68 MNIOTILTID2E. 



Siurus namus, Sharps, Cat. Birds B. M. x. p. 343 (1885) ; Nehrk. Kat. 

 Eiersamml. p. 89 (1899). 



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

 from those of S. auricapillus, 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-Godinan Coll. 



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

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



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



Genus GEOTHLYPIS, Cab. 



Geothlypis trichas (Linn.). 



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

 Baird, Breiver 8f Ridgw. N. Amer. Birds, i. p. 297 (1874) ; Salv. $ 

 Godm. Biol Centr.-Amer., Aves, i. p. 150 (1881) ; Sharpe, Cat. 

 Birds B. M. x. p. 351 (1885) ; Nehrk. 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 *66 to '75 in 

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



10. North America (Henshaw Coll.). Salvin-Godrnan Coll. 



1. North America. Old Collection. 



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



4. British Columbia. Dr. Lyall [P.], 



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 May (with Princeton University, N.J. 



1 egg of Molothrus pecoris] . [E.]. 



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



May. [P.]. 



Geothlypis occidentalis, Brewst. 



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

 Ridgw. Birds of North $ Middle Amer. ii. p. 668 (1902) ; Sharpe. 

 Hand-l. v. p. 114 (1906). 



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

 G. trictias, but is rather smaller. It measures -65 by *5. 



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



