2. 
Sa" 
AG 
GEN. 23-34 OF KEY. 15 
50a. ANORTHURA TROGLODYTES (L.) Cs., 
var. ALASCENSIS (Bd.) Cs. 
Alaskan Wren. 
51. TELMATODYTES PALUSTRIS (Wits.) Cas. 
Long=Dpilied Viarsh Wren. 
52. CISTOTHORUS STELLARIS (Licurt.) Cas. 
Short-billed Marsh Wren. 
53. EREMOPHILA ALPESTRIS (Forst.) Bor. 
Horned Lark; Shore Lark. 
53a. EHREMOPHILA ALPESTRIS (Forsr.) Born, 
var. CHRYSOLEMA (Wagl.) Bd. 
South-western Lark. 
54. BUDYTES FLAVA (2.) Cuv. 
Wellow Wasgtail. 
55. ANTHUS LUDOVICIANUS (Gm.) Licur. 
Brown Lark; Vitlark; Pipit. 
56. NEOCORYS SPRAGUEHI (Aup.) Sct. 
Missouri Skylark. 
57. MNIOTILTA VARIA (L.) V. 
Biack-and-white Creeper. 
58. PARULA AMERICANA (L.) Bp. 
Biue yeliow-backed Warbler. 
59. PROTONOTARIA CITRZZA (Bopp.) Bp. 
Prothonotary Warbler. 
60. HELMITHERUS VERMIVORUS (Gm.) Bp. 
Worm-eating Warbler. 
61. HELMITHERUS SWAINSONI (Avp.) Bp. 
Swainson’s Warbler. 
62. HELMINTHOPHAGA PINUS (L.) Bp. 
Blue-winged Yellow Warbler. 
