30 



GASTROPODA 



No. 



Scientific Names. 



Common Names, 

 Translations, and Remarks. 



870* 

 871-874 



875 

 876 

 877 



878 



879 

 880, 880* 



Ampulluria cornu-arictis 



„ virens 



„ reflexa 



Planorbis guadaloupen- 

 sis 



Planorbis corneus 



Physa heterostropha 



Lymnrea stagnalis 



Bulimus oblongus 



Amphidromus pervcrsus 



Rani's-horn 

 Green apple snail 

 Reflexed apple snail 

 Fresh-water snail 



Liguus virgineus 

 Orthalicus zebra 

 Sagda epistyliuni 

 ,, Cookiana 

 Nanina cilrina 



„ „ variety 



Achalina niargiiiata 

 „ zebra 



Oblong Bulimus 



Perverse Amphidromus 



Thevolutionsof the shells 

 of tliis genus turn some- 

 times to the right and 

 sometimes to the left 

 (dextral and sinistral). 

 No. S70 is the sinistral 

 form. 



Virgin agate shell 



Zebra Orthalicus 



Chapiter Sagda 



Cook's ,, 



Lemon-coloured Na- 

 nina 



Lemon-coloured Na- 

 nina 



Bordered agate shell 



Zebra 



Habitats. 



Brazil 



India 

 Mexico 

 West Lidies 



Britain 

 West Lidies 

 Britain 

 Barbadoes 

 Java 



Cuba 

 Jamaica 



Moluccas 



L. Land. 

 F. Fresh- 

 water. 

 M. Marine. 



West Africa 

 South Ahica 



