48. 
49. 
50. 
58a. 
59. 
59a. 
PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM, 
PARUS HUDSONICUS Forst. 
Hudsonian Chickadee. [296.] 
PARUS RUFESCENS Towns. 
Chestnut-backed Chickadee. [295.] 
PARUS RUFESCENS NEGLECTUS, Rivew. 
Californian Chickadee. 
PSALTRIPARUS MINIMUS (Towns.) Bp. 
Least Tit. [298.] 
PSALTRIPARUS PLUMBBEUS. Bairp. 
Lead-colored Tit. [299.] 
PSALTRIPARUS MELANOTIS (Hartt.) Bp. 
Black-eared Tit. [297.] 
AURIPARUS FLAVICEPS (SUNDEV.) Barrp. 
Yellow-headed Tit. [300.] 
SITTA CAROLINENSIS GMEL. 
White-bellied Nuthatch. [277.] 
SITTA CAROLINENSIS ACULEATA (Cass.) ALLEN. 
Slender-billed Nuthatch. [273.] 
SITTA CANADENSIS Lixy. 
Red-bellied Nuthatch. [279.] 
SITTA PUSILLA Lartu. 
Brown-headed Nuthatch. [220.] 
SITTA PYGMA Vic. 
Pigmy Nuthatch. [281.] 
CERTHIA FAMILIARIS RUFA (Bartr.) RIDGw. 
Brown Creeper. [275.] 
CERTHIA FAMILIARIS MEXICANA (GLOoGER) Ripew. 
Mexican Creeper. [276.] 
CAMPYLORHYNCHUS BRUNNEICAPILLUS (Larr.) GRay. 
Cactus Wren. [262.] 
CAMPYLORHYNCHUS AFFINIS. XanrTus. 
Saint Lucas Cactus Wren. 
SALPINCTES OBSOLETUS (Say) CaBANn. 
Rock Wren. [264.] 
SALPINCTES OBSOLETUS GUADALUPENSIS Ruivew. 
Guadalupe Rock Wren. 
CATHERPES MEXICANUS (Sw.) Barrp. 
Mexican White-throated Wren. [263.] 
CATHERPES MEXICANUS CONSPERSUS Rinew. 
White-throated Wren. 
169 
