SYLVICOLID^E. XXVII. 63 



Crown bluish or yellowish, not as above some yellow. 

 Throat black (sometimes obscured by yellow tips to 

 feathers) ; outer tail feather white-edged. wrens, 13. 



Throat yellow; back ashy blue; cheeks black. 



dominica, 10. 



back yellowish olive; cheeks same. 



pinus, 14. 

 We copy from Coues' key the following valuable 



DIAGNOSTIC MARKS OF WARBLERS IN ANY PLUMAGE. 

 A white spot at base of primaries. . . . ccemlescens, 2. 

 Wings and tail dusky, edged with yellow. . . cestiva, 1. 

 Wing bars and belly yellow. . discolor, 12. 



Wing bars yellow and belly pure white. . pennsylvanica, 6. 

 Wing bars white and tail spots oblique, at end of two outer 



feathers only pinus, 14. 



Wing bars brownish ; tail spots square at end of two outer feathers 



only palmarum, 15. 



Wing bars not evident ( ?) ; whole under parts yellow ; back with 



no greenish kirtlandi, 11. 



Tail spots at end of nearly all the feathers, and no definite yellow 



any where. c&rulea, 5. 



Tail spots at middle of nearly all the feathers ; rump and belly 



yellow maculosa, 4. 



Rump, sides of breast (usually) and crown with yellow ; throat 



white. coronata, 3. 



Throat definitely yellow; belly white; back with no greenish. 



dominica, 10. 



Throat yellow or orange ; crown with at least a trace of a central 

 yellow or orange spot, and outer tail feather white-edged 

 externally blackburnice, 9. 



Throat, breast and sides black, or with black traces (seen on part- 

 ing the feathers); sides of head with diffuse yellow; outer 

 tail feather white-edged externally. . . . mrens, 13. 



With none of the foregoing special marks. 



striata 8 or castanea 7 . 



