344 A MANUAL OF AMERICAN LAND SHELLS. 



Succivefi Halei, Lea, Jouin. Acad Nat. Sci. Pliilad. ; Obs., xi, 136, pi. xxiv, fig. 110. 



Mr. Lea's origiual description is liere given. Fig. 372 is drawn from a 



specimen received Irom liiui. See also L. & Fr.-W. Sli., i, 259, 1869. 



Sucdnea Mooresiana, Lea. SLell obliquely oval, minutely striate, opaque, whitisb, 



somewhat thin ; spire exsertcd ; sutures impressed ; whorls 3, a little convex ; 



aperture nearly round ; outer lip expanded ; columella incurved and twisted. 



Diameter, .24 inch., length, .39 inch. Court-House Rock, Platte River.(Lea.) 



Siicciriea Mooresiatia, T^ea, Proc. Acad. Nat. Sci. Philad., 1864, 109; Journ. 



Fig. .372 a. of the same, pi. xxiv. iig. 109; Obs., xi, 136, pi. xxiv^ tig. 109. — 



j^ Tryon, Am. Journ. Couch., ii, 235 (1866). 



^^^ The above is Mr. Lea's origiual description. Fig. 372aisdrawu 



^K) from a .specimen furnished by him. See also L. &. Fr.-W. Sh., 



^^ 1,259(1869). 



-S'. Alooiesiana. 'SKccinea (h-onrenorii. Lea. Shell obliquely ovate, striate, somewhat trans- 



■* ])arent, straw yellow, and thin ; spire exserted; sutures very much 



Fit;. :!7'J Ik impressed ; whorls 4, convex ; aperture nearly round and rather 



hirge ; outer lip expanded: columella bent in and twisted. 



Diameter, .32 inch.; length, .51 iuch. Santa Rita Valley, Kaus.? 



and Alexandria, La. 



SiKciiwa Grosroiorii, IjEA, Proc. Acad. Nat. Sci, Philad., 18()4, 109; .Journ. 



.V. OrogrejKii-ii. Acad. Nat. Sci. Philad., pi. xxiv, fig, 108; Obs., xi, 135, pi. xxiv, 



Iig. lOK.— Tryox, Am. Journ. Conch,, ii, 232 (1866). 

 Succ'mta Fomlut/i, Lea, Proc. Acad. Nat. Sci. Philad., 1864, 109; Journ. of same; 

 (_)l)s., xi, 134, 1)1. xxiv. Iig. 107. — Ti;yox, Am. Journ. Conch., ii, 239, pi. 

 ii, tig. 28 (1866). 

 The original descrijjtion of this species is given above, and a tigure of an 

 authentic s})ecinien. The same is given below of S. Forslieyi, which 

 ap})ears to me identical. 

 Siici'niea Forshe;/}. Shell obliquely elongate, smooth, polishe<l. semi-trans- 

 jtarcMit, i)ale golden color, very' thin ; spire exserted, pointed; 

 sutures imj)resse(l ; whorls 3, a little couAex ; aperture large, 

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

 S.Forshei/i- curved and twisted. Diameter, .23 inch. ; length, .46 inch. Ruters- 



vilie. Tex. (Lea.) See also L. iV F.-W. Sh., i, 259 (1869). 

 Sncciiwa 1)'iho)ii, Li:a. Shell ol)]i(|nely elongate, very much striate, transparent, 

 .,.,, , deep-golden color, and somewhat large, ovate ; outer lii) somewhat 



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

 inch.; bngth .66 inch. Darieu, (ia. (Lea.) 

 Si(ccinca IVilsoni, IjKA, Proc. Acad. Nat. Sci. Philad., 1864, 109; Journ of same; 

 Obs., xi, 133, 1)1. xxiv. tig. 105 — TitYON, Am. Journ. Conch., ii, 239 

 (1866). 



I have not seen this species. The original dtscrij)tion and a fac- 

 S. Wilnoni. simile of the original iiguve are given here. See also L. & Fr.-W. 



Sh., i, 260 (1869). 



Tlic above descriptions and figures of doubtful species are also given 

 in Terr. Moll., U. S., V. 



/. Species of the Southern Eegion. (See p. 35.) 



It must be borne in mind that the universally distributed species 

 (see ]).G0) ;ire also found in this region, as well as some of the species 

 of the Interior Eegion, which overlaps it on its northern borders, 



