Importance of rodent groups 1
Investigational methods 2
Identification 3
Description 5
General characters 5
Color 6
Oil gland 6
Measurements and weights 7
Occurrence 7
General distribution 7
Habitat 7
Habits 9
Evidence of presence 9
Mounds 9
Runways and tracks 10
Signals 11
Voice 12
Daily and seasonal activity 12
Pugnacity and sociability 13
Sense developments 14
Movements and attitudes 15
Storing habits 15
Breeding habits 16
Food and storage 18
Burrow systems, or dens 28
Commensals and enemies 33
Commensals 33
Natural checks 34
Parasites 35
Abundance 36
Economic considerations 36
Control 37
Summary 38
Bibliography 40
NOTE.--This bulletin, a joint contribution of the Bureau of Biological
Survey and the Arizona Agricultural Experiment Station, contains a
summary of the results of investigations of the relation of a subspecies
of kangaroo rat to the carrying capacity of the open ranges, being one
phase of a general study of the life histories of rodent groups as they
affect agriculture, forestry, and grazing.