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Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 by Various Authors

Book Name:
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6
Book info:
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 Foraminifera to Fox, Edward by Various Authors
Book Size:
173,359 / 539 pg
Mnybks.net:
31116
Publisher:
Date of Addition:
1911
Copyright Date:
1911
Copyrighted By:
Various Authors from
Adult content:
No
Language:
English
Categories:
Grade Levels:
AE
Submitted By:
Admin
NIMAC:
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 Foraminifera to Fox, Edward by Various Authors is a free eBook downloads for your Kindle, iPad/iPhone, computer, smart phone or ereader.

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Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 by Various Authors description:

Excerpt
> Orbitolites (figs. 5, 6) we have a centre on a somewhat Milioline type; and after a few chambers in spiral succession, complete circles of chambers are formed. In the larger forms the new zones are of greater height, and horizontal bulkheads divide the

chamberlets into vertical tiers, each with its own pylomic pore.

[Illustration: FIG. 4.–Modifications of Peneroplis. 1, Dendritina; 2, Eu-Peneroplis.]

[Illustration: FIG. 5.–Shell of simple type of Orbitolites, showing primordial chamber a, and circumambient chamber b, surrounded by successive rings of chamberlets connected by circular galleries which open at the margin by pores.]

[Illustration: FIG. 6.–Animal of simple type of Orbitolites, showing primordial segment a, and circumambient segment b, surrounded by annuli of sub-segments connected by radial and circular stolon-processes.]

The Cheilostomellidae (fig. 3, 13) reproduce



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