68 BIKDS. 



10. GEOTHLYPIS, Cabanis. GROUND WAKELESS. 



1. G. trichas, (L.) Cab. MARYLAND YELLOW THKOAT. 

 BLACK -MASKED GROUND 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. 4J; 

 W. 2; T. 2%. U. S., abundant in thickets; a pretty 

 bird with a lively song. 



2. G. Philadelphia, (Wils.) Bd. MOURNING WARBLER. 

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

 breast black, the feathers usually ashy -skirted (as 

 though the bird wore crape, hence &quot; Mourning Warb 

 ler&quot;); $ and $ not in full plumage almost exactly like 

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

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



//. ICTERIA, Vieillot. YELLOW - BREASTED CHATS. 



1. I. virens, (L.) Bd. YELLOW - 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. 3i. 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 WARBLERS. 



= Wilsonia, Nuttall (used in Botany). 



1. Jiff, mitratus, (Gm.) Aud. 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 



