79 
Legumen napii n. sp. 
Plate XYI, figure 1 
Moderately convex, very much longer than high, and narrowing 
anteriorly. Beak not preserved, but apparently at about one-fifth from 
anterior extremity. Dorsal margin fairly long, straight. Ventral margin 
longer, almost straight. Posterior margin abruptly rounded below and 
somewhat obliquely truncate above. Anterior margin abruptly rounded 
and somewhat pointed. Surface has fine concentric striae. Anterior 
muscle scar very close to anterior border. 
Napi is the chief figure in Blackfeet mythology. 
Height 18§ mm., length 50 f mm. 
Horizon and Locality . In the lower part of the Allison formation on 
Gulch creek and about 185 feet above base of section exposed there. 
Type . National Museum of Canada; holotype, Cat. No. 9040. 
