NOVEMBER, 1921 
No. 4 
Vol. 2 
JOURNAL OF 
MAMMALOGY 
Published Quarterly by the American Society of Mammalogists 
CONTENTS 
On the Habits of ,Trichosurus vulpecula Frederic Wood Jones 187 
The Occurrence of, a Sternal Gland in Orang-utan Adolph H. Schultz 194 
Some Observations on Beaver Culture with Reference to the National Forests 
Smith Riley 197 
A Tree-climbing Woodchuck Harold St. John 207 
On Three New Mammals from Japan - Nagamichi Kuroda 208 
A New Pinniped from the Upper Pliocene of California Remington Kellogg 212 
A Review of Some Recent Work on the Mammalian Reproductive Cycle 
George W. Corner 227 
Two New Rodents from Oregon and Nevada E. A. Goldman 232 
General Notes 234 
A Fox Associating with Mountain Sheep on the Kenai Peninsula, Alaska, C. Sheldon; A Wolver- 
ine in a Tree, N . A. Wood; A Mongoose in Kentucky, II. H. T. Jackson; Pribilof Fur Seal on the 
Oregon Coast, S. O. Jewett; Elephant Seals off the Coast of California, J. Rowley; Muskrats in 
Central Europe, T. G. Ahrens; Malformed Hind Foot of the Common Plouse Mouse, J. D. Soper; 
Notes on Napeeozapus, IV. E. Saunders; An Inquisitive Porcupine, H. H. T. Jackson; Graysquir- 
rels and Nuts, E. T. Former Range of Mountain Sheep in Northern California, C. H, Mer- 
riam; Two Mammals New for Ohio, W. F. Henninger; Wild Life and the Motor Car, E. T. Seton . 
Recent Literature 240 
Index 249 
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Entered as second-class matter, November 22, 1919, at the Postoffice, Baltimore, Md., under the Act of March 3, 1879. 
