940 



ZOOLOGY— MOLLUSCA. 



It is thought by Mr. Wheatley that sayii, amputtacea, lordi, and parkerii 

 are one species ; if this be so, the synonymy will have to be headed by P. 

 sayii, to which Dr. Lewis assents. 



Secured as follows: — 



No. 



Locality. 



Date. 



Collector. 



H L i 



Gila River, N. Mex 



> 1S73 



Dr. 0. Loew. 





PHYSA HAWNII, Lea. 

 Physa hawnii, Lea, Proc. Acad. Nat. Sci. Phila., ii, 18G4, 8, 115. 



Hai?. — Verdigris River, Kansas (F. Hawn). 

 Found at the following locality: — 



No. 



Locality. 



Date. 



Collector. 



70 A 





Aug., 1873 



G. K. Gilbert. 





PHYSA TRASKII, Lea. 

 Physa trasMi, Lea, Proc. Acad. Nat. Sci. Phila., 18G4, ii, 8, 115. 



Hah. — Rio Los Angeles, Cal. 

 Taken at the following locality: — 



No. 



Locality. 



Date. 



Collector. 



R 4 



Santa Fe, N. Mex 



July. "§73 



Dr. O. Loew. 





? PHYSA D'ORBIGNIANA, Lea. 



No. 



Locality. 



500 R 

 L 44 A 



Arizona 



Abiquiu, N. Mex 



Date. 



Collector. 



, 1873 



Sept., 1874 



H. W. Henshaw. 

 Dr. O. Loew. 



The latter number represents a very small variety, which is placed pro- 

 visionally under this head. Further investigations may prove it to be a 

 new species. 



