Browsing by Author "Grossbeck, John A. (John Arthur), b. 1883. Studies of the North American geometrid moths of the genus Pero."
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Item Critical notes on certain Pero species (Lepidoptera, Geometridae). American Museum novitates ; no. 1393(New York : American Museum of Natural History, 1949) McDunnough, James H. (James Halliday), b. 1877.; Grossbeck, John A. (John Arthur), b. 1883. Studies of the North American geometrid moths of the genus Pero.