68 MNIOTILTID ZH. 
Siurus neevius, Sharpe, Cat. Birds B. M. x. p. 343 (1885); Nehrk. Kat. 
Etersammil, 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-Godman 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, Brewer § Ridgw. N. Amer. Birds, i. p. 297 (1874); Salv. & 
Godm. Biol. Centr.-Amer., Aves, 1. p. 150 (1881); Sharpe, Cat. 
Birds B. M.x. p. 851 (1885) ; Nehrk. Kat, Liersammi. p. 89 (1899) ; 
Sharpe, Hand-l. y. p. 115 (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-Godman 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 (7. H. Jackson). 1 
1. Virginia (Dr. Koldock : Tristram Crowley Bequest. 
Coll.). : 
3. Princeton, N.J., 26th May (with Princeton University, N.J. 
1 ege 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) ; 
Ridqw. Birds of North § Middle Amer. ii. p. 668 (1902); Sharpe, 
Hand-l. vy. p. 114 (1906). 
An egg of the Western Yellow-throat closely resembles eggs of 
G. trichas, but is rather smaller. It measures -65 by ‘5. 
1. Corpus Christi, Texas, 2nd May. W. Radcliffe Saunders, Esq. 
(es 
ses * 
