VIREONID.E — THE GKEENLETS — VIREOSYLVIA. 



119 



Their song consists of a variuty of notes, slowly delivered in an inter- 

 rupted manner, and having a rather plaintive but sweet tone, very different 

 from the lively warlile of V. gilra. 



The bird described as V. Cassini, by ]\lr. Xantus, is probaljly only this 

 species in winter dress. A figure of it is given at the head of the article, 

 side by side with that sliowing tlie sjjring plumage. 



Vireosylvia plumbea, Coues. 



THE LEAD-COLORED GRKENLET. 



\lreosi/Ivia phimhca, Coues, Pr. A. N. S. 1806. — Baikd, Rct. Amcr. Birds, 349. 



Sr. CiiAR. Very similar to I', solilaria, but larger, with longer wings and tail. The 

 olive-green of solilaria is replaced by plumbeous, and the yellowish by white. There is 

 only a faint trace of olive on the lower back and flanks. The olive edgings of the wing 



are replaced by ash ; of the tail, by whitish. Total length, G.IO ; extent of wings, 10.80 ; 

 wing, 3.25 ; tarsus, 0.75. 



Hah. Eoeky Mountains and Arizona to Colima, Mexico. 



V. phtmbea. 



This fine species was first described by Dr. Coues, from specimens col- 

 lected at Prescott, Arizona, where it Avas very abundant. No notice of its 

 habits has yet been published. 



