PHYSA. 1389 
15. PHYSA TRITICEA, Lea. 
Plate 6, fig. 12. 
Shell subfusiform, pellucid, shining, reddish- 
chestnut ; spire short, rather pointed ; sutures 
slightly impressed; whorls four, somewhat 
constricted; aperture elongate, lined within. 
Length 6:6, diam. 3°8 mill. 
California. 
** Shell ornamented by white longitudinal bands. 
16. PHYSA VIRGATA, Gould. 
Plate 6, fig. 11. 
Shell moderate, solid, smooth, elongate- 
ovate, olivaceous, with longitudinal white 
stripes; spire elevated, acute; whorls four to 
five, well separated; aperture lunate, two- 
thirds the shell’s length ; columella moderately 
folded, but with a heavy callus, within yellow- 
ish-red. 
(55) 
