32 



795 Fissurella chipeiformis 

 7^0 crenulata 



797 ' 



798 



799 



800 



801 



802 canccllata, Solnndcr 



SIPHOAARM, SowERBYs' Genera of Shells 



803 Siphonaria Sipho, several varieties and many 



specimens 



804 Mouret; Monret, Adanson 



805 concinna 



80G Tristensis ? 



807 cxigua 



808 Gigus 



809 ofdiqitata 



PILE OP SIS. 



810 Pilcopsis Ungarica 



811 Mitrula 



812 subrufa 



812« Cassida, Patella Cassida, Dillw, 



813 intorta? 



813a Calyptra, Patella Cahjptra, Dillw. 



CALYPTRJEA. 



814 Calyptra>a Extinctorium, Sowerbys' Genera of 



Shells, No. 23 



815 • spinosa, Id, 



816 • cquestris 



817 Chinensis 



818 Pilous, Nobis; Trocus Pilcus, Lanv, 



819 dilatata, Nobis 



