1912.] 



NATURAL SCIENCES OF PHILADELPHIA. 



349 



which live under the bark of rotting trees, are probably never en- 

 countered by wild catbirds, but all offered the captive birds were 

 eaten. Among the forms accepted and rejected, the nauseous 

 metallic-green ground-beetle (Chlcenius) and the honey-bee (Apis 

 mellifera) are eaten by wild catbirds, and both strawberries and 

 cherries are favorite foods, as cultivators to their sorrow well know. 

 A wasp was rejected by the captive birds, but many wasps have been 

 found in stomachs of wild catbirds. The soldier-beetle (Chauliogna- 

 thus pennsylvanicus) , both disregarded and accepted in the experi- 

 ment, is eaten under natural conditions. 



Summary: Dumetella carolinensis. — 



Brown Thrasher (Toxostoma rufum) : 90 — 



Accepted: - • 



coleoptera. 

 Carabid^e. 



Harpalus caliginosus (black). 



LaMPYRIDjE. 



Chauliognathus pennsylvanicus (yellow and black). 

 Chrysomelil\e. 



Leptinotarsa decemlineata (yellow and black), twice swal- 

 lowed and thrown up, then swallowed again and re- 

 tained. 



Diabrotica 12-punctata (yellow and black). 



90 An account of these experiments, with some additional remarks about the 

 bud's preferences for certain human foods and wild berries, is in Yearbook U. S. 

 Dept. Agr., 1895 (1896), p. 414. 



