FAMILY SUCCINEID^E 57 



Succinea hawkinsi Baird. 



Succinea hawkinsi BAIRD, Proc. Zool. Soc. London, p. 68, 1863. BINNEY, 

 Land and Fw. Sh. N. Am., i, p. 268, fig. 481, 1869. 



Range. British Columbia and eastward to Manitoba. 



Lake Osoyoos, B. C. ; Sitka, Alaska ! Carberry, Manitoba ! not 

 common. 



A large species with a produced oblique aperture and acute spire. 

 Quite close to S. sillimani Bland. 



Succinea avara Say. 



Succinea avara SAY, Rep. Long's Exped., n, p. 260, pi. xv, fig. 6, 1824. 

 Succinea vermeta SAY, New Harmony Diss., n, No.i5, 1829. TRYON, Am. 



Journ. Conch., u, p. 233, pi. (n) xvn, fig. 10, 1866. 

 Succinea wardiana LEA, Proc. Am. Phil. Soc., n, p. 31, 1841; 



Trans. Am. Phil. Soc., ix, p. 3, 1844. TRYON, Am. 



Journ. Conch., n, p. 233, pi. (n) xvn, fig. 12, 1866. 

 Succinea avara BINNEY, Land and Fw. Sh. N. Am., i, p. 262, 



fig. 468, 1869. FlG . 39 . 



Range. North America east of the Rocky Moun- cine a avara 

 tains from Texas to N. Lat. 62. l S^' 



Lac des Mille Lacs to Lake of the Woods ; lower Saskatchewan 

 near Lake Winnipeg! Two Creeks, Manitoba ; Laggan, Red Deer, 

 Olds, and McLeod, Alberta; Fort Simpson, Mackenzie River in N. 

 Lat. 62 ! 



Succinea gronlandica Beck. 



Succinea gronlandica BECK, Index, p. 99, 1837 ; nude name. MOLLER, Ind. 

 Moll. Gronl., p. 4, 1842. MORCH, Am. Journ. Conch., iv, p. 31, pi. in, 

 fig. 10, 1868. BINNEY, Land and Fw. Sh. N. Am., I, p. 265, fig. 474, 

 1869. POSSELT, Consp. Faunae Gronl., p. 263, 1898. 



Range. Iceland and Greenland. 



This species is rather close to retusa Lea but seems sufficiently dis- 

 tinct to be retained. 



Succinea grosvenori Lea. 



Succinea grosvenori LEA, Proc. Acad. Nat. Sci. Phila., for 1864, p. 109 ; 



Journ. Acad. Nat. Sci. Phila., n. s., vi, p. 179, pi. 

 xxiv, fig. 1 08, 1866. BINNEY, Land and Fw. Sh. 

 N. Am., i, p. 260, fig. 462, 1869. 



Range. North America, east of the Rocky Mts. 



from Louisiana to British America but not far east of 

 FIG. 40. Sue- the Mississipp i. 



cinea grosvenori 



Lea WoodMt., Manitoba; Egg Lake and Red Deer, in 



Alberta ; upper Mackenzie River at Fort Simpson ! 



1 Succinea verrilli Bland (1865, Binney, L. and Fw. Sh. N. Am., i, p. 264, 

 fig. 472) is probably either the young or a dwarf form of this species. It is from 

 Anticosti Id. 





