OF EASTERN PENNSYLVANIA. 231 



Selandria rosce, S. vitis, Formica sanguined, species 

 of Halictus, Andrena, and others ; larvae of Eufit- 

 chia ribcaria, Chcerodcs transversata, Ennomos 

 subsignaria, Zerene catenana, Hybernia tiliaria, 

 Anisopteryx vernata, A. pometaria, Plusia preca- 

 tionis, TJiecla humnli, Limacodes scapha, and 

 mature forms sAArgynnis myrina, Eudanms tityrus, 

 Ctenucka Virginica, Halesidota tessellaris, Utetheisa 

 bella, Anchylopera fragaricz, -Clisiocampa Ameri- 

 cana, Spilosoma Virginica, and others, especially 

 the most common of the Noctindc? and Tortricidce ; 

 besides Apis mali and other aphides, small spiders 

 &c., which it procures from the foliar surfaces, and 

 extracts with considerable skill from blossoms 

 while hovering- with fluttering wings before them. 

 Nidification usually commences during the last 

 week of May, say about the 25th, or the beginning 

 of June, and requires a period varying from five 

 to six days, both birds laboring with marked 

 diligence till the completion of the nest. Ovipo- 

 sition follows on the next day, and continues 

 during four days, one egg being deposited daily. 

 In the duties of incubation which then succeed and 







last for 1 1 days, the female is solely occupied. 







The male while his partner is thus engaged, occa- 

 sionally administers to her wants by bringing her 

 a racy tidbit. When sitting, the female is readily 

 approached, and even remains in her nest until a 

 hand is stretched forward to seize her, when she 

 quietly slips out and alights upon a branch close 

 by. Like the female of olivaceus, she gazes upon 



