Pet. 23 288 



uberiformis P. 11 287 



Wagneri P. 2 286 



Streptoslyla Shultl 469 



Strophia Alb 529 



Strophina Morch 563 



Stylodon Gray 22 



Subulina Gr. , Alb 478 



Succinea Drap. III 7 



Pag. 



Succinea abbreviata Mor. 9... 8 



acuta P. 2 8 



Aegyptiaca Ehr. 21 ... 11 



aequinoctialis 0. 79... 18 



affinis Reuss f 625 



amphibia Mke 14 



angustior Ad. 95 20 



aperta Lea 56 15 



appendlciilata P. 104.. 21 



arenaria Bouch. 8 . . . . 8 



aurea Lea 64 15 



australis F. 30 13 



avara Say 61 15 



Barbadensis Guild. 99. 21 



Bensoni P. 14 9 



Borneensis P. 19 11 



brevis Dkr. 70 17 



bullina F. 6 8 



caduca Migh. 31 13 



• campestris Say 57.... 15 



Candeana Lea 101.... 21 



canella Gould 32 13 



cepulla Gould 33 13 



Chi!oensis Phil. 82 19 



cingulata Forb. 72.... 17 



concisa Mor. 25 11 



concordialis Gould 67. 16 



contorta Ad. 93 20 



crassiuscula Bens. 12. 9 



crocala Gould 34 13 



Cumingi P. 90 20 



Cuvieri Guild. 98 21 



Delalandei P. 24 11 



depressa Rang 103.... 21 



Dominicensis P. 96 . . . 21 



— — Donneli P. 81 19 



effusa Shuttl. 73 17 



exarata Kr. 22 11 



explanata Gould 35... 13 



fragilis King 88 20 



-^— Soul 22 



■ fulgens Lea 20 



Gayana 0. 86 19 



Gouldiana P. 36 13 



gracilis Lea 20 11 



Groenlandica B. 91 . . . 20 



Guatemalensis Mor. 74 17 



Gundlachi P. 92* 624 



haliotidea Mitt. 100 . . . 21 



helicoidea Gould 27... 12 



■ hortulana Mor. 75.... 18 



humerosa Gould 37... 13 



imperialis Bens 13 



Indica P. 1 1 8 



