SUCCINEA. 



211 



remarkably short, acute ; whirls two and a half, the last one Fig. 487. 

 Very much the largest, depressed, equalling five-sixths the 

 length of the shell ; columella scarcely rounded and hardly 

 receding ; aperture very large, oblique and oval ; peristome 

 simple, regularly rounding. Length 12, diam. 7 mill. ; length 

 of the aperture 10, breadth 6 mill. 



Succinea effusa, Sucttlewokth, MSS. — Pfeiffer, Mon. Hel. 

 Viv. Ill, 17 ; in Chemnitz, ed. 2, 42, pi. iv, f. 18-20 

 (1854).— W. G. BiNNEY, Terr. Moll. IV, 41, pi. Ixxs, f. 12.— Tkyox, 

 Am. Journ. Conch. II, 231, pi. ii, f. G (18G(j). 



East Florida. 



Doubtful and Spurious Species of Succinea. 



Succinea pulris, Li.\. (Desuayes, Encycl. Meth. 21 ; DeKay, 1839, 31 ; 

 Fekussac, Tabl. Syst. 9), aud 



Succinea amphibia, Drap. (Forbes, Brit. Ass. 1837, 144; Fercssac, Tabl. 

 Syst. ; Bi.NNEY, Terr. Moll. II, 159 ; Mrs. Sheppard, Tr. Lit. Hist. 

 Soc. Quebec, 1829, I, 194), have been quoted from America. Hav- 

 ing never seen a well-authenticated specimen of either, I omit them. 



Succinea vermeta, Say, New Harm. Diss. II, 230 (1829) ; Desc. 23 (1840) ; 

 ed. Binney, 38 (S. venusta, W. G. B., err. typ.). Gould quotes thia 

 in the synonymy of S. avara. See Terr. Moll. II, 64, 7-<. 



Succinea aperta, Lea, Trans. Am. Phil. Soc. VI, 101, pi. 

 xxiii, f. 101; Obs. II, 107 (1839), is said by Gould 

 (Terr. Moll. II, 67) to be identical with S. rotundata 

 of Sandwich Islands. 



Succinea pellucida, Lea (Proc. Acad. Nat. Sci. Philad. 

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

 106), appears to me to be Limnaa columella. A figure 

 of an authentic specimen, received from Mr. Lea, is 

 here given. 



Fie 488. 



Spurious Species of IIelicidje. 



Bnlimus (Parfula) liatavice, var. 0. minor. United States, Grateloup 



(Soc. Lin. de Bord. XI, 165). 

 Partula otaheitana, Fer. United States (Gratelodp, I. c. p. 426). 

 Auatina fuscata, Rafinesqde, is probably not found in the United States. 



(See Terr. Moll. I, 50.) 



To the Terrestrial Mollusks, I, p. 348 et seq., and IV, p. 152,' 1 



refer for information regarding the following species of Rafinesque : 

 Zolotrema, Raf. ilenompkis, Raf. 



Ilemiloma ovata, Rap. Aplodon nodosum, Rap. 



' See also Bixney's and Tryox's ed. of Rafixesque's Complete Writings. 



