190.5.] NATURAL SCIENCES OF PHILADELPHIA. 685 



Melospiza cinerea fallax (Baird). Desert Song Sparrow. 



A number of specimens from the mouth of the Hardy, Bruce's ranch 

 and the Colorado sixty miles below Yuma. 



"The song of this form is precisely like that of our Eastern bird, and 

 was a constant reminder of the winter minstrelsy of my home in the 

 Delaware River Valley. They are very abundant in the whole delta." 



Pipilo aberti Baird. Abert's Towhee. 



Obtained on the Colorado and Hardy rivers at various points, and 

 in the Cocopah ^lountains. 



"This peculiar or, rather, original bird character is abundant. In 

 habits and appearance and in character also it reminds one of a female 

 cardinal Grosbeak. Its voice or call note completes the illusion. Its 

 song I never heard. That, together with its anatomy, may be sufficient 

 proof that the systematists have not gone wrong in naming it Pipilo. 

 No cardinals seem to inhabit its rendezvous in the Colorado delta, and 

 that is another puzzling factor in the life history of Abert's Towhee." 



Iridoprocne bicolor (Vieill.). Tree Swallow. 



One example from Bruce's ranch. 

 "Several flocks seen." 



Fhainopepla niteus (Swains). Phainopepla. 



Two examples on the Colorado fifty miles below Yuma and one from 

 the Cocopahs. 



"Wherever mesquites and their parasitic berries abounded plenty of 

 these shining crested fellows plaintively ffitted about from one high 

 perch to another." 

 Lanius ludovioianus gambeli Ridgw. California Shrike. 



Three specimens from the mouth of the Hardy river come nearer to 

 gambeli than any other race, though they are not quite typical. 



"Another was taken near Pescadoro Slough and several seen at the 

 Mount Major camp." 

 Helminthophila celata lutescens (Ridgw.). Lutescent Warbler. 



One obtained at Bruce's ranch, February 16. 



"No others seen." 



Dendroica auduboni (Towns.). Audubon's Warbler. 



One from Colony and one from the Colorado river near the Mexican 

 boundary. 



"Exceedingly abundant everywhere along our route." 

 Anthus pensilvanicus (Lath.). American Pipit. 



One specimen secured on the Hardy river, February 18. 



"A very few seen on the Hardy only." 



