1875.] 171 [Hoffman. 



13. Mniotilta varia Vieill. Black-and- white Creeper. 



Saw several specimens at Oak Creek, and on the island, on June 2d. 



14. Helminthophaga ruficapilla (Wils.) Bd. Nashville 

 Warbler. 



Quite common in the bottoms, where well timbered. 



15. 'Dendrceca sestiva Baird. Yellow Warbler. 

 Common along the river. 



16. Geothlypis trichas Cab. Maryland Yellow throat. 

 Rather common; appeared to be migrating northward when ob- 

 served. 



17. Petrochelidon lunifrons (Say) Cab. Cliff Swallow. 

 One small colony built their nest under a bridge crossing Oak 



Creek, half a mile southwest of the Agency. No eggs could be ob- 

 tained at my time of departure — June 7th. 



18. Vireo olivaceus Vieill. Red-eyed Vireo. 

 Saw several specimens, but received only one. 



19. Collurio sp. 



Saw but one specimen of this genus, and could not get near that. 

 Had no gun at the moment. 



20. Chrysomitris tristis Bon. Yellow Bird. 



Saw but few specimens, and they remained near the Agency for 

 only one day. 



21. Plectrophanes ornatus Towns. Chestnut-collared Bunt- 

 ing. 



Apparently very rare. Saw but four specimens. Oak Creek. 



22. Plectrophanes Maccowni Bd. McCown's Bunting. 

 Found less frequently than the preceding species ; but generally 



associating with it when found. 



23. Junco hyemalis var. Aikeni (L.) Ridgw. 

 Procured several specimens late in October ; associates with the 



following species. 



24. Junco cinereus var. caniceps (Wood.) Coues. Gray- 

 headed Snowbird. 



This species was also common until the approach of the extremely 

 cold weather (in November), when the thermometer usually stood 

 below zero. 



25. Spizella socialis Bon. Chipping Sparrow. 

 Rather common among all the thickets. 



26. Spizella pallida Bon. Clay-colored Sparrow. 

 Common. Found breeding. 



