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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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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Antarctic (D) -jEu^^p. Sponiio^: PI !1 P. Highley.London PLATE XII. Pig. 1.—A. Sphaerotylus antarcticus Kirkp. Nat. size ; p. 16. B. Polymastia invaginata Eirkp. ; p. 15.(Note. The surface pile is, in the natural condition, more upright than in this specimen, where ithas been crushed down.) C. The larger of the two small specimens above C is Sphaerotylus capitatusVosmaer, nat. size ; p. 18 ; the smaller is S. anta/rdicus. Figs. 2, 3.—Sphaerotylus antarcticus, young specimens. Nat. size. Fig. 4.—Portion of another young specimen (x 25). Fig. 5.—Sphaerotylus antarcticus. A spheroidal specimen. Nat. size. Fig. 6.—Style from radiating main fibre (x 100). Fig. 7.—Style from inner cortical tangential layer ( x 100). Fig. 8.—Spherostyle (x 100) ; 8a head of same (x 425). Figs. 9-12.—Heads of various spherostyles (x 425). Fig. 13.—Slender curved choanosomal tyle (x 100). Fig. 14.—Beaded tyle from radial fibres (x 425). Fig. 16.—Curved cortical tyles of outermost layer of

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