158 PHYSA. 
Length 7:5, diam. 5 mill. 
Santa Rita Valley, Kansas. 
Smaller, less inflated and having one more 
whorl than PA. Blandii, which it otherwise 
closely resembles. 
38. PHYSA BREVISPIRA, Lea, 
Plate 8, fig. 8. 
Shell smooth, broad elliptical, whitish, 
somewhat transparent, inflated; spire very 
short, obtuse, and scarcely exserted; whorls 
three, the last one large and inflated ; outer 
lip acute, the inner margin being thickened ; 
aperture very large and dilated; columella 
thickened, impressed and twisted, 
Length 9, diam. 6°25 mill. 
Ottawa River, Canada West. 
More obtuse at the apex than Ph. globosa, 
Hald. The aperture is about six-sevenths the 
length of the shell. 
(74) 
