1893.] 



NATURAL SCIENCES OF PHILADELPHIA. 



65 



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Sylvania pusilla 



Setophaga ruticilla 



Anthus pensilvanicus 



Cinclus mexicana 



Galoescoptes carolinensis 



Thryothorus bewicki spilurus 



Troglodytes aedon parkmani 



Troglodytes hiemalis pacificus 



Cistothorus palustris paludicola 



Gerthia familiaris montana 



Certhia familiaris occidentalis 



Sitta carolinensis aculeata 



Sitta canadensis 



Sitta pygmaea 



Parus atricapillus septentrionalis 



Parus atricapillus occidentalis 



Parus gambeli 



Parus hudsonicus columbianus 



Parus rufescens 



Regulus satrapa olivaceus 



Regulus calendulus 



Myadestes townsendi 



Turdus fuscescens salicicolus 



Turdus ustulatus 



Turdus ustulatus swainsonii 



Turdus aonalaschkae 



Turdus aonalaschkse pallasii 



Merula migratoria propinqua 



Hesperocichla naevia 



Sialia mexicana 



Sialia arctica 



10 

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