FAMILY SUCCINEID^ 57 



Succinea hawkinsi liaird. 



Succinfa hiiwkinsi lixiKu, 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, Akiska ! Carberry, Manitoba ! not 

 common. 



A kirge species with a produced oblicjue aperture and acute spire. 

 Qiiite close to S. silliviani Bland. 

 Succinea avara Say. 



Succinea avara Sav, Rep. Long's Exped., II, p. 260, pi. XV, fig. 6, 1824. 

 Succinea vermeta S.AV, New Harmony Diss., 11, No. 15, 1829. — Tryon, Am. 



Journ. Conch., 11, p. 233, pi. (11) xvii, fig. 10, 1866. 

 Succinea wardiana Lea, Proc. Am. Phil. Soc, 11, p. 31, 1841; 



Trans. Am. Phil. Soc, ix, p. 3, 1844. — Tryon, Am. 



Journ. Conch., u, p. 233, pi. (11) xvii, fig. 12, 1866. 

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



fig. 468, 1869. Fig. 39. Sue- 



Range. — North America east of the Rocky Moun- einea avara 

 tains from Texas to N. Lat. 63°.' ■' 



Lac des Mille Lacs to Lake of the \Voods ; 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. iii, 



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



1S69. — PossELT, Consp. Fauna; 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. 

 ^SL XXIV, fig. 108, 1866. — Binney, Land and Fw. Sh. 



»^L N. Am., I, p. 260, fig. 462, 1869. 



WHB Range. — North America, east of the Rocky Mts. 



^^ from Louisiana to British America but not far east of 



Fig. 40. Sue- .1 a r • • • 



^ the Mississippi. 

 cinea <rroszenori >r-i t- ti it-.it^ 



T W ood Mt., jNLTiiitoba ; Lgg Lake and Red Deer, in 



Lea. ' ' "-^ ' 



Alberta ; upper Mackenzie River at Fort Simpson ! 

 ^Succinea verrilli Bl.ind (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. 



