MOLLUSCA 



II. Class CEPHALOPHORA, Blainv. 



I. Sub-Class GASTROPODA, Cuvier. 



1, Order PULMONATA, Cuvier. 



1 . Sub-order Greophila, Fer. (Stylommatophora, A. Sc/im.) . 



Family HELICID^, Gray. 

 [Group AGWATHA, Morch.] 

 1. Sub-family ONGEIBIW^, Gray. 

 Genus ONCHIDIUM, Buchanan (type 0. typhce). 



1. Onchidium typhSB, Buchanan. 



20 in alcohol. Calcutta ; coll. G. NeviU, Esq., and Dr. F. Stoliczka. 



2. Onchidmm pallidum, Stoliczka. 



3 in alcohol, (types) Port Canning j coll. G. Nevill, Esq., and Dr. 

 F. Stoliczka. 



3. Onchidium tigriaum, StoKczka. 



12 in alcohol, (types) Port Canning ; coll. G. NevUl, Esq., and Dr. 

 F. Stoliczka. 



4. OncMdium tenerum, StoHczka,. 



10 in alcohol. Port Canning (type) j coll. G. Nevill, Esq., and Dr. 

 F. Stoliczka. 



5. OncMdium veruculatum, Cuvier. 



1 Ceylon ; coll. Hugh Nevill, Esq. 



6. Onchidium, n. sp. (?). 



2 Andaman Islands j coll. J. Wood-Mason, Esq. 



