The middle Triassic marine invertebrate faunas of North America
By: by James Perrin Smith.
Series: U. S.  Geological Survey.  Professional paper 83
Publisher: Govt. Print. Off.
Published: 1914
Place of publication: Washington
Language: eng
Number of pages: 254
Subjects: Paleontology -- Triassic.; Paleontology -- North America.
Notes: Bibliography: p. 20-23.
Issued also as House Doc. 587, 63d Cong., 2d sess.
Plates printed on both sides of leaves.
Includes index.