Scholander, P. F., Vladimir Walters, Raymond Hock, and Laurence Irving

1950a. Body Insulation of Some Arctic and Tropical Mammals and

Birds. _Biological Bulletin_, 99:225-236, 6 figures.

Scholander, P. F., Raymond Hock, Vladimir Walters, Fred Johnson, and

Laurence Irving

1950b. Heat Regulation in Some Arctic and Tropical Mammals and

Birds. _Biological Bulletin_, 99:237-258, 11 figures, 2

tables.