M0L0THRU8. 377 



Eggs attributed to the Screaming Cow-bird by Mr. Hudson are 

 elliptical in shape, the two ends being, however, rather pointed, 

 and moderatel)- glossj'. They are grey, thickly and evenly 

 speckled and mottled with pale purplish-brown and pale lavender. 

 Tlirce examples measure respectively : '9 by "68; "9 by -69 ; -93 

 by -69. 



Eggs taken by Mr. Holland are of a regular oval shape and 

 moderately glossy. They are greyish-white, thickly freckled with 

 dark brown and underlying grey. They measure respectively : 

 •95 by -7 ; -97 by -7. 



Eour of the eggs taken by Miss Runnaoles are of a redder typo, 

 the ground being pinkish- white, and the numerous spots and freckles 

 all over the shell reddish-brown and lilac-grey. They measure : 

 •93 by -74 ; -9 by -7; -85 by -68 (two). 



2. Argentine Republic, Nov. A. PI. Holland, Esq. [C.]. 



2. Argentine Republic. Crowley Bequest. 



4. Argentine Republic. Crowley Request. 



5. Argentine Repubhc, Nov. A. H. Holland, Esq. [C.]. 

 19. Buenos Avres. W. H. Hudson, Esq. [P.j. 



3. Bueuos Ayi-es. W. H. Hudson, Esq. [P.]. 



3. Ajo, Buenos Ayres, 10th Oct. Miss I. G. Runnacles [C], 



(with 1 egg of Pseuduk'istes 



virescens, see p. 384.) 

 8. Ajo, Ifith Nov. {C.H.B.G.) Ernest Gibson, Esq. [R]. 



(in nest of P. virescens). 

 5. Ajo, 24th Nov. (C. H. B. G.) Ernest Gibson, Esq. [P.]. 



(with 4 epgs of P. virescens). 



4. Ajo, 17th Oct. Miss I. G. Runnacles [CI. 

 4. Ajo, 3rd Feb. (wMi 1 egg of M. Miss I. G. Runnacles [C.J. 



badius, see p. 378). 

 3. Ajo, 17th Feb. (with 2 esgs of Miss I. G. Runnacles [C.]. 



M. badius). 

 8. Ajo, 2;Jth Dec. (C. H. B. Grant) Ernest Gibson, Esq. [P.]. 



(with 1 egg of M. bonariensis, 



in nest of M. badius, in old nest 



of Anumbius ucuticauda, see 



p. 375). 



Molothrus badius ( Vieill.). 



Molothrns badius, lloltz, J. f. O. 1870, p. 19, Taf. i. fig. 2; Hudso7i, 

 P. Z. S. 1874, p. 159; iJalqleish, Froc. R. Phys. Soc. minb. vi. 

 p. 245, pi. vii. tig. 4 (1880-1) ; Scl. Cat. Birds B. 31. xi. p. 338 

 (1888) ; Scl. l5- liitds. Arqent. Orn. i. p. 95 (1888); Holland, Ibis, 

 1892, p. 198; Nehrk. Eat. Eiersamml. p. 100 (1809); Eider, liev. 

 Mus. Paulista, iv. p. 30 (1900) ; Iherinq, t. c. p. 220 (1900) ; Sharpe, 

 Iland-l.x. p. 491 (1909); Isehrh. Kai. Eiersamml. v- 342 (1910); 

 C. Grant, Ibis, 191], p. 104. 



The eggs of the Bay-winged Cow-bird are of a rather broad oval 

 shape and exhibit a considerable amount of gloss. They are white, 

 greyish-white, or pinkish-white, finely and densely mottled with 

 various shades of brown and underhing lavender or lilac-grey. 



