Smithsonian Report, 1920. — McAtee. 



Plate I. 



Brewer's Blackbird. 



Killdeer. 



Yellow-Billed Cuckoo. 



Upper figure. This useful shorebird was one of the species prominent in local suppression of out- 

 breaks of the Rocky Mountain locust. 



Lower left. Has helped to extirpate local infestations of the rose weevil and cankerworms. 



Lower right. A highly beneficial bird which is a great destroyer of caterpillars. Has cleared trees 

 of such pests as the tent "caterpillars, walnut caterpillars, and catalpa sphinx. 



