Bulletin American Museum of Natural History [Vol. LIII 
INTER Matter Pe eh veld ehh Bk Denes a Se Pe pees ee 
IP LAIR LPOR RL Bea eta CP we Ma ei Pl Ons Bie tee een ae 
Neritina anaanele CD Be ERs Sah yy ar 
delcv cu Sluubai se Wawro w ee gate Oly amie g Ona att pac ete Nee re kay ear a ne 
Cpdrneenid esi Giek Wako ¢ arses Geena RP ar Ss t5 sx 4 
Pectinibranchiata Teenioglossa. .......... Rm Solon « 
PesuOu OLN bey Ife Mena aetna GnteRey NUNPUL re rari ok ty toe fae 
oe Ue oh Gas edie suas eae OG Ro ee so 
Lanisies Denys de Monthort.. 22.2.5 .66 2 bee dee eees 
NVA CECE aa nu tialidtw oma emit ane alae iM Hao e kk wo oe > 
Vwiparus Denys de Montfiort.........0.....++..- 
IN Got EG, hae ee oe REG ee se ses 
er 5 Du (GD 70 [oe Pemieed SAI Re ian Oe wk Ben gra Co ange ga a SO 
Bulimine. . ss eee ee 
Bidinnis Scopolt BAAS a i ce A delay et 
Mysorella (dint ane ee tree ete Ss 
Amnicoline....... SED it Cae ent et gaa Oya ec a 
Lobogenes Pilsbry and Bequaert................. 
er MONO Pareles ae Net ete try rena BL vay ae a see: gf a wo oo 
SUrmolone es UGA, TOI Sis oly Grea keke ke es ees » 
MCCUE OUVEUIOIG batik k Sp ws evicpre wala ee ae es 
Niele WORE ROM OETE ieee LR ail ya See ee 
AACE IMC ni ens CNet etn ah ena AV SiGe a's clog os a 
Synceride. . ae ny aa ha cake ahaa Pa RMA hy St 
Symncera Gray. MOISES on RE © Sis oa tee 2 ee 
Valvatide. . 
Likcoriee. aeeati 
Peoudaorebild Tbauemeahete.. 
Cerithiidze 
POM CES ALOU TIAL Gon pe0 5 ae aaee ke Sake ya ae + + 
Melaniide. . 
Ce 
eoeeo®oseSe Gs 0 oe ere7e7 ee ee ee ee eM ew we eM ew ee hee ee ew 
7 2ee@ete ee ec eo ee we ee we ew ew ee ee ee ee 8 
Pachymelania BE. A. Smith 
Potadomine. . ae é 
Pah: anidsar, ones Ose en a oa rr 
SUBFAMILY UNCERTAIN 
CG Cle pare is geek ocd ees 
Thalassoid Melaniide of Lake Tanganyika 
Wonpawea (Wises I hoe ok. 
CC MOON ONTO UIE he. ve sasen oa edu G won es 
Bageed rouneienen ah eye ho es hve kus 
Reymondia Bourguignat........ 
Bridouxia pened 
Spekia Bourguignat... 
Tiphobia BE. A. Sraithe Rh Mera ir car een 
Bathanalia J. E. 8. Nipere aie tec (20. oe a 
e@eeree oe ec ee we eo ew ew we ew we we @ 
@eeenee ee © © © © © © © © ew ee ew eM ew ew eM 
