228 Mr. J. G. Kerr on the Birds 



the bare ground by the margin of the swamp, rising on the 

 approach of an intruder with a soft cry. 



52. Chordiles virginianus (Gm.). 



W., Jan. 16. (Irides dark brown.) Frequent in monte ; 

 lies close on branches of trees. 



Fam, XV. Pic id^. 



53. CoLAPTES AGRicoLA (Malh.) . 



Villa Concepciou. Palmar in Chaco opposite Waikthala- 

 tingmayalwa^ Dec. 10. 



5'4. Leuconerpes candidus (Otto). 

 Melanerpes candidus Harg. 13. M. C. 13. xviii. p. 148. 

 W., Oct. 31j Nov. 6. Singly or in small parties of tliree 

 or four. 



55. Melanerpes cactorum (D'Orb. et Lafr.). 

 Picas cactorum, Arg. Ornith. ii. p. 19. 



W., Nov. 4. 



56. Celeus kerri Harg. 



W., Jan. 15. Obtained oti several occasions. 



57. Campephilus boi^ei (Wagl.). 



Campophilus leucopogon Harg. B. M. 0. B. xviii. p. 466. 

 W., Oct. 31, Nov. 11, May 5. Frequent. 



Fam. XVI. Alcbdinid^. 



58. Ceryle torquata (Linn.). 



Villa Concepcion, Sept. 27, 28. Common. 

 W., Jan. 1897. 



59. Ceryle amazona (Lath.). 

 Villa Concepcion, Sept. 28. 



60. Ceryle Americana (Gm.). 

 Villa Concepcion, Sept. 28. 



Not quite so common at Concepcion as the preceding two 

 species. 



Fam. XVll. Trogonid^e. 



61. Trogon surucura Vieill. 

 Caraya Vuelta, Oct. 22. 



