190 TYRANNIDJ5. 



shape and devoid of all gloss. They are of a dark cream or pale 

 buff-colour, densely streaked and mottled with purplish brown and 

 lavender. They measure from '86 to 1 in length, and from '66 to 

 •72 in breadth. 



1. Bahia {Tristram Coll?). Crowley Bequest. 



4. Argentine Republic, Oct. A. H. Holland, Esq. [C.]. 



4. Argentine Republic, Oct. A. H. Holland, Esq. [C.\ 



3. Argentine Republic, Oct. A. II. Holland, Esq. [C.J. 



2. Argentine Republic. Crowley Bequest. 



3. Buenos Ayres, Nov. (J?. W. White). Crowley Bequest. 



Genus MUSCISAXICOLA, iVOrh. ^- Lafr. 



Muscisaxicola maculirostris, d'Orh. Sf- Lafr. 



(Plate IV. fig. 7.) 



Muscisaxicola maculirostris, Scl. Cat. Birds B. M. xiv. p. 59 (1888) ; id. 

 S; Huds. Argent. Orn. i. p. 134 (1888) ; Sharjje, Hand-l. iii. p. 99 

 (1901). 



The eggs of the Spotted-bill Tyrant-bird in the Collection are of 

 an oval shape and moderately glossy. One specimen is plain white, 

 and measures "66 by "55 ; another is white, very sparingly dotted 

 with black, and measures "74 by 'oG. 



1. Chile. E. C. Reed, Esq. [P.]. 



1. Chile. Crowley Bequest. 



Genus CENTRITES, Cah. 



Centrites niger {Bodd.). 



(Plate IV. fig. 8.) 



Centrites niger, Scl. Cat. Birds B. M. xiv. p. 61 (1888) ; id. ^- Huds. 

 Argent. Orn. i. p. 134 (1888) ; James, Keic List of Chilian Birds, 

 p. 3 (1892) ; Nehrk. Kat. Eiersamml. p. 137 (1892); Sharjx, Hand-l. 

 iii. p. 100 (1901). 



The eggs of the Pied-backed Tyrant-bird are of a blunt oval shape 

 and slightly glossy. They are greyish white, densely freckled with 

 greyish brown and lavender. They measure from "76 to 83 in 

 length, and -6 in breadth. 



3. Central Chile (Landbeck), Berkeley James Coll. 



3. Central Chile, Oct. Berkeley James Coll. 



Genus PLATYRHYNCHUS, Desm. 



Platyrhynchus cancrominus, Sd. ^- Salv. 



(Plate IV. fig. 10.) 



Platyrhyuchus cancrominus, Sd. Cat. Birds B. M. xiv. p. 66 (1888) ; 

 Salv. 8i Godm. Biol. Centr.-Amer., Aves, ii. p. 5 (1888) ; Sharpe, 

 Hand-l. iii. p. 100 (1901). 



