SUCCINEA. 



431 



Mooresiana. 



Fig. 311. 



twisted. Diameter .24, length .39 inch. Court House Rock on Platte River. 

 (Lea.) 



Succinea Mooresiana, LEA, Proc. Acad. Nat. Sci. Philad., 1864, Fig. 310. 



109 ; Journ. of the same, PI. XXIV. Fig. 109 ; Obs., XI. 136, 

 PI. XXIV. Fig. 109. TRYON, Am. Journ. Conch., II. 235 

 (1866). 



The above is Mr. Lea's original description. Fig. 310 ia 

 drawn from a specimen furnished by him. See also L. & Fr. - 

 W. Sh., I. 259 (1869). 



Succinea Grosvenorii, LEA. Shell obliquely ovate, striate, somewhat transparent, 

 straw-yellow, and thin ; spire exserted ; sutures very much im- 

 pressed ; whorls 4, convex; aperture nearly round, and rather large; 

 outer lip expanded ; columella bent in and twisted. Diameter .32, 

 length, .51 inch. Santa Rita Valley, Kansas? and Alexandria, 

 Louisiana. 



Succinea Grosvenorii, LEA, Proc. Acad. Nat. Sci. Philad., 1864, 

 S. Grosvenorii. 109 ; Journ. Acad. Nat. Sci. Philad., PI. XXIV. Fig. 108 ; Obs. 

 XI. 135, PI. XXIV. Fig. 108. TRYON, Am. Journ. Conch., 

 II. 232 (1866). 



Succinea Forsheyi, LEA, Proc. F Acad. Nat. Sci. Philad., 1864, 109; Journ. of 

 same; Obs., XI. 134, PL XXIV. Fig. 107. TRYON, Am. Journ. Conch., 

 II. 239, PI. II. Fig. 28 (1866). 



The original description of this species is given above, and a figure of an 

 authentic specimen. The same is given below of S. Forsheyi, which 

 appears to me identical. 



Succinea Forsheyi. Shell obliquely elongate, smooth, polished, semi- 

 transparent, pale golden color, very thin ; spire exserted, pointed ; 

 sutures impressed ; whorls 3, a little convex ; aperture large, 

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

 curved and twisted. Diameter, .23, length, .46 inch. Rutersville, s. Forsheyi. 

 Texas. (Lea.) See also L. & Fr.-W. Sh., I. 259 (1869). 



Succinea Wilsoni, LEA. Shell obliquely elongate, very much striate, transparent, 

 deep golden color, and somewhat large, ovate ; outer lip somewhat 

 expanded; columella thin, incurved and twisted. Diameter .30, 

 length .66 inch. Darien, Georgia. (Lea.) 



Succinea Wilsoni, Lea, Proc. Acad. ^Nat. Sci. Philad., 1864, 109 ; 

 Journ. of same; Obs., XI. 133, PI. XXIV. Fig. 105. TRYON, 

 Am. Journ. Conch., II. 239 (1866). 



I have not seen this species. The original description and a fac- 

 simile of the original figure are given here. See also L. & Fr.-W. Sh., 

 I. 260 (1869). 



SPURIOUS SPECIES OF HELICID^E. 



Bulimus (Partula) Batavice, var. /3. minor. United States, GRATELOUP (Soc. 



Lin. de Bord., XI. 165). 

 Partula Otalieitana, FER. United_States (GRATELOUP, 1. c. p. 426). 



Fig. 312. 



Fig. 313. 



