PHYSA INTEGRA. 33 



Color yellowish-brown to chesnut, rarely 

 hyacinth-red. 



Geographical Distribution. "Inhabits the 

 waters of the Missouri . . . near Council Bluff." 

 — Say. Mrs. Say has given me specimens 

 from Indiana, and Mr. Anthony from Ohio. I 

 have seen specimens from Georgia which ap- 

 pear to belong to this species; and Professor 

 Adams notes it as occurring rarely in Vermont. 



Foreign Analogue. Physa castanea. 



PHYSA INTEGRA, Raid. 



Plate 4. — Figs. 7, 8. 



P. testa ovata, pallida, subumbilicata: anfractibus 5 con- 

 vexis, apice acuto: sutura valde impressa: plica columellari 

 obsoleta. 



SYNONYMS AND REFERENCES. 



P. (Diastropha) Integra, Hald. This work, March 

 13th, 1841. 



DESCRIPTION. 



Shell oval, with a lengthened, pointed spire: 



i 5 



