p. 71-74,  leaves of plates in various foliations ; ill. : 30 cm
Connecticut River Valley
At head of title: "Art. VII."
Excerpted from the Journal of the Academy of Natural Sciences of Philadelphia, 2nd ser., v. 2 (1850-1854).
The leaves of plates are numbered 8 and 9.
The plates are signed: On stone by J. Deane; T. Sinclair's lith. Phila.
Also available online.
SCNHRB copy has stamp: Vertebrate Paleontology, U.S. National Museum, Smithsonian Institution National Museum.
SCNHRB copy is bound with: Deane, J. Illustrations of fossil footprints of the Valley of the Connecticut. [Boston : American Academy of Arts and Sciences, 1849] -- Deane, J. On the sandstone fossils of Connecticut River. [Philadelphia : Academy of Natural Sciences of Philadelphia, 1856?] -- Lea, I. On the fossil foot-marks in the red sandstone of Pottsville, Pennsylvania. [Philadelphia : Printed for the author, 1852]. Bound together subsequent to publication.
SCNHRB copy has an old black half-leather binding with mottled paper boards, raised bands, and a gilt-lettered spine.