observed in the Gran Chaco. 223 



Fam. IV. Mniotiltid^. 



5. Geothlypis velata (Vieill.). 

 Villa Concepciou Island, Oct. 5, 1896. 



Fam. V. ViREONiDiE. 



6. Cyclorhis sp. inc. 



W. In monte, Feb. 9, 1897. 



Fam. VI. HiRUNDiNiDiE. 



7. Atticora fucata (Temm.). 



W. Abundant, Dec. 1896, Jan. 1897. 



Fam. VII. Tanagrid^. 



8. EuPHONiA chlorotica (Linn.). 

 Lengua, Setslp. 



W., Feb. 9, 1897. 



9. Tanagra sayaca Linn. 



Villa Concepcion ; W., Nov. 4, 1896. 

 Specimens all very cyanopterous. 



10. Saltator c^rulescens Vieill. 

 Villa Concepcion ; W. 



11. Saltator aurantiirostris Vieill. 

 W., Nov. 2, 1896. 



Fam. VIII. FRINGILLIDiE. 



12. Spermophila palustris Barrows. 

 Villa Concepcion. 



13. Zonotrichia pileata (Bodd.) . 

 Lengua, Khniei. 



Villa Concepcion; W., Nov. 1896. 



14. PoospizA melanoleuca (D^Orb. et Lafr.). 

 W., Jan. 1897. Very common in monte. 



15. Ammodramus manimbe (Licht.). 

 Coturniculus peruanus, Arg. Gruith. I. p. 60. 

 W. Common, Jan. 1897, 



