Turbo 



annulatus 



Arcliimedis 



arciiatiis 



areuarius 



arjryrostonius 



argyrostomus 



armatus 



atratus 



auricnlaris 



Auriscalpinm 



biplicatus 



bidens 



bidens 



Bryereiis 



Calathiscus 



Calcar 



Calcar i 



canaliculatus 



canalis 



cancellatus 



caritiatus 



carinaius 



Carychium 



castaneus 



chrysostomus 



Cidaris 



Cimex 



cinctus 



cinereus 



cin£;illus 



clathratulus 



Clathiiis 



Cluthrus 



Cochins 



Collari-prcEditus 



coniferus 



coineus 



cornutus 



coronatus 



corrufiatiis 



costatus 



cos tat us 



crassior 



crass us 



crenatHs 



crenelliis 



crenulatus 



cristatus 



croceus 



crystallinus 



cylindruceus 



Cylindnis 



declicis 



decnssatns 



decussatus 



Delphinus 



Delpkinus 



dentaMis 



depressus 



denticulatiis 



Diadema 

 vol.. n. 



874, 



840, 



