The middle Triassic marine invertebrate faunas of North America,
Smith, James Perrin, 1864-1931.
The middle Triassic marine invertebrate faunas of North America, by James Perrin Smith. - Washington, Govt. Print. Off., 1914. - 254 p. XCIX pl. on 500, fold. tab. 30 cm. - U. S. Geological Survey. Professional paper 83 .
Issued also as House Doc. 587, 63d Cong., 2d sess. Plates printed on both sides of leaves. Includes index.
Bibliography: p. 20-23.
gs 14000478
Paleontology--Triassic.
Paleontology--North America.
QE75 / .P9 no. 83
200 no.83 s
I 19.16:83
The middle Triassic marine invertebrate faunas of North America, by James Perrin Smith. - Washington, Govt. Print. Off., 1914. - 254 p. XCIX pl. on 500, fold. tab. 30 cm. - U. S. Geological Survey. Professional paper 83 .
Issued also as House Doc. 587, 63d Cong., 2d sess. Plates printed on both sides of leaves. Includes index.
Bibliography: p. 20-23.
gs 14000478
Paleontology--Triassic.
Paleontology--North America.
QE75 / .P9 no. 83
200 no.83 s
I 19.16:83