. Bulletin - United States National Museum. Science. ^70 A MANUAL OF AMERICAN LAND SHELLS. Genital system (Terr. Moll., Y, Plate XV, Fig. I) long and slender, especially the ovary and oviduct; vagina long, receiving tbe duct of the genital bladder below its middle, and the sac of the penis still lower down ; penis sac long, tubular, of about same width as the vagina, with a prominent bulb at its apex, into the end of which is inserted the vas deferens ;ind at the side of which the retractor muscle i^ artached; genital bladder moderate, oval, on a duct of about equal length and size as the vagi
. Bulletin - United States National Museum. Science. ^70 A MANUAL OF AMERICAN LAND SHELLS. Genital system (Terr. Moll., Y, Plate XV, Fig. I) long and slender, especially the ovary and oviduct; vagina long, receiving tbe duct of the genital bladder below its middle, and the sac of the penis still lower down ; penis sac long, tubular, of about same width as the vagina, with a prominent bulb at its apex, into the end of which is inserted the vas deferens ;ind at the side of which the retractor muscle i^ artached; genital bladder moderate, oval, on a duct of about equal length and size as the vagina. Polygyia fnsti^aiis L W. Say. Shell rimately perforated, plane above, inflated below, with fold-like F^^ striae above, smoother below, somewhat shining, of a russet horn-color, hirsute; spire flattened; whorls ^, flattened, the last acutely carinated above, very abruptly deflected at the aperture, scrobiculated, constricted, convex below; aperture very oblique, subreniform, very much contracted, tridentate; within the base of the last v^^horl is a small, de- tached, , lounded tubercle; peristome white, reflected, ;i;ans. jts terminations joined by a stout, subtriangular, excavated, deeply entering tooth, the right-hand margin with a stout, deeply seated tooth, the columellar margin with a submarginal smaller tooth. Greater diameter 10, lesser 9'"'"; height, about 4'"'". Polygyrafalifjiata, Say,! N. Harm. Diss., ii, 229 (1829); ed. Binney, 37. Helix fatu/iaia, BixNNey, in Bost. Jouru. Nat. Hist., ill, 388 (1840), ex parte (excl. syu. et tig.); Terr. Moll., ii, 193 (pais), pi. xxxix, fig. 4 (excl. 8yn.).-SHUT- TLEWORTH, Born. Mitt., 1852, 197—Bland, N. Y. Lye, vi, 283. pi. ix, ligs. 17- 20 (18r)8).—W. G. Binne\, Terr. Moll., iv, 82; L. & sii., i, 97, fig. 173 (1869).—Pfeiffer, Mou. Hel. Viv., iv, 318. Helix Texamnia, /?, Pfeiffer, Men. Hel. Viv., i, 418; iii, 2«7; in Chemnitz, ed. 2, i, 86, excl. descr., syu., et fig.—Des
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