392 ICTERID.I;. 



Two eggs believed to be those of the Black-headed Hangnest 

 resemble eggs of /. spurius. They measure respectively : *75 by 

 55 ; -73 by '53. 



2. Mexico (//. Buckley: Tristram Crowley Bequest. 

 Coll.). 



Icterus auduboni, Gimud. 



Icterus melanocephalus, var. auduboni, Baird, Brewer fy Ridyw. N. 



Amer. Birds, ii. p. ]86 (1874). 

 Icterus melanocephalus, Scl. Cat. Birds B. M. xi. p. 375 (1886) [part.] ; 



Salv. 8f Godm. Biol. Centr.-Amer., Aves, i. p. 468 (1887) [part.]. 

 Icterus auduboni, Sennett, Bull. U.S. Geol. Geogr. Surv. Terr. v. p. 399 



(1879); Bendire, Life- Hist. N. Amer. Birds, ii. p. 469, pi. vi. 



tijrs. 25-27 (1895) ; Shai-pe, Hand-l. v. p. 501 (1909) ; Nehrk. Kat. 



Eiersamml. p. 345 (1910). 

 Icterus melanocephalus auduboni, Ridgw. Birds North fy Middle Amer. 



ii. p. 282 (1902). 



An egg of Audubon's Hangnest is of a regular oval shape and 

 slightly glossy. It is white, somewhat thickly speckled all over 

 with pale chestnut-brown and lavender. It measures -9 by '67. 



1. North America (Smiths. Inst.). Salvin-Godman Coll. 



Icterus cucullatus, Swains. 



Icterus cucullatus, Baird, Brewer $ Ridyw. N. Amer. Birds, ii. p. 193 



(1874) [part.]; Scl. Cat. Birds B. M. xi. p. 376 (1886) [part.]; 



Salv. Sf Godm. Biol. Centr.-Amer., Aves, i. p. 471 (1887) [part.] ; 



Sharpe, Hand-l. v. p. 501 (1909) ; Nehrk. Kat. Eiersamml. p. 345 



(1910).' 

 Icterus cucullatus cucullatus, Ridyw. Birds North fy Middle Amer. ii. 



p. 287 (1902). 



Two sets of eggs of the Hooded Hangnest are of a pointed oval 

 form and almost devoid of gloss. They are of two types : two 

 examples are plain white, while the remainder have the ground- 

 colour pinkish-white or greyish-white, marked with twisted lines 

 and blotches of deep chocolate -brown and lilac-grey, much as in 

 /. baltimore and /. bullochi. They vary from *94 to 1-05 in length, 

 and from '66 to '68 in breadth. 



1. North America (Nehrkorn Coll.}. Crowley Bequest. 



5. Tepic, W. Mexico, 5th June ( W. Salvin-Godman Coll. 



B. Richardson}. 



5. Tepic, 8th June (W. B. R.). Salvin-Godman Coll. 



Icterus sennetti, Ridgw. 



Icterus cucullatus, Sennett (nee Swains.}, Bull. U.S. Geol. Geor/r. Surv. 

 Terr. v. p. 398 (1879) ; Bendire, Life-Hist. N. Amer. Birds, ii. 

 p. 474, pi. vi. figs. 30-32 (1895). 



