euiKACA. 157 



somewhat glossy. They are bluish-green, mottled and blotched 

 with greyish-brown and pale underlying grey. They measure from 

 •93 to 1-08 in length, and from -68 to -71 in breadth. 



One of the eggs among those from Los Ailgcles appears to belong 

 to another set. It is altogether smaller than the rest and has the 

 ground-colour much bluer and the spots rounder and more sharply 

 defined. 



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



3. Fort Dufferin, Manitoba. 14th N. Amer. Bound. Comm. 

 June (G. M. Dawson). 



2. Western California (It. Ridgway : Crowley Bequest. 



Tristram Coll.). 

 6. Los Angeles, California, 28th May. W. Eadcliffe Saunders, Esq. 



[P.]. 



Genus GUIKACA, Swains. 



Guiraca cserulea (Linn.). 



Guiraca cserulea, Baird, Brewer 8f Ridgw. N. Am£r. Birds, ii. p. 76 

 (1874) [part.] ; Salv. ^ Godm. Biol. Centr.-Amer., Aves, i. p. 344 

 (1884) [part.J ; Sharpe, Cat. Birds B. M. xii. p. 66 (1888) [part.] ; 

 Nehrh. Kat. Eiersamml. p. 104 (1899) ; Sharpe, Hand-l. v. p. 202 

 (1908). 



Guiraca caerulea coerulea, Ridyw. Birds North Sf Middle Amer. i. p. 607 

 (1901). 



Eggs of the Blue Grosbeak are of an oval form, slightly glossy, 

 and of a plain light blue colour. They measure from "9 to '96 in 

 length, and from -66 to -7 in breadth. 



1 North America. W. Eadcliffe , Saunders, Esq. 



[P.]. 

 2. Charleston, S. Carolina, 28th "W. Eadcliffe Saunders, Esq. 



May. [P.]. 



4. Savannah, Georgia, 20th May W. Eadcliffe Saunders, Esq. 



(T. n. Perry). [P.]- 



Guiraca lazula (Less.). 



Guiraca cserulea lazula, Ridgw. Birds North S( Middle Amer. i. p. 610 



(1901). 

 Guiraca lazula, Sharpe, Hand-l. v. p. 202 (1908). 



Eggs of the "Western Blue Grosbeak are indistinguishable from 

 those of Q. ecerulea. 



1. Los Angeles, California, June. W. Eadcliffe Saunders, Esq. 



2. Mexico. Old Collection. 



2. Mexico. Salvin-Godman CoU. 



•i. Mexico. Gould Coll. 



