. Bulletin - United States National Museum. Science. EASTERN PROVINCE INTERIOR REGION SPECIES. 309 Lingu;il membrane (Terr. Moll, V, Plate XVI, Fig. E) Avitb 40-1-40 teeth. Genitalia unobserved. IVIe*iiO<toBi exoleftas, Binney. Shell imperforate, convex, somewhat ventricose; epidermis of a uni- form yelh)wish horn or russet color; whorls be- 331. tween 5 and <», with fine parallel stria? crossing them obliquely; body-whorl large and ventrieose; suture well marked and distinct; aperture rounded, contracted by the peristome, the plane of the aper- ture making a considerable angle with
. Bulletin - United States National Museum. Science. EASTERN PROVINCE INTERIOR REGION SPECIES. 309 Lingu;il membrane (Terr. Moll, V, Plate XVI, Fig. E) Avitb 40-1-40 teeth. Genitalia unobserved. IVIe*iiO<toBi exoleftas, Binney. Shell imperforate, convex, somewhat ventricose; epidermis of a uni- form yelh)wish horn or russet color; whorls be- 331. tween 5 and <», with fine parallel stria? crossing them obliquely; body-whorl large and ventrieose; suture well marked and distinct; aperture rounded, contracted by the peristome, the plane of the aper- ture making a considerable angle with the plane of ^- exouius. the base; peristome thickened, white, reflected, its basal portion sub- dentate ; parietal wall with a prominent, white, oblique tooth; um- bilicus covered. Greater diameter 28, lesser 23"""; height, 17'"". HtUx cxoleia, Binney, Terr. Moll., ii, 131, pi. x.—Leidy, T. M. U. S., 256, pi. x, figs. 1-3, auat.—De Kay, N. Y. Moll., 27, pi. ii, tig. 6.—W. G. Binney, Terr. Moll., iv, 54 ; L. & Sli., i, 144 (1869). Helix zalela, Binney, Bost. Jouru. Nat. Hist., i, 492, pi. xx.—Mrs. Gray, Fig. Moll. All., pi. cxci, fig. 9, from Bost. Jonrn., no descr.—Pfeiffer, Mod. Hel. Viv., i, 316.—Deshayes, in Feh., i, 139.—Reeve, Con. Icon., No. 622 (1852). JJelix aJbolahris, var., Ferussac, pi. xlvi, a, fig. 6.—Pfeiffer, Symb., ii, 22, no descr.; in Chemnitz, ed. 2, i, 81, pi. x, figs. 19, 20. Mcsodon exoleia, Tryon, Am. Journ. Couch., iii, 39 (1867).—W. G. Binney, Terr. Moll., V, 326. A Post-Pliocene species, now found in the Interior Eegion, from Western TsTew York and Pennsylvania to Missouri, from Georgia and Alabama to Illinois. Animal grayish brown or blackish above, paler on the posterior ex- tremity and base; eye-peduncles black, long and slender; glands very prominent; length, when fully extended, including the eye-pedun- cles, equal to thrice the breadth of the shell. (See Bost. Journ. Nat. Hist., I, Plate IX
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