Manual of Conchology; Structural And Systematic. With Illustrations of the Species. Second Series: Pulmonata
Manual of Conchology; Structural And Systematic. With Illustrations of the Species. Second Series: Pulmonata
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In our eReader you can find the full English version of the book. Read Manual of Conchology; Structural And Systematic. With Illustrations of the Species. Second Series: Pulmonata Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Manual of Conchology; Structural And Systematic. With Illustrations of the Species. Second Series: Pulmonata
What reading level is Manual of Conchology; Structural And Systematic. With Illustrations of the Species. Second Series: Pulmonata book?
To quickly assess the difficulty of the text, read a short excerpt:
Polydontes Montf., Conch, Syst. ii, p. 154, and of authors.
This section seems to be much more closely allied to Thelidomus and especially Parthena than to Caracolus, and should have been placed in the preceding group. I now place it here because it was omitted in the synopsis of sections on p. 56. The animal has not been observed.
Key to species of Polydontes.
Peristome toothed within, imperator.
Peristome not toothed, Periphery strongly carinated, apoUo, Periphery very obtusely carinated or r...ounded, sobrina.
H. IMPERATOR Montfort. PI. 9, figs. 80-83, 87.
Imperforate or narrowly umbilicate, depressed, heavy, thick, solid, opaque, nearly lusterless, yellow, densely obliquely streaked with light chestnut, and with very numerous but inconspicuous spiral lines of the same above ; surface with rather coarse irregular wrinkles of increment, and under a lens seen to be covered with an -excessively minute decussated sculpture; spire low-conical ; whorls 5 ; body-whorl depressed, carinated, a trifle descending anteriorly ; aperture oblique, bluish-white within ; peristome flesh-colored, very heavy and thick, expanded, its face convex, bearing on the inner margin numerous tubercular teeth ; umbilicus closed by the ex- panded baso-columellar lip or open ; parietal wall bearing a heavy callus.
What to read after Manual of Conchology; Structural And Systematic. With Illustrations of the Species. Second Series: Pulmonata?
You can find similar books in the "Read Also" column, or choose other free books by George Washington Tryon to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Polydontes Montf., Conch, Syst. ii, p. 154, and of authors.
This section seems to be much more closely allied to Thelidomus and especially Parthena than to Caracolus, and should have been placed in the preceding group. I now place it here because it was omitted in the synopsis of sections on p. 56. The animal has not been observed.
Key to species of Polydontes.
Peristome toothed within, imperator.
Peristome not toothed, Periphery strongly carinated, apoUo, Periphery very obtusely carinated or r...ounded, sobrina.
H. IMPERATOR Montfort. PI. 9, figs. 80-83, 87.
Imperforate or narrowly umbilicate, depressed, heavy, thick, solid, opaque, nearly lusterless, yellow, densely obliquely streaked with light chestnut, and with very numerous but inconspicuous spiral lines of the same above ; surface with rather coarse irregular wrinkles of increment, and under a lens seen to be covered with an -excessively minute decussated sculpture; spire low-conical ; whorls 5 ; body-whorl depressed, carinated, a trifle descending anteriorly ; aperture oblique, bluish-white within ; peristome flesh-colored, very heavy and thick, expanded, its face convex, bearing on the inner margin numerous tubercular teeth ; umbilicus closed by the ex- panded baso-columellar lip or open ; parietal wall bearing a heavy callus.
What to read after Manual of Conchology; Structural And Systematic. With Illustrations of the Species. Second Series: Pulmonata?
You can find similar books in the "Read Also" column, or choose other free books by George Washington Tryon to read onlineMoreLess
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