File:Polycystins, figures of remarkable forms &c. in the Barbados chalk deposit (chiefly collected by Dr. Davy, and noticed in a lecture delivered to the Agricultural Society of Barbados, in July, 1846) (14757867162).jpg

Identifier: polycystinsfigur00bury (find matches)
Title: Polycystins, figures of remarkable forms &c. in the Barbados chalk deposit (chiefly collected by Dr. Davy, and noticed in a lecture delivered to the Agricultural Society of Barbados, in July, 1846)
Year: 1869 (1860s)
Authors: Bury, Edward, Mrs Cooke, M. C. (Mordecai Cubitt), b. 1825
Subjects: Protozoa, Fossil Radiolaria Polycystida, Fossil
Publisher: London : W. Wheldon
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
nce on parts of other specimens, andon spines which have become bulbous at the ends. No innerweb discernible through these windows. 9 & 10.—Beautiful little siliceous stars. Cambridge, Barbados. 11.—An extraordinary silicified east of the septal lines and primordialsegment, with part of the interior of a Textilaria; in a slide fromSpringfield, Barbados. Dr. Da\-y. That the original carbonateis changed to silex is proved, not only by its having resistedthe treatment with strong acids and alkalis used in preparingthe Barbados earths lor the microscope, but also that no colourwas shewn vmder the strong Polarizing apparatus of po^^•eJ■fulmicroscopes; and the process of such a change is perfectly ex-plamed by Professor Ehrenbergs account of the infiltration ofsiUcate of iron into some of the Foraminifera, gi\ing thus per-fectly preserved casts of the inside of the shells*; this specimenmeasures .0131 iu length. *Note. Ueber don Grun.sand, uiid seine; Erlautcrung. Berlin, 18-56.
Text Appearing After Image:
TY PLATE XXII. FIG. 1.—Haliomma, shewing traces of tlie Sarcode.2.—Haliomma, with strong thorny spines.3.—Eucp-ticlium, with shell much thickened. 4.—Tlie inside portion of Ehrenbergs Stephanastrum rhombus, withthe investing web, and the edge or border broken aw^ay, or be-come obsolete. Many examples of this in Mr. Mansfield BrownesBarbados slides. 5 & 6.—Varieties of Rhabdolithes spectrum of Ehrenberg. 7.—Probably an arm of a Stephanastrum. 8.—An elongated variety of Eucyitidium tubulus, or Eucyrtidiumelegans of Ehrenberg.

Note About Images