A monograph of the foraminiferal family Nonionidae,

Cushman, Joseph A. 1881-1949.

A monograph of the foraminiferal family Nonionidae, by Joseph A. Cushman. - Washington, U.S. Govt. Print. Off., 1939. - 100 p. 20 pl. on 10 l. 29 cm.

At head of title: United States Dept. of the Interior ... Geological Survey.

Includes references.

gs 39000145


Nonionidae

QE75 / .P9 no. 191

557.3

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