TAXGARIUS.--MOLOTHBU3. 373 



probably stains acquired in the course of incubation. Seven 

 examples measure from '9 to 1-02 in length, and from *7 to "76 in 

 breadth. 



These eggs agree with the description given by Nehrkorn. 



7. S. (icronimo, Guatemala, 2nd Juue Salvin-Godmau Coll. 

 (R. Owen). 



Taiigarius aeneus ( Wagl.). 

 (Plate XVI. fig. 7.) 



Molothrus senetis, Lawr. Mem. Host. Soc. N. 11. ii. p. 281 (1874) ; Scl. 



Cat. B. lirit. Mus. xi. p. 335 [part] (1885). 

 Callothrus seneus seiieus, Ritfgw. Birds North fy Middle Amer. ii. p. 203 



(1902). 

 Tangariua aeneus, Sharpe, Hand-L v. p. 489 (1909) ; Nehrk. Kut. Eier- 



samml. p. 342 (1910). 



Two eggs, said to be these of the Bronzed Cow-bird, are of a long 

 pointed oval shape and devoid of gloss. They are greyish-white, 

 Mith crooked and twisted lines and markings of deep chocolate- 

 brown uud a few slighter lines of dark purplish-grey. They 

 measure respectively 1'09 by '65, and 1-0 by -0. 



2. Mazatlan, Mexico {A. Forrer). Crowley Bequest. 



Genus MOLOTHRUS, Swains. 

 Cf. Ludwig Holtz, J. f. 0. 1872, p. 193, Taf. i. figs. 2, a-e. 



Molothrus ater (Bodd.). 



Icterus pecoris, Thien. Fortpflanz. ges. Vog. tab. xxxvii. fig. 1 a, b 



(1845-54). 

 Molothrus pecoiis, VerriU, Pr. Essex Inst. iii. p. 151 (1862) ; Baird, 



Brewer 8f Ridyw. N. Amer. Birds, ii. p. 154 (1874); Coues, Birds 



N.-West, p. 180 (1874) ; Scl. Cat. Birds B. M. xi. p. 333 (1886) 



[part.] ; Salv. Sf Godm. Bid. Centr.-Amer., Aves, i. p. 450 (1887) ; 



Xehrk. Kat. Eiermmml-. p. 99 (1899). 

 Molothrus ater, Bendire, Life-Hist. N. Amer. Birds, ii. p. 434, pi. vi. 



tius. 3-6 (1895); Sharpe, Hand-L v. p. 490 (1909); Nehrk. Kat. 



Eiersamml. p. 342 (1910). 



Molothrus ater ooscurus, Bendire, t. c. p. 441, pi. vi. figs. 7, 8. 

 Molothrus ater ater, Ridgiv. Birds North 8f Midaie Amer. ii. p. 207 



(1902). 



The eggs of the North-American Cow-bird are of a somewhat 

 broad oval shape and moderately glossy. They are white or 

 greyish-white, densely speckled and mottled, especially at the broad 

 end, witli brown or dull reddish-brown and underlying lavender- 

 grey. They measure from *8 to *92 in length, and from '63 to -7 

 in breadth. 



