On fossil cycadean stems from the secondary rocks of Britain
By: by William Carruthers ; read June 18, 1868.
Series: Landmarks of science II
Publisher: R. Taylor
Published: 1870
Place of publication: London
Language: eng
Format: Microform
Number of pages: 708
Subjects: Cycads, Fossil.; Cycads -- Anatomy.
Notes: Includes bibliographical references.

Microfiche. New York, N.Y. Readex Microprint Corporation, [1985?] (Landmarks II)

In Transactions of the Linnean Society of London (London, England : 1804), v. 26 (1870), p. 675-708.