. Mollusca ... p. 195,pi. 2, fig. 9 ; Godwin-Austen (Eurychlamys), Mol. Ind. ii, 1899,p. 90, pi. 84, figs. 1-1 e (animal and anatomy).Nanina (Microcystina) perrotteti, Peile, Jour. Bomb. N. H. Soc. xi,p. 134 (1897) : nee Pfeiffer. Shell openly perforate, conoidly depressed, thin, smooth,polished, translucent, fulvous horny; spire low, convexly conoidal,apex obtuse, suture scarcely impressed, almost flat; whorls 5,slightly convex, the last rounded at the periphery, convex beneath ;aperture oblique, subovately lunate ; peristome thin, outer marginsinuate, basal straight, columellar oblique, slig
. Mollusca ... p. 195,pi. 2, fig. 9 ; Godwin-Austen (Eurychlamys), Mol. Ind. ii, 1899,p. 90, pi. 84, figs. 1-1 e (animal and anatomy).Nanina (Microcystina) perrotteti, Peile, Jour. Bomb. N. H. Soc. xi,p. 134 (1897) : nee Pfeiffer. Shell openly perforate, conoidly depressed, thin, smooth,polished, translucent, fulvous horny; spire low, convexly conoidal,apex obtuse, suture scarcely impressed, almost flat; whorls 5,slightly convex, the last rounded at the periphery, convex beneath ;aperture oblique, subovately lunate ; peristome thin, outer marginsinuate, basal straight, columellar oblique, slightly expandedthroughout, more broadly above. Major diam. 11, min. 9^, height 6^ mm. (a large specimenmeasures 14 x 12 X 6| mm.). Hab. Bombay and neighbourhood. A variety larger and with a lower spire occurs at Champanir,near Broach. A shell measures 16xl3|x7 mm.; others areeven larger. The animal is dark grey and has remarkably broad shell-lobes,which cover a great part of the spire, sometimes nearly the fmt^ [Fig. 65.—Ewyolilamys platychlamys. A. Animal with shell removed, viewed from both the right and left sides, showing the shell- and dorsal lobes, x 45 B. Shell. X 2-4. 0. Jaw. x 12. D. Different parts of the genitalia, x 4o and X 12. Eurychlamys regulata. E. Animal (spirit-specimen), seen from right side. X 34. Bight shell-lobe turned down, showing inside Ditto. X 2-5. Showing position of right shell-lobe in Shell. X 2-4. G. Lobes of the mantle. X 3. H. The penis. X Jaw and teeth of the radula. x 12 and x 368,1 190 zonitidjE. when extended. Left dorsal lobe bifid, the posterior portionnarrow. Mucous gland with a small rounded overhanging lobeabove. Poot long and narrow, the sole divided into median andmarginal areas. In the genitalia the male organ is a simple, short,bulbous sheath, the retractor muscle is attached to the side, with-out any caecum, and the vas deferens enters at a short distancefrom the retractor without distinct kale-sac.
Size: 1273px × 1964px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublish, booksubjectmollusks
