Lingual dentition of Sueeinea (otieniana. [Morse] 



Fig. 479. 



Succiliea campestris, Sat. — Shell yellowish-white, or yellowish 

 horn-color, rouuded-ovate ; periostraca shining, wrinkled ; whirls three, 

 not oblique, the last whirl large and ventricose, the other two 

 constituting the spire, spire short, with acute apex ; aperture 

 ample, not much elongated, rounded anteriorly ; peristome 

 thin and sharp. Length 15, of aperture 10 mill. 



Succinea campestris, Say, Joum. Acad. Nat. Sci. Philad. I, 

 281 (1817); Nich. Encycl. 3d ed. (1810) ; Bikneys ed. 

 12.— Ferussac, Tabl. Syst. 31, pi. xi, f. 12.— Pfeiffer, 

 Symbolse, II, 56 (excl. syn. Gould) ; Mon. Hel. Viv. II, 

 524 (excl. do.) ; III, 15 (excl. syn. DeKay) ; in Chem- 

 HiTz, ed. 2, 48, pi. v, f. 5, 6 (1854).— Deshayep, in Fer. II, 139.— 

 BiNNEY, Terr. Moll. II, 67, pi. Ixvii, b, f. 1.— W. G. Binney, Terr. 

 Moll. IV, 32.— Tryon, Am. Jonrn. Conch. II, 231, pi. ii, f. 4 (1866), 

 not of DeKay, 54, Adams, Liksley, Anthony, Prescott (abs. descr.). 



Succinea iiijlata, Lea, Trans. Am. Phil. Soc. IX, 5 ; Obs. IV, 5 (1844) : 

 Proc. II, 31 (1841).— Pfeiffer, Mon. Hel. Viv. II, 526 ; in Chemnitz, 

 ed. 2, 49, pi. V, f. 9-11 (1854).— W. G. Binney, Terr. Moll. IV, 34, 

 pi. Ixxx, f. 11.— Tryon, Am. Journ. Conch. II, 230, pi. ii, f. 2 (1866). 



Succinea unicolor, Tbyon, Am. Journ. Conch. II, 230, pi. ii, f. 3 (18G6). 



It is a strictly southern species, observed as yet only in Florida 

 and Georgia, and has been confounded with S. ohliqua. 



Fig. 480. 



Lingual dentition of Succinea campestris. 



