244 LAND AND FRESH-WATER SHELLS OF N. A. [PART I. 



Fi?. 423. Fig. 424. 



Pupa riipicola, enlarged. 



and prominent, deep in the fances behind the coluuiellar tooth ; umbilicus 

 minute. Length 2i, diam. 1 mill. 



Pupa rupicola, Say, Journ. Acad. Nat. Sci. Phila. II, 103 (1821) ; Binney's 



ed. 22 (Cart/chiinn ?).—GovhD, Bost. Journ. Nat. Hist. IV, 355, pi. 



xvi, f. 13 (1843).— Pfeiffer, Mon. Hel. Viv. II, 358; III, 557, nee 



SymbolsB, II, 55 ; in Cuejinitz, ed. 2, p. 123, pi. xvi, f. 17-19. — 



DeKay, N. Y. Moll. 52 (1843).— Binney, Terr. Moll. II, 341,pl. Ixx, 



f. 1.— W. G. Binney, Terr. Moll. IV, 145. 

 Pupaprocera, Gould, Bost. Journ. Nat. Hist. Ill, 401, pi. iii, f. 12 (1840). 



— KtfsTER, in Chemnitz, 58, pi. vii, f. 20, 21. — Pfeiffek, Mon. Hel. 



Viv. II, 360. 

 Pupa carinata, Goulp (olim), 1842, Bost. Journ. Nat. Hist. IV, 1, cover, 



p. 3; see also IV, 359 (1843).— Pfeiffek, Mon. Hel. Viv. 11,359; 



III, 557. 

 Pupa gihbosa, KtJSTER, in Chemnitz, ed. 2, p. 123, pi. xvi, f. 13-16. 

 Pupa minula (Say), Pfeiffek, Mon. Hel. Viv. II, 356; III, 555 ; Sjnib. 



II, 54. 

 Vertigo rupicola, Binney, I. c. 



From Key West to Arkansas and New England. 



Pupa corticaria, Say. — Shell whitish, shining, cylindrical, obtuse 

 at the apex ; whirls rather more than five, convex ; suture well impressed ; 

 aperture lateral, two-thirds as wide as the last whirl, suborbicular, with 

 a single tooth (sometimes two) on the parietal wall, near the centre, and 

 a tooth-like enlargement near the umbilical termination of the peristome, 

 which is white, rellected ; umbilicus very minutely perforated. Length 

 2\, diam. 1 mill. 



