WILSONIA. SETOrHAGA. 7 I 



Wilsonia chryseola, Bidgw. 



Wilsonia chryseola, Midqio. Birds of North ^ Middle Amer. ii. p. 714 

 (1902) ; Sharps, Rq,nd-l. v. p. 119 (1906). 



An egg of Eidgway's Warbler is of a rather wide, pointed oval shape 

 and slightly glossy ; it is pure -white, finely spotted all over the 

 shell with light red and lilac, the markings being most numerous 

 towards the larger end. It measures -6 by '48. 



1. California (JB. Ridgway : Tristram Crowley Bequest. 

 Coll.). 



Wilsonia canadensis (Linn.). 



Syl\ia canadensis, Thien. Fortpflanz. ges. Vog. tab. xxii. fig. v (1845- 



54). 

 Myiodioctes canadensis, Baird, Brewer 8f Ridgw. N. Amer. Birds, i. 



p. 320 (1874) ; Coues, Birds N.-West, p. 80 (1874) ; Sah. ^ Godm. 



Biol. Centr.-Amer., Aves, i. p. 166 (1881) ; Sharpe, Cat. Birds B. M. 



IS., p. 432 (1885) ; Nehr\. Kat. Eiersamml. p. 91 (1899). 

 Wilsonia canadensis, Sharpe, Sand-l. y. p. 119 (1906). 



Four eggs of the Canadian Warbler are of a pointed oval shape 

 and exhibit little or no gloss. They are of a yellowish-white, 

 Spotted and blotched with brownish-pink, reddish-brown, and 

 lavender, the markings being confluent at the larger end and 

 forming a dense cap or zone. They measure respectively : "76 by 

 •56 ; -7 by -5 ; -7 by -48. 



1. North America (iVeAr^arra CoM.). Crowley Bequest. 



3. North America {Anderson: Tris- Crowley Bequest. 

 ii-am Coll.). 



Genus SETOPHAGA, Swains. 

 Setophaga ruticilla (Linn.). 



Setophaga mitrata, Thien. Fortpfiarva. ges. Vog. tab. xxix;. fig. 11 

 (1845-54). 



Setophaga ruticilla. Boss, Canad. Nat. vii. p. 145 (1862) ; id., Nat. Hist. 

 Rev. 1862, p. 280 ; Baird, Brewer ^ Bidgw. N. Amer. Birds, i. p. 323 

 (1874) ; Coues, Birds Colorado Valley, p. 337 (1878) ; Salo. l^ Qodm. 

 Biol. Centr.-Amer., Aves, i. p. 178 (1881) ; Sharpe, Cat. Birds 

 B M. X. p. 411 (1885) ; Nehrk. Kat. Biersamml. p. 90 (1899) ; 

 Sharpe, Sand-l. v. p. 120 (1906). 



The eggs of the American Eedstart are mostly of a pointed oval 

 form and exhibit a small amount of gloss. They are somewhat 

 similar to the eggs of Dendrceca cestiva, but the ground-colour is 

 generally white, instead of greenish-white, and the brown markings 

 have usually a decided rufous tinge. Specimens measure from -6 to 

 •7 in length, and from -48 to -52 in breadth. 



