6S BIRDS. 



fO. GEOTHLYP/S, Cst}D3ims. Ground Warblees. 



1. G. trichas, (L.) Cab, Maryland Yellow Throat. 

 Black -Masked Grouxd Warbler. Olive green; fore- 

 head and broad mask extending down sides of head and 

 neck jet black, bordered behind with clear ash; under 

 parts yellow, clear on throat and breast; ? obscurely 

 marked, without black mask and with less yellow; L. 4|^; 

 W. 2:^; T. 'l^. U. S., abundant in thickets; a pretty 

 bird with a lively song. 



%. G. Philadelphia, (Wils.) Bd. Mourning Warbler. 

 Bright olive, clear yellow below; head ashy; throat and 

 breast black, the feathers usually ashy - skirted (as 

 though the bird wore crape, hence " Mourning Warb- 

 ler"); $ and (5 not in full plumage almost exactly like 

 O. agills^ but the tail as long as wings; L. 5^; W. 2^; 

 T. 2:f. E. U. S., rather rare, in dense thickets. 



//. ICTERIA, Vieillot. Yellow -Breasted Chats. 



1. /. virens, (L.) Bd. Yelloav - Breasted Chat. 

 Olive -green; throat and 'breast bright yellow; belly 

 abruptly white; lores black, a white superciliary line; 

 wings and tail plain; tarsus almost booted; L. 7^; W. 

 3i; T. 3^. U. S., southerly; N. to Mass. and Wis. {Cope- 

 land.) A loud, quaint songster, often placed with the 

 Vireos^ but having little affinity with any of our groups. 



*12. MYIODIOCTES, Audubon. Fly-Catching Warb- 



LERS. 



1. M. mitratus, (Gm.) Bon. Hooded Fly-Catching 

 Warbler. Yellow- Masked Warbler. Bright yellow- 

 olive, crown and neck all around jet black, enclosing a 

 broad golden mask; under parts from the breast bright 

 yellow ; tail with white blotches ; $ olive instead of 



