FAMILY PUPID^E 



2 7 



Family PUPIDJE. 

 Genus Strobilops Pilsbry. 



7- Animal from above. 8. f . 9. Showing internal lamellae. 



FIGS. 7-9. Strobilops labyrinthica (magnified). 



Strobilops labyrinthica Say. 



Helix labyrinthica SAY, Journ. Acad. Nat. Sci. Phila., I, p. 124, 1817. 



MORSE, Am. Nat., i, p. 145, figs. 41-42, 1867. BINNEY, Land and 



Fw. Sh. N. Am., i, p. 84, figs. 150-154, 1869. 

 Strobila labyrinthica MORSE, Journ. Portland Soc. N. Hist. , I, p. 26, figs. 64- 



67, pi. n, fig. 12, a-b, pi. viii, fig. 68, 1864. 

 Strobilops PILSBRY, 1892, new name for Strobila Morse, 



1864, not Sars, 1835. 



Range. Eastern United States, from Texas north- 

 ward to British America. 



Carberry, Manitoba ; Moose Factory, James Bay ! 



Genus Bifidaria Sterki. 

 Bifidaria armifera Say. 



Pupa armifera SAY, Journ. Acad. Nat. Sci. Phila., u, p. 

 162, 1821. GOULD, Boston Journ. Nat. Hist., in, p. 

 400, pi. in, fig. 10, 1840. BINNEY, Land and Fw. Sh. 

 N. Am., i, p. 241, fig. 419, 1869. FlG - I0 - Bl fi da - 



. ria arm ife r a 



Range. The United States east of the Rocky ( magn ifi e d). 

 Mountains, and Canada. 



Red Deer, Alberta ; Brandon, Manitoba. 



Bifidaria contracta Say. 



Pupa contracta SAY, Journ. Acad. Nat. Sci. Phila., n, p. 

 374, 1822. GOULD, Boston Journ. Nat. Hist., in, 

 p. 399, pi. in, fig. 22, 1840. BINNEY, Land and Fw. 

 Sh. N. Am., i, p. 242, figs. 420-422, 1869. 



Range. Eastern North America from Mexico 

 FIG. ii. Bifid- 

 aria contracta to British America, east of the Rocky Mountains. 



(magnified). 



Carberry, Manitoba. 



