1912.] NATURAL SCIENCES OF PHILADELPHIA. 341 



rejections by captive birds are no guide to the natural tastes of the 

 species. 



English Sparrow (Passer domesticus) :— 

 Accepted: 



COLEOPTERA. 



SCARAB,EID;E. 



Ldgyrus gibbosus (reddish-brown), 1. 

 Spermatophyta. 

 Gramin^e. 



Panicum sanguinale. 



Chcetochloa italica. 



Chcetochloa viridis. 

 Chenopodiace.e. 



Chenopodium album. 

 Ambrosiace^e. 



A mbrosia a Hem isia 'folia . 



Rejected: 



Heteroptera. 

 Pentatomid.e. 



Brockymena arborea (dark brown) , 1 . 

 Spermatophyta. 

 Cichoriace.e. 



Taraxacum taraxacum (heads with akenes). 



Accepted and Rejected: 

 Spermatophyta. 

 Amaranthace.e. 



Amaranthus sp. Refused at 9 A.M. when hungry, but 

 eaten at 11 same morning. 



The fruiting heads of dandelion which were refused are a favorite 

 natural food; and Amaranthus seeds, which were refused but eaten 

 two hours later, are commonly eaten by wild birds of this species. 



Snowbird (J unco kyemalis) : 87 — 



Accepted: 



Orthoptera. 



Encoptolophus sordidus (brown). 



Rejected: 



COLEOPTERA. 



COCCINELLID.E. 



Adalia bipunctata (red, yellow, and black). 



SCARAB.EID.E. 



Dyscinetus trachypygus (black). 



87 Partial account of experiments with this and the following two species in 

 Bid. 15, Biol. Survey, 1901, pp. 45-48. 



