REPORT UPON ORNITHOLOGICAL SPECIMENS. 



105 



White Mountains, Arizona. A rather exclusive inhabitant of the pine- 

 woods, rarely descending to the plains. 



40. Stelgidopteryx serripennis, (Aud.) Bough-winged Swallow. 



Seen near Zuni, N. Mex. Found by Dr. Coues as an abundant sum- 

 mer-resident. 



VIREONIDJE (the Vireos). 



41. Vireo gilvus (Vleill.), var. swainsoni, Bd. Western Warbling Tireo. 

 Numerous. 



42. Vireo solitarius (Wils.), var. cassini, Bd. Cassin's Yireo. 



A single specimen was shot a short distance south of Apache by Dr. 

 dewberry, jr., in September. It appeared to be rather common on the 

 Gila Kiver, Arizona, keeping in the tops of the tall cotton woods. I 

 observed nothing peculiar in its habits. 



43. Yireo solitarius (Wils.), var. plumbeus, Cs. Western Solitary Tireo. 

 Common at various places in New Mexico, and also in Eastern Arizona, 

 keeping among the pines. A specimen, taken September 3, at Apache, 

 Ariz., is intermediate in coloration between solitarius and plumbeus, 

 showing very clearly the relationship of the two. A strong greenish 

 tinge pervades the back, and is also very decided on the sides and 

 flanks. 



44. Vireo MU, Aud. Bell's Vireo. 



This little vireo appeared to be rather common along the Gila Kiver, 

 inhabiting the dense thickets along the banks. At this season, the 



