GEN. 23-34 OF KEY. 15 



50a. ANOBTHTJBA TBOGLODYTES (L.) Cs., 

 var. ALASCENSIS (Bd.) Cs. 

 Alaskan Wren. 



51. TELMATODYTES PALTTSTBIS (WiLS.) CAB. 

 Long'-billed Marsh Wren. 



52. CISTOTHOBUS STELLABIS (LIGHT.) CAB. 

 Short-billed Marsh Wren. 



- 53. EBEMOPHILA ALPESTBIS (FORST.) BODE. 



Horned !Lark; Shore JLark. 



53a. EBEMOPHIIiA ALPESTBIS (FOKST.) BOIE, 

 var. CHRYSOL^EMA (Wagl.) Bd. 

 South- we*t*rn I,ark. 



54. BUDYTES FLAVA (L.) Cuv. 

 Yellow Wag-tall. 



- 55. ANTHTJS LUDOVICIAJSTTS (Gxi.) LIGHT. 



Mro^vii Lark; Titlark; Pipit. 



56. NEOCOBYS SPBAGUEI (Am>.) SCL. 

 Missouri Skylark. 



- 57. MNIOTILTA VABIA (L.) V. 



Black-and-white Creeper. 



- 58. PABULA AMEBICAWA (L.) BP. 



Blue yello^v-baeked "Warbler. 



59. PBOTONOTABIA CITB^A (BODD.) BD. 



Prothonotary W r arbler. 



60. HELMITHEBUS VEBMIVOBUS (GM.) BP. 



W^orm-eating- Warbler. 



61. HELMITHEBUS SWAINSONI (AuD.) BP. 



Swainson's W r arbler. 



62. HELMINTHOPHAGA PIWTJS (L.) BD. 



Blue-wingred Yellow ffarbler. 



