271 



The eggs of the Chipping Sparrow are of a pointed oval shape and 

 moderatelj' glossy. Tliej' are greenish-blue, spotted and blotched, 

 almost entirely at the broad end, with dark purplish-brown or 

 blnck, and lilac-grey or pinkish-brown. The markings are sparse 

 and small in size and rarely extend to the smaller half of the egg. 

 Hpecimens measure from -Q to "72 in length, and from '5 to "od in 

 breadth. 



4. North America. 



4. North America {Sinifhs. Inst.). 



4. Fort Simpson. 



4. Fort Simjisoa. 



4. Flirt .Siiiiiisiin. 



:.'. Fo\'t Ufsolution, Grrat Slave 

 Lake {B. Ji. Hoss : Smiths. 

 Inst.). 



5. Bangor, Maine, i'Oth May (T. 



Bailey). 

 4. New York [D. G. Elliot: 



Tristram Coll. >. 

 r>. Massachusetts [Hemhmo Coll.). 

 4. Massachusetts (T. M. Brewer: 



Tristram Coll.). 

 3. West Newbury, Massachusetts, 



28tb May. 



3. Chester Co., Pennsylvania {C. J. 



Pennock). 



4. West Chester Co., Peunsvlvania, 



10th June. 

 2. Good Ground, Long Island (C. B. 

 Lowe). 



Gould Coll. 

 Saivin-Godman Coll. 

 B. R. Ross, Esq. [P.]. 

 R. R. Ross, Esq. I P.I. 

 B. R. Ross, E.sq. [P.]. 

 Salvin-Godmau Coll. 



\V. Radcliffe Saunders, Esq. 



[P.]. 

 Crowley Bequest. 



Salvin-Godman Coll. 

 Crowley Bequest. 



W. Radcliffe Saunders, Esq. 



Princeton Universitv, N. J. 



[E.]. 

 Crowlej' Bequest. 



Princeton Universitv, N. J. 



[E.]. 



Spizella mexicana, Nelson. 



Spizella socialis mexicana, Riclyw, Birds North ^ Middle Amer. i. p. 313 



(1901). 

 Spizella mexicana, Sharpe, Hand-l. v. p. 306 (1909). 



Eggs of the Mexican Chipping Sparrow are indistinguishable from 

 those of S. socialis. They measure respectively -69 by 5 and -72 

 by -51. 



1. Mexico. 

 1. Mexico. 



Gould CoU. 

 Salvin-Godman Coll. 



Spizella arizonse, Coues. 



(Plate XII. fig. 10). 



Spizella socialis, Sharpe, Cat. Birds B. M. xii. p. 660 (1888) [part.]. 

 Spizella socialis arizonse, Ridgw. Birds North ^ Middle Amer. i. p. 315 



(1901). 

 Spizella arizonse, Sharpe, Hand-l. v. p. 307 (1909^. 



Eggs of the Western Chipping Sparrow are perfectl)' similar to 

 those of S. socialis. They measure from '63 to -71 in length, and 

 from •') to "53 in breadth. 



