limnaeaceA. 231 



39. Physa cernica, Morelet. 



16 Mauritius; coll. U. Ncvill, Esq. 



40. Physa sandwichensis, Goul. 



2 Sandwich I. ; ex c. Prof. W. Newcomb. 



41. Physa guadaloupensis, Govil. 



{fide Newcomb). 



3 Sandwich I. ; ex c. Prof. W. Newcomb. 



42. Physa Ohtusa, Morelet. 

 1 New Caledonia ; ex c. A. Morelet, Esq. 



43. Physa, n. sp. (?). 



3 Patengun in Java (?) ; coll. Baron F. yon Richthofen. 



44. Physa fontinalis, Linn. 



20 England ; coll. G. Nevill, Esq. 

 7 Potsdam ; ex c. Di*. Ed. von Martens. 



3 Grenoble ; coll. G. NeviU, Esq. 



45. Physa contorta, Micli. 



{Fide Jick., Isidora contorta, Mich. = trwicata, Fer. = 

 harptda, Fer., hrocclii, Ehr. = hempricM, Elir.r= rivularls, 

 Phil. = tropica, Kraifss. = cyrtonota, Bourg.) 



1 Portugal ; ex c. A, Morelet, Esq. 



46. Physa acuta, Drap. 



{Fide Jick. = subopaca, Lam. = nana, P. & M. = ohlonga, 

 P. & M. = borhonica, Fer. = seychellana, Mart. =: 

 canariensis, Bourg. = dalmatina and buschi, Kiist.) 



2 Lyons, France j coll. G. Nevill, Esq. 



Sub-Genus BU LINUS, Adamson. 

 {Aplexus, Gray). 



47. Physa (Bulinus) hypnorum, Linn. 



4 Halle, in Saxony. 



20 Berlin ; coll. Dr. Ed. von Martens and Prof. Ehrenberg. 

 12 Middlesex ; coll. G. Nevill, Esq. 

 2 France; donor M. Malherbe, ex c. As. Soc, Bengal. 



48. Physa (Bulinus) aurantius, Cpr. 



6 Acapules ,• ex c. Prof. W. Newcomb and Prof. E. C. Stearns. 



