. Moluska ... ugurium, BS. (Hélice) A. M. IV. JS. (2) x du 1852, p. 348; PFR. (Helix) Mon. Hel. iii, 1853, p. 636; ID. T. c. iv,1859, p. 124; H. 8F T. (flélix) C. I. 1876, pi. 29, fig. 10; Nev.(Nanina) Hand-l. i, 1878, p. 80; Oodivin-Austen (Macroclilamys),J. A. S. B. 1882 du 2, p. 69, pi. 5, fig. 4; id (Macrochlamys) mol.Ind. i, 1883, pi. 19, fig. 2 (coquille et animal), pi. 20, fig. 3 (détails) ;id e. e. ii, 1907, p. 151, pi. 104, fig. 1-7. Coquille perforée, dépressée conoïde, sublenticulaire, mince, fulvoushorny, terne et étroitement striée au-dessus et plus distancieusement rugate, decusated avec très fin

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. Mollusca ... ugurium, Bs. (Helix) A. M. iV. JS. (2) x, 1852, p. 348; Pfr. (Helix) Mon. Hel. iii, 1853, p. 636; id. t. c. iv, 1859, p. 124; H. 8f T. (flelix) C. I. 1876, pi. 29, fig. 10; Nev.(Nanina) Hand-l. i, 1878, p. 80; Oodivin-Austen (Macroclilamys), J. A. S. B. 1882, 2, p. 69, pi. 5, fig. 4; id. (Macrochlamys) Mol.Ind. i, 1883, pi. 19, fig. 2 (shell and animal), pi. 20, fig. 3 (details) ;id. t. e. ii, 1907, p. 151, pi. 104, figs. 1-7. Shell perforate, depressedly conoid, sublenticular, thin, fulvoushorny, dull and closely striated above and more distantly rugate, decussated with very fine impressed spiral lines, smoother andpoHshed beneath ; spire depressedly conoid, suture scarcely im-pressed ; whorls 6, flatfish, regularly increasing, the last not■descending, angulate at the periphery, convex beneath; aperture 82 ZONITIDiE. oblique, broadly lunate, Aiith rather broad white labiation inside;■peristome in one plane, acute, cohimellar margin curved, slightly-expanded, briefly reflected above.. Fig. 40.—MaeroMaonys Maj. diam. 21|, min. 18J, height 12 mm.Hah. Sikhim, not rare about Darjiling, 4000-7000.[The first two or three whorls of the shell show hardly anysculpture, thence a very finely decussate surface gradually follows, becoming strong towards the aperture ; under a high power thecross-striation produces a close series of papillate dots. Description of the animal. A specimen from Eissom Peak in theBaling District, east of the Teesta, which prior to 1864 formedpart of the Bhutan State (4600 feet), is as follows :—Ochrethroughout, the pedal margin very wide, sole of foot divided intothree equal areas, a very large overhanging lobe at the extremityof the foot. There is a large right shell-lobe and a well-developedleft shell-lobe; the right neck-lobe is small, the left neck-lobe-rather narrow and succeeded after a short interval by anothervery small lobe close up to the left shell-lobe. The roof of therespiratory cavity is mottled sparsely with black. In

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