144 Wyoming Experiment Station. 



Douglas, July 12, 1892, and Aiken, Sherman. There are three 

 skins in the University collection that were taken in Albany 

 and Carbon counties. 



629. Vireo solitarius (Wils.). 

 Blue-headed Vireo. 

 Accidental. The Wyoming record is based upon a single 

 specimen taken by Drexel at Fort Bridger, 1858. 



629 b. Vireo solitarius plumbeus (CouES.). 

 Plumbeous Vireo. 

 Probably a summer resident ; but no breeding records. 

 Coues (B. N. W., p. 100) notes that Dr. R. B. Hitz captured 

 several specimens at Laramie peak. No. 38428 of the Nation- 

 al Museum was taken at Laramie peak and No 11064 was 

 taken at Fort Bridger; Cary reports seeing this variety fre- 

 quently near Newcastle during the summer of 1900; Aiken 

 reported this bird from Sherman ; Jesurun took one specimen 

 at Douglas, Sept. 12, 1896. 



633. Vireo bellii Aud. 

 Bell's Vireo. 



Probably accidental. The only Wyoming record comes 

 from Grinnell, which is as follows : "Quite abundant late in 

 August among the timber and low brush on the streams flow- 

 ing out from the Freezeout mountains where the writer took 

 specimens." 



WOOD WARBLERS. 



636. Mniotilta varia (Linn.). 

 Black and White Warbler. 

 Accidental. Dr. Jesurun has one specimen in his col- 

 lection that he captured at Douglas, May 17, 1899. The bird 

 was alone. 



644. Helminthophila virginiae (Baird.). 

 Virginia's Warbler. 

 It seems singular, but little is known of this bird in Wyo- 

 ming. In accordance with its geographical distribution it 



