1628 Pyrula neritoidca 

 16286-^ Spirillus 



1629 coantata. Nobis 



1630 testa sinistrorsi 



1631 



STIiUTHIOLORM. 



1632 Struthiolaria noilulosa 



1633 inerinis, Sowcrbys' Genera of 



Sbells 



1634 oblUa 



RA.\ELLA. 



1635 Ranella gigantea 



1636 leucostoma, several specimens, one with 



its epidermis 



1636a var. ultimo aufractu tuber- 



culis seriebus duabus cincto 



1637 Argus 



1638 Crumena. One specimen only has the 



orange red aperture mentioned by Lam. We 

 are strongly inclined to suspect that the others 

 form a distinct species: they are marked 

 1638 a. 



16386 Crumena. — Ohs. The two specimens 



bearing this number appear to be a distinct 

 variety of the last, in which the tubercles on 

 the varices are lengthened into spines: it has 

 not the depressed appearance of R. spinosa. 

 spinosa; (uj var. spina superiorc varicis 



1639 



dichotoma 



1640 • bufonia, (a) var. ore fusco 



1641 verrucosa 



1642 granifera 



1643 bitubercularis 



1644 Gyrinus, IMurex Gyrinus, Linn. Ranella 



ranina. Lam. 



1645 pulchella 



