Vol. 1 NOVEMBER, 1920 No. 5 
JOURNAL OF 
MAMMALOGY 
Published Quarterly by the American Society of Mammalogists 
CONTENTS 
PAGE 
Notes on Heude’s Bears in the Sikawei Museum, and on the Bears of Palaearctic 
Eastern Asia. Arthur de Carle Sowerby 213 
Notes on Wood Rat Work Edward R, Warren 233 
An Insular Race of Cotton Rat from the Florida Keys Glover M. Allen 235 
Description of a New Species of Beach Mouse from Florida Arthur H. Howell 237 
General Notes 240 
Attecked by a Cougar? W. H. Osgood; The Jaguar in Colorado, E. T. Seton; Diurnal Nest- 
building by a Wood Rat, H. H. T. Jackson; A Second Record of Phenacomys albipes in Cali- 
fornia, with a Discussion of the Species, A. B. Howell; Notes on Flying Squirrels and Gray 
Squirrels, D. Lange; Dates of Shedding of Horns, N. Holliszer. 
Recent, Literature 245 
Editorial Comment 250 
Index to Volume 1 253 
PUBLISHED AT 
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BALTIMORE, MARYLAND 
WILLIAMS & WILKINS COMPANY 
BALTIMORE, U. S. A. 
Entered as second-class matter, November 22, 1919, at the Postoffice, Baltimore, Md., under the Act of March 3, 1879. 
