FLUMINICOLA. 65 
Genus FLUMINICOLA, Stimpson. 
1. FLUMINICOLA NUTTALLIANA, Lea. 
Plate 17, fig. 17. 
Shell globosely turbinate, thick, whorls four 
(apex eroded generally), convex, sutures well 
impressed; aperture large, widely ovate. 
Greenish, aperture blue within. 
Alt. 10, diam. 8°3 mill. 
British Columbia to Sacramento River, Cali- 
fornia. 
2. FLUMINICOLA VIRENS, Lea. 
Plate 17, fig. 18. 
Shell oval, thick, apex eroded, whorls about 
four and a half or five, moderately convex ; 
aperture narrow-ovate. Bright green, bluish 
within. 
Alt. 10, diam. 6 mill. 
Oregon. 
(46) 5 
