Notes on the lower Helderberg rocks of Port Jervis, N.Y., with description of a new pteropod
By: By Dr. S.T. Barrett ...
Series: [Geological pamphlets. Paleontology -- v. 465-492; [Geological pamphlets -- v. 465-492.
Published: [n.d.]
Place of publication: N.p
Language: eng
Subjects: Paleontology
Notes: Cover title.

Reprinted from the Annals of the Lyceum of Natural history, N.Y., vol. XI, November, 1876.