Monograph of the Shallow Water Starfishes of the North Pacific Coast From the Ar
Monograph of the Shallow Water Starfishes of the North Pacific Coast From the Ar
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In our eReader you can find the full English version of the book. Read Monograph of the Shallow Water Starfishes of the North Pacific Coast From the Ar 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 Monograph of the Shallow Water Starfishes of the North Pacific Coast From the Ar
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To quickly assess the difficulty of the text, read a short excerpt:
A five-rayed species with long, gradually tapered, convex rays, covered with long, tapered, well spaced spines and with a multitude of remarkably large, unguiculate minor pedicellariae in large cir- cumspinal wreaths.
The largest specimen (No. 1823) has the radii 20 mm. And 215 mm. ; ratio, i: 10. 75. Another from the same place has them ii mm. And 116 mm. ; ratio, 1 : 10. 50. A third specimen (No. 1431) is intermediate in size.
The dorsal spines stand mostly in three pretty regular rows, one t...o a plate, but usually with an imperfect, more lateral row on each side proximally. They are elongated, up to 6 mm. , tapered, terete, obtuse or subacute, nearly smooth, not fluted, surrounded basally by very broad, loose wreaths of notably large, sharply unguiculate minor pedicellariae. The superomarginal spines are similar, rather longer, one to a plate, in a regular row, rather low down on the side.
The inferomarginals are still larger, up to 8 mm. On the larger specimen, placed two to a plate, pretty near the adambulacrals.
What to read after Monograph of the Shallow Water Starfishes of the North Pacific Coast From the Ar?
You can find similar books in the "Read Also" column, or choose other free books by A E Addison Emery Verrill to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
A five-rayed species with long, gradually tapered, convex rays, covered with long, tapered, well spaced spines and with a multitude of remarkably large, unguiculate minor pedicellariae in large cir- cumspinal wreaths.
The largest specimen (No. 1823) has the radii 20 mm. And 215 mm. ; ratio, i: 10. 75. Another from the same place has them ii mm. And 116 mm. ; ratio, 1 : 10. 50. A third specimen (No. 1431) is intermediate in size.
The dorsal spines stand mostly in three pretty regular rows, one t...o a plate, but usually with an imperfect, more lateral row on each side proximally. They are elongated, up to 6 mm. , tapered, terete, obtuse or subacute, nearly smooth, not fluted, surrounded basally by very broad, loose wreaths of notably large, sharply unguiculate minor pedicellariae. The superomarginal spines are similar, rather longer, one to a plate, in a regular row, rather low down on the side.
The inferomarginals are still larger, up to 8 mm. On the larger specimen, placed two to a plate, pretty near the adambulacrals.
What to read after Monograph of the Shallow Water Starfishes of the North Pacific Coast From the Ar?
You can find similar books in the "Read Also" column, or choose other free books by A E Addison Emery Verrill to read onlineMoreLess
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