200 



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



r'ig. 462. .32, length .51 inch. Santa Rita Valley, Kansas? and 

 Alexandria, Louisiana. 



Succinea grosvenorii, Lea, Proc. Acad. ?^at. Sci. Philad. 



1864, 109 ; Journ. Acad. Nat. Sci. Philad. pi. xxiv, f. 



108; Obs. XI, 135, pi. xxiv, f. 108.— Tkyon, Am. 



Journ. Conch. II, 232, pi. ii, f. 9 (1866). 

 Succinea forshei/i, Lea, Proc. Acad. Nat. Sci. Philad. 



1864, 109 ; Journ. of same ; Obs. XI, 134, pi. xxiv, 

 f. 107.— Tbyon, Am. Journ. Conch. II, 239, pi. ii, f. 28 (1866). 



The original description of this vSpecies is given above and a 

 figure of an authentic specimen. The same is given 

 below of S. forsheyi, which appears to rae identical. 



463. 



Diam. 



Succinea forsheyi. — Shell obliquely elongate, smooth, 

 polished, semitransparent, pale golden color, very thin ; 

 spire exserted, pointed ; sutures impressed; whirls three, 

 a little convex ; aperture large, wide ovate ; outer lip 

 somewhat expanded ; columella thin, incurved and twisted. 

 23, length .46 inch. Rutersville, Texas. (Lea.) 



Fiff. 464. 



Succinea \Ti3soni, Lea. — Shell obliquely 'elongate, very much 

 striate, transparent, deep golden color, and somewhat large, 

 ovate ; outer lip somewhat expanded ; columella thin, in- 

 curved and twisted. Diam. .30, length .^'o inch. Darien, 

 Ga. {Lea.) 



Succinea wihoni, Lea, Proc. Acad. Nat. Sci. Philad. 1864, 

 109 ; Journ. of same ; Obs. XI, 133, pi. xxiv, f. 105.— 

 Tryo.\, Am. Journ. Conch. II, 239, pi. ii, f. 27 (1866). 



I have not seen this species. The original de- 

 scription and a fac-simile of the original figure are 



ffiven above. 



Succinea concordialis, GouLD.-Shellobliqnely ovate, elongate, 

 reflexed, apex acute, thin but firm, transparent, shining, feebly striated 

 lengthwise and spirally, color pale honey-yellow, with the 

 Fig. 405. tip ruddy; whirls three and somewhat more, very oblique, 

 the two uppermost xery small, outer whirl somewhat com- 

 pressed above the middle; suture well marked; aperture 

 ample, not less than two-thirds the length of the shell, well 

 rounded at base ; columella regularly arcuated, more so 

 Succinea *^^" ^'^® peristome, simple, but its upper portion is reflexed 

 concordialis. and raised so as to form a marginal wall to the aperture, as 



