468 ZOOLOGY. 



costicta, A. Ad., but the whorls are flatter, and the 

 spire higher. 



76. Gena, sp. nov. 



A peculiar carinate species. 



Family TUEBINID^. 



77. Turbo Chemnitzianus, Ev. 



78. T. sp. 



I cannot find any name for this species ; it is a small 

 form figured in the " Descr. de I'Egypte," pi. v. fig. 26. 



79. T. coronatus, Gmel. 



Common. 



Family PISSUEELLID^. 



80. Fissurella cyathulum, Ev. 



Family PATELLID^. 



81. Patella rota, Chem. 



Common. 



82. Heloion, sp. 



A single young specimen. 



Family CHITONID^. 



83. Chiton brevispinosus, Ev. 



Common. 



84. Ch. incurvatus, Carp. 



Order OPISTHOBRANCHIATA. 

 Family BULLID^E. 



85. Bulla ampulla, L. 



