OF EASTERN PENNSYLVANIA, 213 



fera they feed upon Culex tcBniorhynchus, Tipula 

 ferrugjnea, Asilus sericeus, Tabanus~lineola,Musca 

 domestica, and many species of Anthomya, Ortalis, 

 and Scataphaga. The larvae of Anisopteryx ver^ 

 nataj Zerene catenaria, Anisopteryx pomeiaria, 

 Chcerodes iransversata, Hybemiet tiliaria, Asopia 

 cos talis, Malesidotd tessellaris, Calliinorpha Lecontei, 

 with mature forms of Agrotis te^ssellata, Plusiapre- 

 cationis, and others among lepidoptera. Selandria 

 roses, Apis mellijica, Megaehile centuncularis, and 

 many of the Cynipsera that puncture our oaks, 

 producing the galls thereof,- among hymenoptera; 

 and Chrysomela formosa, Cymindis viridipennis, 

 Haltica chalybea, and other beetles. 



From our knowledge of this Vireo, we are satis- 

 fied that it prefers retirement and loves to suspend 

 its domicile from the pendant branches of the 

 beech, maple, and sassafras. It builds rnainly on 

 high grounds. The nests are never placed higher 

 than ten feet from the ground and occasionally at 

 a less elevation. While the female is incubating 

 she is readily approached, and manifests, seem- 

 ingly, neither timidity nor alarm. We have known 

 instances where she would permit us almost to 

 lay our hand upon her, without leaving the nest. 

 She would gaze intently upon us ,for a few 

 minutes, as if to learn our motives; but when con- 

 scious of impending danger she would glide 

 noiselessly out, and perch very demurely upon a 

 twig close by, and become a quiet observer of bur 

 proceedings. She will permit a person to pass and 



