266 TRINUILLID^. 



The eggs of Cassin's Sparrow are of a regular oval form, 

 moderately glossy, and plain white. They measure from -68 to -79 

 in length, and from -54: to -6 in breadth. 



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



1. North America, 20th May. W. Radcliffe Saunders, Esq. 



[P.]. 

 3. Texas, April. W. Radcliffe Saunders, Esq. 



[P.]. 



Genus AMPHISPIZA, Coues. 

 AmpMspiza bilineata (Cassin). 



Poospiza bilineata, Heermann, Sep. Pacif. R. It. Surv. x. pt. iv. p. 14 



(1859) [part. ; San Antonio, Texas] ; Baird, Brewer 8f Ridgw. N. 



Amer. Birds, i. p. 590 (1874) [part.]. 

 Amphispiza bilineata, Salv. £/■ Godm. Biol. Centr.-Amer., Aves, i. p. 367 



(1886) ; Sharpe, Cat. Birds B. M. xii. p. 628 (1888) [part!] : id. 



Hand-l. v. p. 300 (1909). 

 Amphispiza bilineata bilineata, Midgw. Birds North §• Middle Amer. i. 



p. 263 (1901). 



Three eggs of the Black-throated Sparrow are of a regular oval 

 shape, very glossy, and plain white. They measure from -65 to -73 

 in length, and from -62 to 'So in breadth. 



1 . Rio Madeira, Texas (A. L. Seer- Crowley Bequest. 



mann: Tristram Coll.) 

 3. Kockport, Texas, May. W. RadoHffe Saunders, Esq. 



AmpMspiza deserticola, Ridgw. 



Poospiza bilineata, Henshaw, Rep. Wheeler's Surv. v. p. 274 (1875). 

 Amphispiza bilineata deserticola, Ridgw. Birds North ^ Middle Amer. i. 



p. 265 (1901). 

 Amphispiza deserticola, Sharpe, Sand-l. v. p. 300 (1909). 



Three eggs of the Desert Sparrow are of a rather broad oval 

 form, distinctly glossy, and plain bluish-white. They measure 

 respectively : •? by -58 ; -71 by -57 ; -71 by -57. 



3. Arizona (H. W. Henshaw). Salvin-Godman Cell. 



AmpMspiza belli {Cassin). 

 (Plate XII. flg. 17.) 



Amphispiza belli, Sharpe, Cat. Birds B. M. xii. p. 629 (1888) ; id, 



Hand-l. v. p. 300 (1909). 

 Amphispiza belli belli, Ridgw. Birds North 8f Middle Amer. i. p. 267 



(1901). 



Four eggs of Bell's Sparrow are of a regular oval shape and 



