Manual of Conchology Second Series Pulmonata volume Series 2 Vol 15
Manual of Conchology Second Series Pulmonata volume Series 2 Vol 15
George Washington Tryon
The book Manual of Conchology Second Series Pulmonata volume Series 2 Vol 15 was written by author George Washington Tryon Here you can read free online of Manual of Conchology Second Series Pulmonata volume Series 2 Vol 15 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 Vol 15 a good or bad book?
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U. INTERRUPTA (Gundlach). PL 46, figs. 60-64. Shell cylindric, the upper third or half tapering to a rather wide truncation; thin; gray- white; surface lustreless, sculp- tured with close, rounded hollow ribs above (generally in large part broken in adult shells), the ribs becoming weak in the middle or wholly interrupted on the median whorls, per- sisting only as white bosses above and below the suture, on the later whorls; the intervals finely striate. Last whorl rounded below, produced in a ...short, round, somewhat con- tracted neck. Aperture obliquely oval, the peristome nar- rowly reflexed. Internal axis wound round with a stout lamella, rounded at the edge and milled like a coin; it is strongest in the median whorls, becoming lower and more oblique above and below, obsolete in the last whorl, where the axis is slender and straight. Length 12. 3, diam. 3 mm. ; whorls 10%. Length 11. 5, diam. 3. 3 mm. ; whorls 10-13 (P/r. ). Length 14, diam. 3. 3 mm. ; whorls 11. Length 10. 8, diam.
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