Eocene Mollusca From Nigeria
Eocene Mollusca From Nigeria
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In our eReader you can find the full English version of the book. Read Eocene Mollusca From Nigeria 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 Eocene Mollusca From Nigeria
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Type Cryptostomus leachi, de Blainville. This type is stated in the 181 8 memoir to be among the spirit specimens at the British Museum.
58 R. BULLEN NEWTON on Family CAPULID^. Crepidula falconer!, sp. Nov. PLATE 2, figs. 13, i3a.
DESCRIPTION. Shell sub-oval, convex, labial side depressed and sub-vertical, opposing side inflated ; nucleus forming a minute post ero- lateral spiral composed of two volutions well divided from the peritreme ; surface striated concentrically and periodically ridged,... obscurely and microscopically tessellated, and possessing indistinct radial striations ; aperture oval, extensive, concave, porcellanous, provided with a thin, continuous and rather undulating peritreme, a prominently arched and well sunken septum, having beneath its lateral terminations a pair of oval and concentrically marked muscular scars which are united by a rounded or horse-shoe shaped connexus hidden by the septum.
DIMENSIONS.
Adult Young Alt. ... ... ... ... 43 ... 9 millimetres Lat 27 ...
What to read after Eocene Mollusca From Nigeria?
You can find similar books in the "Read Also" column, or choose other free books by Richard Bullen Newton to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Type Cryptostomus leachi, de Blainville. This type is stated in the 181 8 memoir to be among the spirit specimens at the British Museum.
58 R. BULLEN NEWTON on Family CAPULID^. Crepidula falconer!, sp. Nov. PLATE 2, figs. 13, i3a.
DESCRIPTION. Shell sub-oval, convex, labial side depressed and sub-vertical, opposing side inflated ; nucleus forming a minute post ero- lateral spiral composed of two volutions well divided from the peritreme ; surface striated concentrically and periodically ridged,... obscurely and microscopically tessellated, and possessing indistinct radial striations ; aperture oval, extensive, concave, porcellanous, provided with a thin, continuous and rather undulating peritreme, a prominently arched and well sunken septum, having beneath its lateral terminations a pair of oval and concentrically marked muscular scars which are united by a rounded or horse-shoe shaped connexus hidden by the septum.
DIMENSIONS.
Adult Young Alt. ... ... ... ... 43 ... 9 millimetres Lat 27 ...
What to read after Eocene Mollusca From Nigeria?
You can find similar books in the "Read Also" column, or choose other free books by Richard Bullen Newton to read onlineMoreLess
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