GEN. 23-34 OF KEY. 15 



50a. ANOBTHITBA TROGLODYTES (L.) Cs., 

 var. ALASCENSIS (Bd.) Cs. 

 Alaskan Wren. 



51. TELMATODYTES PALUSTBIS (WiLS.) CAB. 



Longr-MIIetl Marsh Wren. 



52. CISTOTHOBUS STELLABIS (LIGHT.) CAB. 



Short-billed Marsh Wren. 



53. EBEMOPHILA ALPESTBIS (FORST.) BOIE. 



Horned Lark; Shore Lark. 



53a. EBEMOPHILA ALPESTBIS (FousT.) BOIE, 

 var. CHRYSOL^EMA (Wagl.) Bd. 

 South-western Lark. 



54. BUDYTES FLAVA (L.) Cuv. 



Yellow Wag-tail. 



55. ANTHUS LUDOVICIANUS (GM.) LIGHT. 



llrowii Lark; Titlark; Pipit. 



5G. NEOCOBYS SPBAGUEI (AuD.) Sci/. 



Hissouri Skylark. 



57. MNIOTILTA VABIA (L.) V. 

 Black-and-white Creeper. 



58. PABULA AMEBICANA (L.) BP. 

 Blue yello^v-hacked Warbler. 



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



JProthonotary YFarbler. 



60. HELMITHEBUS VEBMIVOBUS (GM.) BP. 



61. HELMITHEBUS SWAINSONI (Auo.) BP. 



Swainson's ff r arbler. 



62. HELMINTHOPHAGA PINUS (L.) BD. 



Blue-wingred Yellow 



