Manual of Conchology Second Series Pulmonata volume Series 2 Vo 17
Manual of Conchology Second Series Pulmonata volume Series 2 Vo 17
George Washington Tryon
The book Manual of Conchology Second Series Pulmonata volume Series 2 Vo 17 was written by author George Washington Tryon Here you can read free online of Manual of Conchology Second Series Pulmonata volume Series 2 Vo 17 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Manual of Conchology Second Series Pulmonata volume Series 2 Vo 17 a good or bad book?
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8. 5 mm. ; aperture 7 mm. Long, 4. 5 wide (Smith). 18. P. INTROVERSA (Smith). PL 61, fig. 94. Shell elongate, acuminate above, narrowly rimate, hardly 170 PSEUDOGLESSULA. Shining, thin, greenish-corneous. Apex turned downwards; whorls 7, the first two or three rather strongly costulate, the rest rather convex, obliquely striate, the last whorl encircled with an obsolete keel around the middle. Aperture ovate, slightly exceeding one- third the total length; peristome thin, the columellar margin ...rather widely dilated, reflexed over the umbilical crevice, and towards the base obliquely subtrun- cate or plicate within. Length 16, diam. 7 mm. , aperture 6 mm. Long, 4 wide (Smith). East Africa: Mamboya, at an elevation of 4000 to 5000 ft. (Last). Bulimus (Cerastus ?) introversus SMITH Ann. And Mag. N. H. (6), vi, p. 155, pi. 5, f. 11. Pseudoglessula introversa MARTENS, Beschalte Weichthiere p. 116. ' * The resemblance in form and the faint raised line around the body- whorl recall to mind the typical form of Subulina subcarinifera.
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