The foraminifera: an introduction to the study of the protozoa . distinguished by its elon-gate-oval form. It is sometimes quite encrustedwith mud, but on removing this the characteristicspicular test is seen beneath. The range in depth ofthis form is very great—from 60to 2,350 fathoms—andit is found in almost every part of the w^orld, thoughnever very common in any sounding. Becent.(Plate 5, fig. G.) Genus Bluiphicloscene^ Vaughan Jennings. Test conical or tent-shaped, composed of spongespicules ; adherent. Aperture probably at the 118 THE FOEAMINIFEEA EXPLANATION OF PLATE 5. Fu


The foraminifera: an introduction to the study of the protozoa . distinguished by its elon-gate-oval form. It is sometimes quite encrustedwith mud, but on removing this the characteristicspicular test is seen beneath. The range in depth ofthis form is very great—from 60to 2,350 fathoms—andit is found in almost every part of the w^orld, thoughnever very common in any sounding. Becent.(Plate 5, fig. G.) Genus Bluiphicloscene^ Vaughan Jennings. Test conical or tent-shaped, composed of spongespicules ; adherent. Aperture probably at the 118 THE FOEAMINIFEEA EXPLANATION OF PLATE 5. Fu;. A. Astrorhiza arenaria, Norman (after Goes), x 5. B. Pelosina rotiindata, Brady. x 10. C. Storthospliccra alhida, Schulze (after Brady). x 10. D. Bendroiolirya racllata, Strethill Wright (after Brady), x S*!*.E, e. Syringamviina fragilissima, Brady. E - nat. size ; e = x 8. F. Pilulina Jeffreysii, Carpenter. x 8. G. Technitella legumen, Norman (after Brady), x Bhaphidoscene conica, Jennings, x 18. I. B((thysipJwnfiliforinis,,vs. x 3. PLATE Family 111. THE FAMILY ASTRORHIZIDiE 121 Example.—B. conica, Jennings, Journ. , ZooL vol. XXV. 1895, p. 320, pi. x. Test conical, height slightly greater than widthat the base. Composed of spicules closely arranged,and pointing from the base to the apex. Base oftest attached by a small amount of whitish, possiblycalcareous, cement. Adherent on Botelliud about 1 mm. From the Faroe Channel at440 fathoms. Beceiit. (Plate 5, fig. H.) Genus Batliij^iplion^ Saes. Test long, cylindrical, slightly tapering; in theform of a straight or curved tube open at both ends. Example.—B. fiUforniis, G. 0. Sars, Forhandl. 1871, p. 251 ; Brady, Eep. Chall. vol. ix. 1884, p. 248, pi. xxvi. figs. 15-20. This species has a very long and narrow tube,often two inches in length. The walls of the testare composed of felted spicules and fine sand. Colourlight grey or white ; sometimes yellowish


Size: 1378px × 1813px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookidforaminifera, bookyear1902