TANGAEIUS. MOLOIHETJS. 373 



probably stains acquired in tbe course of incubation. Seyen 

 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. Geronimo, Guatemala, 2nd June Salvin-Godman OpU. 

 {M. Given). 



Taiigarius seneus ( Wagl.). 

 (Plate XVI. flg. 7.) 



Molothrua reneus, Lawr. Mem. Bod. Soc. N. II. ii. p. 281 (1874) ; Scl. 



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

 Callothrus seneus seneus, Eidgto. Birds North Sf Middle Amer. ii. p. 203 



(1902). 

 Tangariua seneus, Sharpe, Hand-l. v. p. 489 (1909) ; NehrJc. Kat. Eier- 



samml. p. 342 (1910). 



4 



Two eggs, said to be those of the Bronzed Co-w-bird, are of a long 

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

 ■with crooked and twisted lines and markings of deep chocolate- 

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

 measure respectively 1'09 by -65, and 1-0 by -6. 



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



Genus MOLOTHRUS, Swains. 

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



Molothrus ater {Bodd.). 



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



(1845-54). 

 Molothrus pecoris, Verrill, Pr. Essex Inst. iii. p. 161 (1862) ; Baird, 



Brewer ^ Ridgw. 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. 8f Godm. Biol. Centr.-Amer., Aves, i. p. 450 (1887) ; 



J>!e/irk. Kat. Fiersamml. p. 99 (1899). 

 Molothrus ater, Bendire, LifeSist. N. Amer. Birds, ii. p. 434, pi. vi. 



tios. 3-6 (1895) ; Sharpe, Iland-l. v. p. 490 (1909) ; Nelirk. Kat. 



Eiersamml. p. 342 (1910). 

 Molothrus ater ob.scurus, Bendire, t, c. p. 441, pi. xi. figs. 7, 8. 

 Molothrus ater ater, liidgw. Birds North ^ Midace 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 with brown or dull reddish-brown and underlying lavender- 

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

 in breadth. 



