Birds of Paraguay. 603 
Caraderizado canela y cabeza negra Azara, t. c. p. 182. 
no. 209, $ juv. 
Tityra rufa Vieill. N. Diet. d’Hist. Nat. iii. p. 347, $ 
(1816: Paraguay). 
Tityra atricapilla Vieill. t. c. p. 347, <$ juv. 
Hadrostomus atricapillus Berlepsch, J. f. O. 1887, pp. 13, 
118 (Lambare); Sclater, Cat. B. Brit. Mus. xiv. p. 333. 
Platypsaris atricapillus Ihering, Bevista Mus. Paulista, 
vi. p. 327 (Paraguay). 
Hadrostomus rufus Hellmayr, Abhandl. Akad. Wiss. 
Miinchen, xxii. p. 669. 
a. $ ad. Sapucay, November 27, 1902. 
Iris light brown. 
b. S ad. Sapucay, April 2, 1903. 
Bill black, lower mandible dark slate-coloured; feet very 
dark slate-coloured, almost black ; iris brown. 
c. $ ad. Ybytimi, February 1904. 
Bill black ; feet bluish slate-coloured ; iris brown. 
d. $ ad. Sapucay, March 5, 1904. 
Bill and feet black ; iris brown. 
168. Pachyrhamphus castaneus. 
Tityra castanea Jard. & Selby, Ill. Orn. i. pi. x. (1827). 
Muscipeta aurantia Wied, Beitr. Naturg. Bras. iii. p. 911 
(1831). 
Pachyrhynchus ruficeps Swains. Anim. in Menag. p. 288 
(1837). 
Pachyrhamphus rufus Berlepsch (nec Bodd.), J. f. O. 1873, 
p. 264; Sclater, Cat. B. Brit. Mus. xiv. p. 343; Ihering, 
Bevista Mus. Paulista, vi. p. 327 (Paraguay). 
Hadrostomus borellianus Bertoni, Aves Nuev. Paraguay, 
p. 108. 
Pachyrhamphus castaneus Hellmayr, Nov. Zool. xv. p. 57 
(1909). 
a, b. S $ a ch Sapucay, July 28, 1904. 
Bill blackish above, slate-coloured below; feet dark slate- 
coloured ; iris brown. 
c. S a( k Sapucay, July 28, 1904. 
d. ad. ,, August 6, 1904. 
ser. ix.— vol. iv. 2 s 
