August 1, 1959. 18. Conspecificity of two pocket mice, perognathus goldmani and P. artus.
"A Review of the Middle American Tree Frogs of the Genus Ptychohyla"
William E. Duellman
Active molt was evident on adults taken on June 19, 26, and 28. Our specimens are intergrades between perognathus fasciatus fasciatus and the paler P. f.
"Mammals of Northwestern South Dakota"
Kenneth W. Andersen
perognathus flavescens flavescens Merriam.
"Distribution of Some Nebraskan Mammals"
J. Knox Jones