Was the pterophyllum foliage transformed into the leafy blades of dicotyls?
By: by G. R. Wieland.
Publisher: s.n.
Published: 1914
Place of publication: [S.l
Language: eng
Number of pages: 460
Subjects: Dicotyledons.; Leaves.; Plants -- Evolution.
Other titles: American journal of science.
Notes: From the American Journal of Science, Fourth series, vol. XXXVIII, no. 227, November, 1914.

Contributions from the Paleontological Laboratory, Peabody Museum, Yale University, New Haven, Conn. U.S.A.

Cover title.