MNIOTILTID*. 



Siurus niBviug, Sharpe, Cat. Birds B. M. x. p. 343 (1885) ; Neltrh. Kat. 

 Eiei-samml. p. 89 (1899). 



The eggs of the Water-Thrush do not appear to be separable 

 from those of 8. auricapiUus, except by their rather smaller size. 

 They measure from -75 to -8 in length, and from -59 to -61 in 

 breadth. 



2. Fort Peel's River, Arctic America Salvin-Godman OoU. 



(C. P. Oaudet : Smiths. Inst.). 

 6. Mackenzie River District. B. R. Ross, Esq. [P.]. 



3. York Factory, Hudson's Bay. Admiral A. H. Markham [P.]. 



Genus GEOTHLYPIS, Cah. 



Geothlypis trichas (Linn.). 



Geothlypis trichas, Lord, Proc. R.A. Inst., Woolwich, iv. p. 338 (1865) ; 

 Baird, Brewer ^ Midgw. N. Amer. Birds, i. p. 297 (1874) ; Salv. ^ 

 Godm. Biol. Centr.-Amer., Aves, i. p. 160 (1881) ; Sharpe, Cat. 

 Birds B. M. x. p. 351 (1885) ; Nehrlc. Kat. Eiersamml p. 89 (1899) ; 

 Sharpe, Hand-l. v. p. 113 (1906). 



The eggs of the Maryland Yellow-throat, or Black-masked 

 Ground- Warbler, are of a broad oval form and moderately glossy. 

 They are white, speckled, spotted, blotched, and sometimes marbled, 

 chiefly at the broad end, with reddish-brown, chestnut, purplish- 

 brown, and lavender or lilac. They measure from "BB to -75 in 

 length, and from '52 to -58 in breadth. 



10. North America (HisjjsAaw CoM.). Salvin-Godman Coll. 



1. North America. Old Collection. 



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



4. British Columbia. Dr. Lyall [PJ. 



4. British Columbia. J. K. Lord, Esq. [P.]. 



5. Chester Co., Pennsylvania, 3rd Crowley Bequest. 



June (T. H. Jackson). 



1. Virginia (Dr. Koldock : Tristram Crowley Bequest. 



Coll.). 



3. Princeton, N. J., 26th Mil y (with Princeton University, N.J. 



1 egg of Molothrus pecoris). [EJ. 



3. Hyde Park, Massachusetts, 20th W. Radcliflfe Saunders Esq 



May. [P.]. ^ 



Geothlypis occidentalis, Br'ewst. 



Geothlypis occidentalis, Sharpe, Cat. Birds B. M. x. p. 351 (1885) • 

 Itidgw. Birds of North $ Middle Amer. ii. p. 668 (1902"> • Shame 

 ^a«6?-;. V. p. 114 (1906). ^ ■'' ^' 



An egg of the Western Yellow-throat closely resembles eggs of 



0. trichas, but is rather smaller. It measures '65 by -5. 



1. Corpus Christi, Texas, 2nd May. W. Radcliffe Saunders, Esa 



[P.]. ^- 



