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. 
ScARABAID A. 
Ligyrus gibbosus (reddish-brown), 1. 
SPERMATOPHYTA. 
GRAMINA. 
Panicum sanguinale. 
Chetochloa italica. 
Chetochloa viridis. - 
CHENOPODIACE. 
Chenopodium album. 
AMBROSIACEE. 
Ambrosia artemisiefolia. 
Rejected: 
HETEROPTERA. 
PENTATOMID. 
Brochymena arborea (dark brown), 1. 
SPERMATOPHYTA. 
CICHORIACER. 
Taraxacum taraxacum (heads with akenes). 
Accepted and Rejected: 
SPERMATOPHYTA. 
AMARANTHACES. 
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 (Junco hyemalis) 3’— 
Accepted: 
ORTHOPTERA. 
Encoptolophus sordidus (brown). 
Rejected: 
COLEOPTERA. 
CoccINELLID. 
Adalia bipunctata (red, yellow, and black). 
ScARABZIDA. 
Dyscinetus trachypygus (black). 
% Partial account of experiments with this and the following two species in 
Bul. 15, Biol. Survey, 1901, pp. 45-48. 
