. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. P. Horni. Fig. 79. thin, transparent, prominent ribs, with waving edges and inclined backwards, more like the epidermis than the tex- ture of the shell; whorls 4, the upper ones flattened, the last globose; suture deeply impressed; aperture subcircu- lar ; peristome simple, acute, its columellar extremity sub- reflected. Greater diameter, 1^ mill.; height, ^ mill. Helix asteriscus, Morse, Proc. Bost. Soc, VI. 128 (1857). — W. G. BiNNEY, Terr. Moll., IV. 103, PI. LXXVII. Fig. 9 ; L. & Sh., I. 82, Fi
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. P. Horni. Fig. 79. thin, transparent, prominent ribs, with waving edges and inclined backwards, more like the epidermis than the tex- ture of the shell; whorls 4, the upper ones flattened, the last globose; suture deeply impressed; aperture subcircu- lar ; peristome simple, acute, its columellar extremity sub- reflected. Greater diameter, 1^ mill.; height, ^ mill. Helix asteriscus, Morse, Proc. Bost. Soc, VI. 128 (1857). — W. G. BiNNEY, Terr. Moll., IV. 103, PI. LXXVII. Fig. 9 ; L. & Sh., I. 82, Fig. 145 (1869). — Bland, Ann. N. Y. Lye, VIII. 163, Fig. 8. — Morse, Amer. Nat., I. 546, Fig. 43 (1867). —Gould and Binney, Inv. of Mass., ed. 2, 415 (1870). Planogyra asteriscus, Morse, Journ. Portl. Soc, I. 24, Figs. 50-52, PI. 11. Fig. 5 ; PI. VIII. Fig. 53 (1864). —Tryon, Am. Journ. Conch., II. 263(1866). From Gaspe to the north of Lake Superior, and through New England; it may therefore be considered a species of the Northern p. astfriscus, 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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