. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. MUSEUM OF COMPARATIVE ZOOLOGY. 187 Zonites laevigatus, Pfeiffer. Rugeli, W. G. B. See Suppl., p. 138. Zonites demissus, Binnet. The variety acerrus has been found near Fort Gibson, Indian Territory, by Mr. Simpson. Zonites ligerus, Sat. A variety Stonei is thus described by Mr. Pilsbry : " From Mr. Witmer Stone I have received a form of Z. ligerus differing from the type in having a concave, broadly excavated base, with comparatively wide umbilicus, collected by him in New Castle Co., Del. The axis in the type is
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. MUSEUM OF COMPARATIVE ZOOLOGY. 187 Zonites laevigatus, Pfeiffer. Rugeli, W. G. B. See Suppl., p. 138. Zonites demissus, Binnet. The variety acerrus has been found near Fort Gibson, Indian Territory, by Mr. Simpson. Zonites ligerus, Sat. A variety Stonei is thus described by Mr. Pilsbry : " From Mr. Witmer Stone I have received a form of Z. ligerus differing from the type in having a concave, broadly excavated base, with comparatively wide umbilicus, collected by him in New Castle Co., Del. The axis in the type is barely perforated ; but in this form it is a millimeter or more wide, and the base around it broadly ; (Nautilus, III. 4, p. 46, Aug., 1889.) Zonites intertextus, Binnet. subplanus, Binnet. See Suppl., p. 139. Zonites inornatus, Sat. sculptilis, Bland. Elliotti, Redfield. limatulus, Ward. capsella, Gould. Lawse, W. G. B. See Suppl., p. 142, Plate II., Fig. E. The name is suggested for the shell figured by me in Vol. V. (Fig. 44) as Z. placentula. Zonites placentula, Shuttleworth. See Suppl., p. 142. Zonites Wheatleyi, Bland. See Suppl., p. 141. Clingham's Peak, N. C. (Hemphill). Zonites petrophilus, Bland. Habersham Co., Ga.; Clarkesville, N. C. (Hemphill). See Suppl., p. 140. Zonites Sterkii, Dall. Shell minute, thin, yellowish translucent, brilliant, lines of growth hardly noticeable, spire depressed, four-whorled ; whorls rounded, base flattened, somewhat excavated about the centre, which is imperforate; aperture wide, hardly oblique, not very high, semilunate, sharp-edged, the upper part of the columella slightly reflected ; upper surface of the whorls roundish, though the spire as a whole is depressed. Greater diam. , Zonites sterkii, , , enlarged, height 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 re
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