VALVAT1D2E. 17 



10. Valvata macrostoma. 



Valvata macrostoma, Stein, Conch. Berlin, 1850. 

 1 Berlin ; ex " Linnsea." 



11. Valvata saulcyi. 



Valvata Saulcyi, Bourguignat, Cat. MolL coll. Saulcy, 1853, Damascus. 

 4 Damascus ; coll. Dr. J. Anderson. 



12. Valvata petiti. 



Valvata Petiti, Crosse, J. de C, 1872, " cum Glyptophysa petiti, in lacu 

 regionis Grande Vallee des Kaor is dicta, N. Caled. merid." 

 1 New Caledonia; ex c. P. Bouvier, Esq. 



13. Valvata (?) microscopica. 



Valvata? microscopica, G. Nevill, Cat. Moll. Fasc. E, 1877, Ft. Canning 

 diam. 1\ mil. 



12 Port Canning (type); coll. G. Nevill, Esq. 



15 Port Canning; coll. Colonel G. B. Maiuwaring. 



14. Valvata (?), n. sp, 



3 E. of Pamir Kul, Central Asia ; coll. Dr. F. Stoliczka. 



There are in the Museum five larval cases belonging to the 

 Fam. Phyganidce from New Zealand having all the appearance 

 of a species of Valvata I Also twelve of another species from 

 South India, sent by Colonel Beddonae, and five from Port 

 Mahon presented by Mons. Joly ! 



Sub-Genus LYOGYRUS, Gill. 

 Proc. Acad. Philad. 1863, type V. pupoidea, Q-ld. 



15. Valvata (Lyogyrus) pupoidea. 



Valvata pupoidea, Gould, Amer. Journ. Sci., 1 Ser. Vol. XXXVIII, 1840, 

 Massachusetts. 



3 Loc. ? ; ex Mr. Sowerby (c. Lombe Taylor). 



Genus (?) HETEROCYCLUS, Grosse. 

 J. de C. 1872, type H. perroquini, Crosse. 



1. Heterocyclus perroquini. 



Heterocyclus Perroquini, Crosse, J. de C. 1872, " Baie de Sud," N. Cale- 

 donia. 



4 New Caledonia; ex c. P. Bouvier, Esq. 



