Additional Data on Variation in the Prairie Deer-Mouse, Peromyscus maniculatus Bairdii. / Variation in the Wood-Mouse, Peromyscus leucopus noveboracensis, in the northeastern United States.
Ann Arbor 1937. 20 + 32 pp. (Occasional Papers of the Museum of Zoology, 351-2.) Good copies. [A4515]
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