Papers On Mollusca of Japan volume 2
Papers On Mollusca of Japan volume 2
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In our eReader you can find the full English version of the book. Read Papers On Mollusca of Japan volume 2 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 Papers On Mollusca of Japan volume 2
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Principal plica visible in the throat, extending past the middle of the right side. Upper and lower palatal plicce quite small, no lunella between them.
Length 13. 5, diam. 2. 7 mm.
Clausilium wide below, somewhat thickened at the apex, but angular there, almost mucronate, by reason of an excavation of the palatal side near the apex. The margins converge somewhat up- ward, and it is excised on the columellar side of the filament.
Garukawa, 10 miles from Sapporo, Ishikari, island of Yesso; colle...cted by Mr. Paul Rowland, and communicated to me by Mr. Addison Gulick.
Similar to C. Subaculus in the low, cord-like superior lamella continuous with the spiral lamella, but conspicuously distinct by its narrowly pear-shaped aperture, more slender contour, the reduction of the palatal plicae and the angular apex of the clausilium. C. Monelasmus, of Ojima province, Yesso, is a smaller species with no superior lamella, there being only a marginal thickening of the peristome in its place.
The shape of the mouth readily distinguishes this from all Japanese Euphcedusce.
What to read after Papers On Mollusca of Japan volume 2?
You can find similar books in the "Read Also" column, or choose other free books by Henry Augustus Pilsbry to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Principal plica visible in the throat, extending past the middle of the right side. Upper and lower palatal plicce quite small, no lunella between them.
Length 13. 5, diam. 2. 7 mm.
Clausilium wide below, somewhat thickened at the apex, but angular there, almost mucronate, by reason of an excavation of the palatal side near the apex. The margins converge somewhat up- ward, and it is excised on the columellar side of the filament.
Garukawa, 10 miles from Sapporo, Ishikari, island of Yesso; colle...cted by Mr. Paul Rowland, and communicated to me by Mr. Addison Gulick.
Similar to C. Subaculus in the low, cord-like superior lamella continuous with the spiral lamella, but conspicuously distinct by its narrowly pear-shaped aperture, more slender contour, the reduction of the palatal plicae and the angular apex of the clausilium. C. Monelasmus, of Ojima province, Yesso, is a smaller species with no superior lamella, there being only a marginal thickening of the peristome in its place.
The shape of the mouth readily distinguishes this from all Japanese Euphcedusce.
What to read after Papers On Mollusca of Japan volume 2?
You can find similar books in the "Read Also" column, or choose other free books by Henry Augustus Pilsbry to read onlineMoreLess
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