File:Natural history (1907) (14591098767).jpg

Identifier: cu31924012490797 (find matches)
Title: Natural history
Year: 1907 (1900s)
Authors: National Antarctic Expedition, 1907-1904 Fletcher, Lazarus, Sir 1854-1921 Bell, F. J. (Francis Jeffrey), 1855-1924 British Museum (Natural History)
Subjects: Geology Zoology Botany
Publisher: London, Printed by order of the Trustees of the British Museum
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN

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0). Pig. 3.—Vertical section of an oscule ( x 10). Fig. 4.—Vertical section of cortex ( x 25). Fig. 5.—Flagellated chambers, apopyles opening into beginning exhalant canal (x 160). Fig. 6.—Collar cells ( x 1600).—The section shows the cut edges of the concrescent collars of the collarcells ; the diffused coloration beneath these cut edges apparently represents SoUass membrane torndown in the course of section cutting. The material from which the section was cut was deep blackfrom the effects of osmic acid, and was not good from a histological point of view. Fig. 7.—Large somal oxea (x 100). Fig. 8.—Choanovsomal oxea ( x 100). Fig. 9.—Anatriaene with bend in cladi (x 100). Fig. 10.—Anatriaene with uniformly curved cladi (x 100). Figs. 11, 12.—Protriaenes. Fig. 13.—Trichodal protriaene (x 100). Pig. 14.—Sigmata (x 700) ; 14a, the same (x 1400). PiG. 15.—Ginachyra vertex var. monticularis, n. var., nat. size, p. 11. Fig. 16.—Oscular chimney of the same (x 10).
Text Appearing After Image:
Ant ar c Lie (Di s c overy) Exp. Sponges PI 10 P-Highlf y London PLATE XI. Fig. 1.—Ginachyra vertex var. monticularis, two porocalycal monticules (x 10). Fig. 2.—One, ditto clarified and lightly stained ( X 20). Fig. 3.—Vertical section of a monticule (x 20). Fig. 4.—Craniella leptoderma (Sollaa), nat. size, p. 4. Fig. .5.—A smaller specimen of the same, nat. size. Fig. G.—Tangential section of surface (x 100). Fig. 7.—Vertical section (x 15). Fig. 8.—Cortical oxea (x 100). Fig. 9.—Anatriaene (x 100). Fig. 10.—Another kind of anatriaene ( x 100). Fig. 11.—A third kind of anatriaene (x 100). Fig. 12.—Distal end of protriaene from root-tuft (x 100). Fig. 13.—Trichodal protriaene (x 100). Fig. 14.—Sigmata (x 700) ; 14a, the same (x 1400). /^^ifi\,

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