. Annals of the Lyceum of Natural History of New-York. Science. Notes on certain Terrestrial Mollusca. 157 III. Prosekpinella, nov. gen. T. depressa, lsevigata, utrinque callo nitido obducta ; paries aperturalis lamina 1 munitus; apertura lunaris; perist. sim- plex, rectum. Proserpinella Berendti, nov. sp. T. depressa, tenuis, nitida, albida; spira brevissime elevata; sutura vix impressa, submarginata; anfr. 4, sensim accres- FlG- 2- centes, ultimus latior, convexiusculus, basi convexior, juxta columellam excavatus ; apertura parum obliqua, lunaris, unidentata, dente lamelliformi vix prominent
. Annals of the Lyceum of Natural History of New-York. Science. Notes on certain Terrestrial Mollusca. 157 III. Prosekpinella, nov. gen. T. depressa, lsevigata, utrinque callo nitido obducta ; paries aperturalis lamina 1 munitus; apertura lunaris; perist. sim- plex, rectum. Proserpinella Berendti, nov. sp. T. depressa, tenuis, nitida, albida; spira brevissime elevata; sutura vix impressa, submarginata; anfr. 4, sensim accres- FlG- 2- centes, ultimus latior, convexiusculus, basi convexior, juxta columellam excavatus ; apertura parum obliqua, lunaris, unidentata, dente lamelliformi vix prominente intrante in pariete aperturali; perist. simplex, rec- tum. Shell depressed, thin, sinning, white; spire very little elevated ; suture scarcely impressed, sub margin ate ; whorls 4, gradually increasing, Proserpinella Berendti , , . , , Bland. the last broader, rather convex, more convex at the base, excavated near the columella; aperture oblique, lunate, with 1 little elevated lamelliform tooth on the parietal wall; perist. simple, straight. Diam. maj. 2-3; min. 2£; alt. 1£ mill. Habitat.—Mirador, Atlantic slope, 3000 to 4000 feet eleva- tion, Mexico. Dr. Berendt! Remarks.—This species is most nearly allied in form to Pro- serpina depressa Orb., or a small example of P. nitida Sowb., but it is readily distinguished from them by its slightly deve- loped parietal lamina and the absence of the columellar Stenopus ? Guildingi, nov. sp. T. perforata, depressa, tenuis, subtilissime striatula, nitida, diaphana, corneo-succinea; spira planiuscula; anfr. 4 celeriter accrescentes, vix. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lyceum of Natural History (New York, N. Y. ). New-York :
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