. Bulletin - United States National Museum. Science. EASTERN PROVINCE SOUTHERN REGION SPECIES. 443 Jaw strongly arched; ends blunt, attenuated; cutting edge deeply concave and furnished with a prominent, pointed beak; anterior sur- face with vertical and horizontal striae, but no grooves or rib-like proc- esses ; accessory plate large, subquadrate. Lingual membrane (Terr. Moll., V, Plate X, Fig. N) has 15-1-15 teeth, with 10 perfect laterals. Succiiiea Sallcaiia, Pfeiffer, Shell depressed-ovate, very thin, delicately striated, irregularly marked with impressed spiral lines, i^ellucid, shining,
. Bulletin - United States National Museum. Science. EASTERN PROVINCE SOUTHERN REGION SPECIES. 443 Jaw strongly arched; ends blunt, attenuated; cutting edge deeply concave and furnished with a prominent, pointed beak; anterior sur- face with vertical and horizontal striae, but no grooves or rib-like proc- esses ; accessory plate large, subquadrate. Lingual membrane (Terr. Moll., V, Plate X, Fig. N) has 15-1-15 teeth, with 10 perfect laterals. Succiiiea Sallcaiia, Pfeiffer, Shell depressed-ovate, very thin, delicately striated, irregularly marked with impressed spiral lines, i^ellucid, shining, whitish ^'^^^^• 1 lorn-colored ; spire very short, subtuberculous ; whorls 2^, the penultimate convex, the last exceeding three-fourths the length of the shell; columella with a slight callus, strictly receding; aperture subi)arallel to the axis, angularly oval; peristome subthickened, its right end scarcely arched. Length, 10'""; diameter, 10'"™; height, 17"™. Length of aperture, 16"'™; breadth below middle, 9'""'. Succinea Salleana, Pfeiffer, Proc. Zool. Soc, Nov., 1849, 133; Mon. Hel. Viv., iii, 16; in Chemnitz, ed. 2, 49, pi. v, figs. 7, 8.—W. G. Binney, Terr. Moll., iv, 42, pi. Ixxix, fig. 18; V, 429; L. & Sh.,i, 270 (1869).—Tryon, Am. Journ. Conch., ii, 240 (1866). Near New Orleans, belonging perhaps to the Texas Subregion. Animal not observed. Succinea canipestris, Say. Shell yellowish-white or yellowish horn-color, rounded-ovate; peri- ostraca shining, wrinkled ; whorls 3, not oblique, the ^"^ *^^- last whorl large and ventricose, the other two consti- yr-^^ ^-rjjv luting the spire; spire short, with acute apex ; aper- '^/'^^ ture ample, not much elongated, rounded anteriorly; peristome thin and sharj). Length, 15"""; of aperture, suennea campestris. 10""". Succinea campestris. Say, Journ. Acad. Nat. Sci. Pbila., i, 281 (1817); Nlch. Encycl., ed. 3 (1819); Bixney's
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