44 



10/5 Ampullaria fasciata var. monstrosa 

 1076a canaliculata? spiri erosli 



1076 effusa^ many varieties 



1077 ' carinata, Sw. (not of Lam.) 



1078 Avellana; undoubtedly a marine 



snell, as Bruguiere suspected, notwitlistand- 

 ing Lamarck's assertion that it is a river shell 



1079 intorta 



1080 chlorostoma, A. luteostoma, Swain. 



A. efusa, De Fer MS. 

 1081 ^ oblonga, Swain. Zool. 111. 



1082 i reflexa, Swain. Zool. 111. 



1083 corrugata, Swain. Zool. 111. 



1084 sordida ? Swain. Zool. 111. 



1085 



1086 not umbilicated, it never- 

 theless appears to be distinct from Swainson's 

 A. crassa 



1087 



1088 



1089 mesastoma 



jVAVICELLA. 



1090 Navicella elliptica 



1091 tessellata, from Timor and Sumatra 



1092 suborbicularis 



JS^ERITIAL4.. 



1093 Neritina puUigera, fa) from Tranquebar, (b) 



from the Nicobar Islands 



1094 Ccmalis 



1095 dubia 



1096 Zebra 



1097 Zigzag 



1098 Gagates, from Sumatra 



1099 lugubris? 



