SUCCINEA. 



261 



it enters the shell, and produces a slight fold where it disappears within 

 the spire ; a broad, thiu callus covers the left margin, wliich is sliglitly 

 detached anteriorly, so as to form the rudiment of an umbilicus. Length 

 14, of aperture 9 mill. 



Succinea concordialis, Gould, Proc. Bost. Soc. Nat. Hist. Ill, R7 (June, 

 1848) ; m Terr. Moll. II, 82, pi. Ixvii, a, f. 2.— Pfeiffek, Mon. Hel. 

 Viv. in, 16.— W. G. BiNNEY, Terr. Moll. IV, 41.— Tkyos, Am. Jouru. 

 Conch. II, 239, pi. ii, f. 29 (18G(J). 



Succinea munita, Binney, Terr. Moll. I, in tables. 



Lake Coucordia, in Texas. 



Fig. 46(j. 



SllCCiuea Inteola, Gould. — Shell of a conical, turreted form, some- 

 times rather corpulent, and again quite slender, the last whirl being much 

 less ventricose in proportion than the upper ones, rather thick in sub- 

 stance ; color, when young, pale yellowish-green or drab, becoming 

 bleached or gray with age, the interior, however, sometimes 

 having the bright yellow of yelk of egg, and always more or 

 less tinted thus when living, becoming at last dead white; 

 surface irregularly and loosely wrinkled ; whirls four, forming 

 a well-proportioned spire, the upper ones well rounded, and 

 separated by a deep suture, the apex acute, colored yellow ; 

 last whirl conical at its upper third ; aperture ovate, rather 

 more than half the length of shell, the columellar extremity 

 of the peristome somewhat incumbent ; columella without a fold, rounded, 

 its edge above being seen winding far within the spire. Length 12.'!, 

 breadth 6 mill. 



Succinea hiteola, Gould, Proc. Bost. Soc. Nat. Hist. June, 1848, III, 37; 



Terr. Moll. II, 75 pi. Ixvii, c, f. 1 (1851).— W. G. Binney, Terr. 



Moll. IV, 41.— Tryon, Am. Journ. Conch. II, 239, pl. il, f. 30 (186G). 



— Pfeiffer, Mon. Hel. Viv. Ill, 16. 

 Succinea texasiana, Pfeiffer, olim, Mon. Hel. Viv. II, 526; in Roemek's 



Texas, 456 (1849) ; in Chemnitz, ed. 2, 42, pl. iv, f. 21-23 (1854). 

 Succinea citrina, Shuttlewoeth, undescribed, teste Pfb. 



Florida and Texas. 



