Vol. 1 
FEBRUARY, 1920 
No. 2 
JOURNAL OF 
MAMMALOGY 
Published Quarterly by the American Society of Mammalogists 
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CONTENTS page 
Migrations of the Graysquirrel .Ernest Thompson Setori 53 
An Apparent Effect of Winter Inactivity upon Distribution of Mammals 
Hartley H. T. Jackson 58 
The Florida Water-Rat in Okefinokee Swamp Francis Harper 65 
For a Methodic Study of Life-Histories ^ Ernest Thompson Seton 67 
Identity of the Bean Mouse of Lewis and Clark Vernon Bailey 70 
A New Fossil Rodent from the Oligocene of South Dakota 
Gerrit S. Miller, Jr., and James W. Gidley 73 
The Status of Pennant's Mexican Deer Wilfred H. Osgood 75 
A New Race of the Florida Water-Rat Arthur H. Howell 79 
New Rodents and New Bats from Neotropical Regions H. E. Anthony 81 
General Notes 87 
Red Bat and Spotted Porpoise off the Carolinas, J. T. Nichols; The Coyote not Afraid of Water, 
H. C. Bryant; The Florida jotted Skunk as an Acrobat, A. H. Howell; The Felis ocelot of Ham- 
ilton Smith, W. H. Osgood; On Gueldenstaedt’s Names of Certain Species of Felidae, J. A. Allen; 
The Wood Rat as a Collector, W. P. Taylor; Novel Nesting Place of the Red-backed Mouse, 
W. P. Taylor; Range of the Hoary Marmot in Montana, A. A. Saunders; Rodent Mountaineers, 
W. P. Taylor; Does the Cuterebra ever Emasculate its Host, E, T. Seton; Flying Squirrel as a 
Bird Killer, H. L. Stoddard; Technical Names of two Colobus Monkeys, J. A. Allen. 
Recent Literature 97 
Correspondence 104 
Editorial Comment 108 
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Entered as second-class matter, November 22, 1919, at the Postoffice, Baltimore, Md., vmder the Act of March 3, 1879. 
