Introduction 1
Necessity for control of wild-animal pests. 1
Control functions of the Bureau of Biological Survey 2
Legal authorization for control work 2
Instructions previously issued 3
Animals on the control program 3
The injurious rodents 3
The predatory animals 3
Other forms subject to control 4
Instructions regarding field practices 4
The objective 4
Conservation, State laws, and cooperation 4
Precautions in handling poisons 4
Rodent-control operations 6
Predatory-animal control 6