THE 



WILSON BULLETIN 



NO. 52. 



A QUARTERLY JOURNAL OF ORNITHOLOGY 



VOL. XVII. SEPTEMBER, 1905. No. 3 



BIRD MIGRATION AT OBERLIN, OHIO. 



BY ROBT L. BAIRD. 



In The Wilson Bulletin No. 40. September, 1902, an article 

 upon "The Spring Migration of 1901, With an Average Table 

 for Lorain County, Ohio," occurs under the writer's name. 

 The presnt article has to do with the southward as well as with 

 the northward migration, attempting to give the whole annual 

 movement of the migratory birds. The former table of migra- 

 tions was based upon a relatively few records, while the pres- 

 ent one has for its basis all of the records made in the region 

 of Oberlin for the past ten years. 



For the greatest number of records I am indebted to Pro- 

 fessor Lvnds Jones, whose field studies have been so exten- 

 sive about Oberlin. For many records I wish to express my 

 thanks to Messrs. S. D. Morrill, D. F. Nye, and H. H. Skin- 

 ner, who have shown great interest in the work and frequently 

 accompanied us on trips. A large number of records are from 

 my own note-bocks. Practically all of the records are from 

 were made bv myself, in the absence of Professor Jones. 



It must be borne in mind that the dates given are for migra- 

 ing birds. Several species which are listed among the mi- 

 grants are represented all the year by a few individuals, while 

 some which are given as passing north of this region to breed, 

 and returning south of it to spend the winter, are represented 

 all winter by a few individuals. Species belonging to both 

 classes will be found mentioned in the appropriate places. 

 Those persons who take the trouble to compare this series of 



