APPENDIX. 325 



on winfT; tip of tail, black. $. grayer : broad white bands 

 on wins:s. Western U. S, ; accidental in Me. 



CLARK NUTCRACKEK, Nucifraga columbiana. 



Size of Blue Jay. (p. 194); bill, lonojer and more point- 

 ed ; gTSLv, wincrs and tail, black, patch on former and spot 

 on outer feathers of latter, white. Western X. A. ; acci- 

 dental in Wis. 



ACADIAN CHICKADEE, P. h. littoralis, 

 Differs from Hudsonian Chickadee (p. 197) in being 

 smaller. Southeastern British Possessions; south in win- 

 ter into N. E. 



TOWNSEND CHICKADEE. 

 Differs from last in being darker throughout; no ru- 

 fous on sides below. Coast region of Labrador; south in 

 winter into N, E. 



YELLOW-GREEN VIREO, V. flavoviridis. 

 Differs from Red-eyed Yireo (p. 267) in being brighter 

 green above; under parts much tinged with dull yellow; 

 sulphur- yellow on under tail coverts and wingf lining. 

 Mexico and southward : accidental in Quebec, Canada. 



WAYNE WARBLER, V. v. waynei. 

 Differs from Black-throated Green Warbler (p. 242), 

 in being smaller; duller in color, less black on throat, and 

 yellow markings paler. Breeds in S. C. Recently described 

 by Mr. Oulram Bangs. 



PRAIRIE MARSH WREN, T. p. illiacus. 

 Differs from Long-billed Marsh Wren (p. 275) in being 

 more rusty above and on tianks. Great plains and prairies 

 of central U. S. ; south in Winter to western Fla. ; casual 

 in Carolinas and Va. 



