28 



LAND AND FRESH WATER MOLLUSKS 



Bifidaria holzingeri Sterki. 



Pupa holzingeri Sterki, Nautilus, in, No. 4, p. 37, Aug., 1889. — BiNNEY, 



Bull. Mus. Comp. Zool., xix. No. 4, p. 193, fig., p. 194, 1890. 

 Bifidaria holzingeri Pilsbry, Class. Cat., p. 19, 1898. 



Range. — Illinois and Kansas, northward to British America. 

 Red River drift, Brandon, Manitoba ; Red Deer, Alberta. 



Bifidaria pentodon Say. 



Vertigo pentodon Say, Journ. Acad. Nat. Sci. Phila., li, p. 376, 1822. 

 Pupa pentodon Gould, Boston Journ. Nat. Hist., iv, p. 353, pi. xvi, figs. 

 10-11, 1843. — BiNNEY, Land and Fw. Sh. N. Am., i, p. 236, figs. 405- 

 409, 1869. 



a b c 



Fig. 12. Bifidaria pentodon (magnified), showing variations in aperture. 



Range. — Eastern United States from Texas to British America ; 

 southeastern Nevada, Quebec ; Ontario ; Manitoba (rare) ; Alberta, 

 at Laggan. 



Genus Pupilla (Leach) Turton. 



Pupilla blandi Morse. 



Pupilla blandi Morse, Ann. N. Y. Lye. Nat. Hist., viii, 



p. 211, fig. 8, 1865. 

 Pupa blandi Binney, Land and Fw. Sh. N. Am., i, p. 235, 



fig. 402, 1869. 

 ? Pupa signata Westerlund, 1885, not of Mousson. 



Range. — Upper Missouri, Rocky Mountains ; New 

 Mexico to Colorado; Canada; Red Deer, Alberta. 



Pupa signata was described from the Caucasus, 

 and its inclusion by Westerlund in a list of American 

 Arctic species is probably an oversight. 



Fig. 13. Pu- 

 pilla blandi 

 (magnified). 



Pupilla muscorum Linn6. 



Turbo muscorum Linn6, Syst. Nat., ed, x, p. 767, 1758 ; ed. xii, p. 1240, 

 1767. — Hanley, Shells of Linn., p. 352, pi. iv, fig. 6, 1855. 



Pupa muscorum var. bigranata Rossmassler, fide Westerlund. 



Pupa badia Adams, Boston Journ. Nat. Hist., ill, p. 331, pi. iii, fig. 18, 1840. 



Pupilla badia Morse, Journ. Portland Soc. N. Hist., i, p. 37, figs. 89-91, pi. 

 X, fig. 92, 1864. 



Pupa muscorum var. lundstromi Westerlund, Ges. Nat. zu Berlin, p. 36, 

 Mar., 1883. 



