INTRODUCTION. XXXV 



Table III. 



List of Species of which considerable numbers are resident all the year in the Fur Countries, 

 but of which detachments (mostly young birds?) visit the United States in winter. 



Falconid^;. Accipiter (Astur) palumbarius ? 



StrigidjE. Strix funerea, St. nyctea. 



LaniadjE. Lanius borealis. 



Fringillid^:. Emberiza (Plectrophanes) nivalis, E. (P.) Lapponica, Pyrrhula (Corythus) 



enucleator, Loxia leucoptera, Linaria minor (visits the United States in some winters only) . 

 CorvidjE. Garrulus Canadensis. Corvus pica (Missouri in winter). 

 Anatid^:. Somateria mollissima. — This and the three following species keep the sea in the 



higher latitudes, a few individuals only resorting to the coasts of the United States. 

 AiXADiE. Uria troile, U. Brunnichii, U. grylle. In all 15. 



Table IV. 



List of Species which are resident all the year both in the Fur Countries and in 



Pennsylvania. 



Strigid^e. Strix otus, St. nebulosa ? St. (Bubo) Virginiana. 



SylviaDjE. Parus atricapillus. 



CorvidjE. Corvus Corax. 



Picid^e. Picus (Dryotomus) pileatus, P. (Dendrocopus) villosus, P. (D.) pubescens. 8. 



Table V. 



List of Species which are resident all the year in Pennsylvania, and visit the Fur 



Countries in summer only. 



Falconidje. Aquila (Haliseetus) leucocephala, Falco sparverius, Accipiter Pennsylvanicus ? 



Buteo borealis. 

 Merulid^:. Merula migratoria. Only a few summer in Pennsylvania. 

 FringillidjE. Fringilla (Zonotrichia) graminea, F. (Z.) Pennsylvanica. 

 Sturnid^:. Sturnella Ludoviciana. 

 Corvid^:. Corvus corone, Garrulus cristatus. 



Picid.e. Picus (Dendrocopus) varius, Colaptes auratus. Melanerpes erythrocephalus. 

 Grallatores. Charadrius vociferus (seen nearly the whole year near Philadelphia), Va- 



nellus melanogaster. In all 15. 



e 2 



