CONCHOLOGY, 



DONATIONS. 



A collection of Freshwater Shells, found in the neighbourhood of 

 Warwick, viz.— 



Gasteropoda. Class i, Conchifera. Order i, Lamellibranchiata. 



Fam. I, Sphaeridae 

 Genus I., Sphaeriam. 



Genus II., Pisidium. 



Fam. 2, Genus I. 



Unionidae. ) 



Genus II. f 



Fam. 3, Dreissenidae. ] 



Genus Dreissena. j 



11 Sphaerium lacustre. 

 19 ,, comeum. 



5 .. 



II ,, rivicola. 



5 Pisidium amnicum. 

 10 ,, fontinale. 



4 Unio tumidus. 



2 Half-grown Anodonta anatina. 

 7 Dreissena polymorpha. 



Gasteropoda. Class 2. Order i, Pectinibranchiata. 



Fam. 2, Paludinidae. 

 Genus I., Paludina. 



Fam. 3, Valvatidae. 

 Genus Valvata. 



Fam. Limnaeidae. 

 Genus I., Pianorbis 



Genus II., Physa. 



Genus III. 



7 Paludina vivipara (with opercula). 

 15 Young of ditto. 



3 Valvata piscinalis. 

 I ,, cristata. 



15 Pianorbis vortex. 



3 „ comeus. 

 9 ., ,, half-grown. 



4 ,, albus. 

 3 ,, spirorbis. 



10 „ complanatus. 

 9 „ complanatus. 

 7 „ carinatus. 

 9 ,, carinatus. 



11 Physa fontinalis. 



Order 2, Pulmonobranchiata. 



Limnea. 13 Limnea stagnalis. 



15 ,, palustris. 

 3 ,, auricularia. 

 18 ,, peregra. 



Genus IV. 



13 Ancylus fluviatilis. 

 6 ,, lacustris. 



Presented by Miss Baly, Warwich. 



Land shells (Cyclostoma), Jamaica. — Presented by Rev. P. B. Brodie. 



