38 PHYSA GLOBOSA. 



pears of a deep black color, with an obsolete 

 testaceous spot near the base of the anterior 

 [lower?] side. Its proportions are somewhat 

 similar to P. hypnorum." 



I follow Mr. James de Carle Sowerby in re- 

 ferring the elongata of Say to the hypnorum of 

 Linnaeus; but, if the large variety from Oregon 

 should prove to be a distinct species, the name 

 elongata may be applied to it. 



PHYSA GLOBOSA, Hold. 



Plate 5.— Figs. 10—12. 



Testa globosa, tenui; spira abbreviata: apertura elongata, 

 latissima. 



SYNONYMS AND REFERENCES. 



Pmysa (Physella) globosa, Hald. Jour. Acad. Nat. 

 Sci., vol. viii. p. 200. 



DESCRIPTION. 



Shell globose, translucent; spire very short 

 and rounded; aperture very long and wide, oc- 



