Paraguay, Bolivia^ and Southern Brazil. 325 



Besides tlie specimen obtaiued, three or four individuals 

 of this species were observed at Colonia Mihimovitch. 



162. GuiRA PIHIKIGUA. 



Guira piririgua Arg. Orn. ii. p, 32. 



Guira yuira Shelley, Cat. B. xix. p. 433. 



a, b, c. ^ ? ad. Los Ynglases, Ajo. Sept. 22, 1908. 



d, e,f,g, h. S ? ad. „ „ Apr. 5, 1909. 



i,J,k. c^ ? ad. „ „ May 13, 1909. 



/. ? ad. Bella Vista, N. Argentine. Nov. 12, 1909. 



The September and November birds are shewing signs of 

 wear, and the April birds are moulting, the May specimens 

 being in full plumage. 



Irides orange ; lores and orbits pale greenish yellow, 

 bluish near the ear ; bill dark orange, greenish yellow at 

 base ; legs and toes dull medium olive. 



A common species, observed in parties of six or eight 

 individuals. 



163. DiPLOPTERUS N.EVIUS. 



Diplopterus navius Arg. Orn. ii. p. 35 ; Shelley, Cat. B. 

 xix. p. 423. 



a. S ad. Cabo Emma, Paraguay. Oct. 20, 1909. 



164. PlAYA MACRURA. 



Piaya macrura Chubb, Ibis, 1910, p. 272. 



a. (^ ad. Tayru, Paraguay. Aug. 6, 1909. 



b. ? ad. Pan de Azucar, Brazil. Sept. 17, 1909. 



c. ? . Boca de Homiguera, Brazil. Oct. 12, 1909. 

 Irides and orbits crimson ; bill pale green ; legs and toes 



slate-coloured. 



The Octol)er Ijird is in a very pale phase, with only a Avash 

 of black on the tail. 



Fam. Rhamphastid^. 



165. Khamphastos toco. 



Rhamphastos toco Arg. Orn. ii. p. 40; Scl. Cat. B. xix. 

 p. 125. 



a. S ad. Mortero, Paraguay. Aug. 13, 1909. 

 h. ^ ad. Pan de Azucar, Brazil. Sept. 19, 1909. 

 c, d. ? ad. Coim1)ra, Brazil Oct. 15, 1909. 



