MOLOTHRUS. 377 
Eggs attributed to the Screaming Cow-bird by Mr. Hudson are 
elliptical in shape, the two ends being, however, rather pointed, 
and moderately glossy. They are grey, thickly and evenly 
speckled and mottled with pale purplish-brown and pale lavender. 
Three examples measure respectively: -9 by *68; °9 by -69; -93 
by °69. 
Kees taken by Mr. Holland are of a regular oval shape and 
moderately glossy. hey are greyish-white, thickly freckled with 
dark brown and underlying grey. They measure respectively : 
“UoEUNeam caso: Dy oe 
Four of the eggs taken by Miss Runnacles are of a redder type, 
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. H. Holland, Esq. [C.]. 
2. Arventine Republic. Crowley Bequest. 
4. Argentine Republic. Crowley Bequest. 
5. Argentine Republic, Nov. A. H. Helland, Esq. [C.}. 
19. Buenos Ayres. W. H. Hudson, Esq. /P.}. 
3. Buenos Ayres. W. H. Hudson, Esq. | P. |}. 
3. Ajo, Buenos Ayres, 10th Oct. Miss I. G. Runnacles {C. }. 
(with 1 ege of Pseudoleistes 
virescens, see p. O84.) 
oa. Ajo, oth Nov. (CU: 2. 6. G.) 
(in nest of P. virescens). 
6; “Ajo, 24th Nov. (C. Hf. B. G:.) 
(with 4 eves of P. virescens). 
4, Ajo, 17th Oct. 
4. Ajo, 8rd Feb. (with 1 egg of M. 
badius, see p. 578). y 
3. Ajo, 17th Feb. (with 2 eggs of 
M. badius). 
8. Ajo, 29th Dec. (C,H. B. Grant) 
ywith 1 egg of M. bonariensis, 
in nest of WM. badius, in old vest 
of Anumbius acuticauda, see 
p. 375). 
Ernest Gibson, Esq. [P.]. , 
Ernest Gibson, Esq. [P.]. 
Miss I. G. Runnacles [C.]. 
Miss I, G. Runnacles [C. |. 
Miss I. G. Runnacles [C. }, 
Ernest Gibson, Esq. [ P.}. 
Molothrus badius ( Vverl/.). 
Molothrus badius, Holtz, J. f. O. 1870, p. 19, Taf. i. fig. 2; Hudson, 
P. Z. 8. 1874, p. 159; Dalgleish, Proc. R. Phys. Soc. Edinb. vi. 
p- 245, pl. vii. fig. 4 (1880-1); Sel. Cat. Birds B. M. xi. p. 388 
(1888) ; Sel. § Huds. Argent. Orn. i. p. 95 (1888); Holland, Ibis, 
1892, p. 198; Nehrk. Rut. Eiersamml. p. 100 (1899); Euler, Rev. 
Mus. Paulista, iv. p. 36 (1900) ; Ihering, t. e. p. 220 (1900) ; Sharpe, 
Hand-l. v. p. 491 (1909); Nehrk. Kat. Liersamml. p. 342 (1910) ; 
C. Grant, Ibis, 1911, 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 mottied with 
various shades of brown and underlying lavender or lilac-grey. 
