224 Mr. J. G. Kerr on the Birds 



16. CORYPHOSPINGUS CRISTATUS (Gm.). 



Villa Coucepcion, Oct. 13, 1896 ; W., Nov. 10, 1896. 



17. Paroaria capita ta (D'Oi'b. et Lafr.). 



Villa Concepcion, common, Oct, 1896; W., Jan. 15, 

 1897. 



Fam, IX. IcTERiD^. 



18. Cassicus albirostris Vieill. 



Villa Concepcion. Common. Nests in monte on west 

 bank of river (Oct. 5, 1896). 

 W., Feb. 7, 1897. Frequent. 



19. Amblycercus solitarius (Vieill.). 



Villa Concepcion, nesting in monte on west bank of 

 Paraguay River, Oct. 5, 1896. 



20. MOLOTHRUS BONARIENSIS (Gm.). 



W. Very common. 



21. MoLOTHRUs RADIUS (Vieill.). 

 W. Abundant. 



22. Agel^us ruficapillus Vieill. 



W., Nov. 5, 1896. Common about edges of swamp. 



23. Leistes superciliaris (Bp.). 

 Lengua, Tuskaiye. 



W., Dec. 25, 1896, Feb. 9, May 6, 1897. Occasional. 



24. Amblybhamphus holosericeus (Scop.). 

 W., Nov. 1896, Feb. 1897. 



Common in swamp amongst the Peguaho [Thalia sp.). 

 Has a beautiful and plaintive whistle of two notes, the 

 second prolonged and lower in pitch — Hi-hu. 



25. Icterus pyrrhopterus (Vieill.). 

 W., Jan. 16, 1897. Common. 



Fam. X. C o R VI D.E. 



26. Cyanocorax chrysops (Vieill.). 



Villa Concepcion, in company with C. cceruleus in monte 

 on western bank of river. 



