limnaeaceA. 231 



39. Physa cernica, Morelet. 



16 Mauritius; coll. G. Nevill, Esq. 



40. Physa sandwichensis, Goui., 



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



41. Physa guadaloupensis, Goui. 



(fide Newcomb). 



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



42. Physa Obtusa, Morelet. 

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



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



3 Patengun in Java (?) ; coll. Baron F. von Eiehthofen. 



44. Physa fontinalis, Linn. 



20 England ; coll. G. Nevill, Esq.- 

 7 Potsdam ; ex c. Dr. Ed. von Martens. 



3 Grenoble ; coll. G. Nevill, Esq. 



45. Physa contorta, Mich. 



(Fide Jick., Isidora contorta, Mich. = trwwata, Fer. = 

 harpula, Fer., hrocchi, Ekr. = heimpricM, Ehr.^ rivularis, 

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



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



46. Physa acuta, Drap. 



(Fide Jick. = suhopaca, Jjaxa. = nana, P. & M. = ohlonga, 

 P. & M. ^ lorhonica, Fer. = seycJiellana, Mart. = 

 canariensis, 'Bo-axg. ^ dahnatina and husdhi, Kiist.) 



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



Sub-Genus BULINJJS, Adamson. 

 (Aplexus, Gray). 



47. Physa (Bulinus) hypnorum, Linn. 



4 Halle, in Saxony. 



20 Berlin ; coll. Dr. Ed. von Mai-tens 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 j ex c. Prof. W. Newcomb and Prof. E. C. Stearns. 



