. Bulletin - United States National Museum. Science. EASTERN PROVINCE—SOUTHERN REGION SPECIES. 353 This is i)r(> the species described many years ago by Mr. Say as Helix luruhrata, from Mexico. Specimens so labeled by one of the earliest curators of conchology at the Philadelphia Academy of Nat- ural Sciences agree perfectly with specimens of caducus received from Dr. PfeifFer. Should 1 prove correct in my judgment, Say's name will take priority. Zoiiites 4'ei'inoideiis, Anthony. Shell perforated, globosely flattened, shining, light horn-color, scarcely wrinkled by lines of growth ; w
. Bulletin - United States National Museum. Science. EASTERN PROVINCE—SOUTHERN REGION SPECIES. 353 This is i)r(> the species described many years ago by Mr. Say as Helix luruhrata, from Mexico. Specimens so labeled by one of the earliest curators of conchology at the Philadelphia Academy of Nat- ural Sciences agree perfectly with specimens of caducus received from Dr. PfeifFer. Should 1 prove correct in my judgment, Say's name will take priority. Zoiiites 4'ei'inoideiis, Anthony. Shell perforated, globosely flattened, shining, light horn-color, scarcely wrinkled by lines of growth ; whorls 7, hardly con- fig. asi. vex, the last slightly inflated below ; aperture oblique, sub- circular; ])eristome simple, acute, its ends joined by a light callus. Greater diameter 7, lesser G"'"; height, 3°™. Helix, cerinoidea, Anthony, Am. Journ. Conch , i, 351, pi. xxv, fig. 4 (Oc- tober, 1865). Meeomphix cerinoidea, Tryon, Am. Jouni. Couch., ii, 255, pi. iv, fig. 3fi noideus. (1866). Hyalina cerinoidea, \V. G. Binney, L. & Sh., i, 30, fig. 30 (1869). Zonites cerinoideufi, W. G. Binney, Terr. Moll., v. 111. Jacksonville, Fla.; Charleston, S. C; Newberne, N. C; Norfolk, Va. It may be a species of the Florida Subregion, thence ranging northward along the Atlantic coast. The specimen figured was loaned by Mr. Anthony. Animal with mucus pore, longitudinal furrows, and locomotive disk characteristic of the genus. Jaw as usual in the genus. Lingual membrane with 34-1-34 teeth; 9 perfect laterals (Terr. Moll., Y, J^late III, Fig. B). Genitalia with dart and sac as in Z. Ugerus. Zonites Oimdlaclii. Pfeiffer. Shell perforated, depressed-conic, rather solid, pale rusty-brown, striated with numerous faint lines of growth; si)ire ele- fig. 382. vated, having about five closely revolving, well-rounded whorls, separated by a very deep suture; periphery rounded; base convexly rounded and excavated around a small, deep perforation; aperture nearly circular, inter-
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