1868.] ON BIRDS FROM CONCHITAS. 143 



53. Picus MixTus, Bodd. (ex PI. Eul. 748) ; Suudeval, Consp 

 Pic. p. 20. 



Not mentioned by Burmeister. 



54. Chrysoptilus chlorozostus (Wagl.). 



Chrysopicus chlorozostus, J\lalh. 



P. chlorozostus, Sund. Consp. Pic. p. 75. 



Chrysoptilus melanochlorus, Burm. I. c. p. 445. 



Three specimens. " Frequents the woods on the shores of the 

 Plata." Quite erroneously united by Burmeister with its Brazilian 

 representative C. melanochlorus. 



55. MiLVAGO CHIMANGO (Vicill.). 



M. pezoporus, Burm. /. c. p. 434. 

 " Resident." 



56. Urubitinga unicincta (Temm.). 

 Asturina unicincta, Burm. /. c. p. 436. 

 " Eye hazel." 



57. Hypotriorchis femoralis (Temm.); Burm. /. c. p. 437. 

 "Winter visitor." 



58. TiNNUNCULUs spARVERius (Linn.) ; Burm. I. c. p. 437. 



59. Circus cinereus (Vieill.) ; Burm. I. c. p. 439. 

 " Inhabits the Southern Pampas." 



60. Circus macropterus (Vieill.); Azara, No. 31. 



One adult specimen of this Harrier marked S , but apparently a 

 female. "Eyes hazel." Not mentioned by Burmeister. 



61. Otus brachyotus (Forst.) ; Burm. I.e. p. 439. 



62. Pholeoptynx cunicularia (Mol.). 

 Noctua cunicularia, Burm. /. c p. 440. 



63. Zenaida maculata (Vieill.) ; Burm. I. c. p. 497. 



64. Columbula picui (Temm.) ; Burm. /. c. p. 496. 



65. Columba picazuro (Temm.). 

 Picazuro, Azara, No. 317. 



This species is quite distinct from C. gymnophthahna (Temm.) 

 and C. maculosa (Temm.), with which it has been often confounded. 

 C yymnophthahna has the bill yellow, not black as in this species. 



66. Nothura maculosa (Temm.) ; Burm. I. c. p. 499. 



67. Thinocorus rumicivorus, Eschsch. ; Burm. /. c. p. 501. 



