— 183 — 
Cerithium Bonellii, DEsx. 
— calcitrapoides, LAMK. 
— cancellatum, LAMK. 
— catenatum, DESx. 
— cCristatum, LAMK. 
— cuspidatum, DESH. 
— denticulatum, LAMK. 
— echidnoides, LAMK. 
— fragile, DESH. 
— giganteum, LAMK. 
— Gravesi, DÉSH. 
— imperfectum, DEsx. 
— inabsolutum, Des. 
— interruptum, LAMK. 
— Jamellosum, BRrüG. 
— lapidum, LAMK. 
— multispiratum, DESx. 
— muricoides, LAMK. 
— semi-granulosum, LAMK. 
— spiratum, LAMK. 
— striatum, BRuG. 
— tiara, LAMK. 
— umbilicatum, LAMK. 
— unisulcatum, LAMK. 
Melania lactea, LAMK. 
Diastoma costellata, Des. 
Keilostoma minor, DESH. 
— turricula, DESH. 
n Turritella abbreviata, DEsx. 

— carinifera, DESH. 
— edita, SOWERBY. 
—  fasciata, LAMK. 
— imbricataria, LAMK. 
— multisulcata, LAMK. 
— subula, DESH. 
Turritella sulcata, LAMK. 
—  terebellata, LAMK. 
Siliquaria brevifissurata, Desx. 
Littorina cyclostomoides, Desu. 
—  sulcata, DEsx. 
Solarium canaliculatum, LAMK. 
— patulum, LAMK. 
— trochiforme, DEsx. 
Bifrontia disjuncta, DEsx. 
—  marginata, DESH. 
Xenophora agglutinans, LAMK. 
Lacuna pulchella, Desx. 
Rissoina cochlearella, LAMx. 
Bithynia nitens, DEsH. 
Nerita mammaria, LAMK. 
Turbo denticulatus, LAMx. 
— trochiformis, DESH. 
Phasianella parisiensis, d’Ors. 
— turbinoides, LAMK. 
Trochus sulcatus, LAMK. 
Delphinula canalifera, LAMK. 
— conica, LAMK. 
—  marginata, LAMK. 
— spiruloides, DESH. 
— siriata, LAMK. 
Adeorbis bicarinata, DESH. 
Fissurella labiata, LAMK. 
Emarginula radiola, LAMK. 
Parmophorus ovalinus, DEsx. 
Calyptræa lamellosa, DEsH. 
— trochiformis, LAMK. 
Pileopsis squamæformis, LAMK. 
Hipponyx cornucopiæ, DEFrR. 
— elegans, DESH. 
— spirirostris, LAMK. 

