On Some Species of Chinese Earthworms With Special Reference to Specimens Collected in Szechwan by Dr. D .C. Graham.

Washington, D. C. Smithsonian Institution, 1939. Pamphlet. 6 x 9 3/4". 101 pp. Tops of some pages still joined. B&w illustrations. Library stamp on cover. Cover marked along bottom front, slightly wrinkled, corners slightly bent. Study of earthworms. Good+. Item #20398

Price: $15.00

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