Manual of Conchology, Structural and Systematic; With Illustrations of the Species. Pulmonata Volume 3

Manual of Conchology, Structural and Systematic; With Illustrations of the Species. Pulmonata Volume 3

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1887 edition. Excerpt: ... Badung, Prov. Hubei, China. Differs from the next species in being smaller, with more numerous whorls, in the sculpture being alike above and below, and the absence of peripheral fimbriae. H. miJraTa, Heude. Pl. 33, figs. 13-15. Widely umbilicated, opaque above, pellucid below, brownish, with rugose striae above, fimbriated on the peripheral angle; whorls 52, palate with four principal short lamellae, with small denticles above and below, parietal wall with a vertical lamina and five teeth in. front of it. Tchenkeou, China. Subsection II, Plectopylis, Benson, 1860. H. Serica, Austen. Pl. 34, figs. 49-52. Dextral, openly umbilicated, light corneous brown, with oblique narrow bands above, epidermis thin; whorls 7, narrow, the last descending in front; lip white, reflected, continued on the parietal wall, aperture with six palatal teeth, a third of a whorl within, the upper small, a bifurcate lamella on the parietal wall. Diam. 12-5 mill. Burrail Mts., India. H. Oglei, Austen. Pl. 36, figs. 29-31. Dextral, widely umbilicated, pale brown, with close-set sienna brown markings crossing the whorls, epidermis thick, rough, somewhat nacreous; whorls 8, the last slightly descending towards the oblique aperture; peristome slightly reflected, white, continued by a slight parietal callus, there is a single vertical parietal lamina, with buttress-like supports on the posterior side above and below, palatal teeth six, the sixth longer, double. Diam. 16 mill. Near Sadiya, Assam. H. Pinacis. Benson. Pl. 34, figs. 53-55. Sinistral, widely umbilicated, roughly, obliquely plicate-striate above, with close spiral line, below with flexuous oblique, decussated by. spiral strife, corneous, under a dark scabrous epidermis; whorls 7J, narrow, slowly increasing, more

Product details

  • Paperback | 108 pages
  • 189 x 246 x 6mm | 209g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236498208
  • 9781236498205