INTRODUCTION. 



29 



H. Irregtdar or casual Vis-ltants from the JVestcrn Province. 



1. Sialia arctica. (Winter.) 



Myadestes townsendi. (Winter.) 

 Rhynohophanes maeeowni. (Winter.) 

 Zonotriehia querula. (Spring and 

 fall.) 



Junoo oresonus. (Fall.) 

 Seolecophagus eyanoeephalus. (Win- 

 ter.) 



7. Pica hudsoniea. (Winter.) 



8. Sayoruis sayi. (Season not linown.; 



9. Bubo subaretieus. 



10. Faleo mexieanus. (Pall.) 



11. Buteo krideri. (Summer.*) 



12. Buteo calurus. (Spring.) 



13. Archibuteo t'errugineus. (Pall.) 



14. Anas eyanoptera. 



I. Regular Residents or Visitants tvhich intnidc from the Westward. 

 a. Observed only in Summer. 



1. Vireobellii. (Breeding.) 



2. Spizella pallida. (Breeding.) 



3. Xanthocephalus xanthoeephalus. (Breeding.) 



4. Chordeiles henryi. (Breeding?) 



b. Observed only in Winter, or during migration. 



5. Coceothr-iuBtes vespertinuf. 



6. Ammodramus leeontel. (Breeding?) 



7. Colymbus californious. 



c. Observed irrespective of season. 



8. Chondestes grammaea. (Breeding.) 



9. Sturnella negleeta. (Breeding.) 



10. Buteo swainsoni. (Breeding.) 



11. PediooEBtes oampestris. (Breeding.) 



J. Stragglers and doubtful species, the former including those of 

 which not more than one specimen has been taken or obsen'ed. 



1. Sialia arctica. W. 



2. Myadestes townsendi. W. 



3. Parus hudsonieus. N. 



4. Junco oregonus. N. 

 .1. Passerina ciris. S. 



G. Pioa hud?oniea. N. 



7. Sayornis sayi. W. 



8. Buteo calurus. W. 



9. Buteo krideri. N. W. 



10. Buteo harlani. S. 



11. Asturnia plaglata. S. 



12. Ardea oecidentalig. S. 



13. Pelecanus fuseus. S. 



14. Phalaoroooras mexieanus. 8. 



* Probably breeding. 



