AMPULLARIA. 



Species 11. (Mus. Cuming.) 



Ampullaria adusta. Amp. testa globoso-turhinatd, 

 spird mediocri, suturd canaliculatd, anfraciibus ro- 

 tundatu, lavigaik ; mnbilico suhamplo ; aperturd 

 ovatd ; Ittlescente-mridi, fasciis saturate olivaeeis un- 

 dique citiffulatd. 



The adust Ampullaria. Shell globosely turbinated, 

 spire middling, suture clianneUed, whorls rounded, 

 smooth ; umbilicus rather large ; aperture ovate ; 

 yellowish-green, encircled throughout with dark olive 

 bands. 



IM. ? 



A rich dark-banded species, with channelled suture, of 

 globose form, ])robably from Borneo. 



Species 12. (Mus. Cuming.) 



Ampullaria pilula. Amp. testd globosd, spira brevi, 

 subimmersd, anfraciibus convexis, tumidis, siiperne de- 

 presse rottmdaiis, leevigatis ; mnbilico parviusculo ; 

 aperturd ovatd; luteseente-viridi, olivaceo fasciatd et 

 nubeculatd. 



The ball Ampullaria. Shell globose, spire short, ra- 

 ther ilnmersed whorls convex, swollen, depressly 

 rounded at the upper part, smooth ; umbilicus rather 

 small ; aperture ovate ; yellowish-green, banded and 

 clouded with olive. 



Eab. Borneo. 



Of the same typical charactei- as the preceding species, 



rounder, with the spire shorter and slightly immersed. 



Species 13. (Mus. Cuming.) 



Ampullaria megastoma. Amp. testd globoso-ventri- 

 cosd, Naticaformi, spird plano-immersd, anfraciibus 

 convexis, tumidis, spiraliier obscure funieulatis, ru- 

 gose ; mnbilico obiecto ; aperinrd perampld, liinato- 

 ovatd ; intense fiisco-olivaced, inins purpvreo-fuscd, 

 lividd. 



The labge-moutued Ampullaria. Shell globosely 

 ventricose, Natica- shaped, spire flatly immersed, 

 whorls convex, swollen, spirally obscurely corded, 

 rugose ; umbilicus covered over ; aperture very large. 



lunar-ovate ; dark brown-olive, interior purple-brown, 



livid. 

 SoWERBY, Tankerville Catalogue, App. p. 10. 



Ampullaria Neriioides, D'Orbigny. 

 3ab. Mouth of the Rio Uruguay ; D'Orbigny. 



Distinguished from all other species of the genus by 

 its remarkably expansive Natica-shaped growth and livid 

 purple-brown interior. 



Species 14. (Mus. Cuming.) 



Ampullaria sordida. Amp. testd gtoboso-iurbinaid, 

 spird subprominuld, suiurd canaliculatd, anfraciibus 

 rotundatis, .wperne impressis, liBvigaiis ; vmbilico pro- 

 funda ; apa-turd ovaid, labro vix reflexo ; rufo-oUoa- 

 ced, labro castaneo. 



The dull Ampullaria. Shell globosely turbinated, 

 spire rather prominent, suture channelled, whorls 

 rounded, impressed at the upper part, smooth ; uni- 

 bOicus deep ; aperture ovate, lip scarcely reflected ; 

 reddish-olive, lip chestnut. 



SwAlNSON, Zoological Illustrations, vol. iii. pi. 143. 



Eab. Rio de la Plata. 



Of regular rotundately turbinated growth, smooth, and 



chestnut-rust-coloured. 



Species 15. (Mus. Cuming.) 



Ampullaria Hondurasensis. Amp. testa ovatd, ven- 

 tricosd, spird breviusculd, acuid, anfraciibus superne 

 plano-declivibus, deinde convexis, basin versus subat- 

 ieimaiis, corrugato-striatis ; nmbilico angnsio ; aper- 

 turd pyriformi-ovaid, labro subexpanso ; cinereo-oli- 

 vaccd, nitenie, fasciis linearibus obscure pictd. 



The Honduras Ampullaria. Shell ovate, ventricose, 

 spire rather short, sharp, whorls flatly slanting round 

 the upper part, then convex, rather attenuated to- 

 wards the base, wrinkle-striated ; umbilicus narrow ; 

 aperture pyriforraly ovate, lip rather expanded ; ash- 

 olive, shining, obscurely painted with linear bands. 



Hab. Honduras; Dyson. 



A neatly convoluted species of a peculiar shining livid 



ash-olive colour, obscurely painted with linear bands. 



June, 1856. 



