198 The Wilson Bulletin — No. 89 



41. Oporornis fonnosa. — Add to breeding area, " from Southeru 

 and Eastern Ohio." 



Since then Prof. Jones has found the White-throated Spar- 

 row {Zonotrichia albicollis) breeding in Ohio, in two suc- 

 cessive seasons, which should also be added to the check list. 



NINETEEN YEARS OF BIRD MIGRATION AT 

 OBERLIN, OHIO. 



BY LYNDS JONES. 



Migration studies have been carried on at Oberlin for up- 

 wards of twenty-five years, but there seem to be good reasons 

 for limiting this record to the years since 1895. The data 

 have not been presented before in this complete form because, 

 in the opinion of the writer, the records were not sufficiently 

 numerous to furnish a reliable table for the use of those who 

 may wish to continue these studies. 



For the first six years the territory covered lay almost whol- 

 ly within Lorain county, extending from about five miles south 

 of Oberlin to the shore of Lake Erie, and east and west from 

 Oberlin about five miles, comprising a territory seventeen 

 miles north and south by ten miles east and west. In this 

 area, all of which was originally virgin forest, there are two 

 river valleys extending in a northerly direction, extensive open 

 fields, remnants of the original forest, brushy tangles where 

 the dumps of abandoned sandstone quarries have been over- 

 grown, and the lake shore with its considerable marshy areas 

 at the mouths of streams. There are no 'elevations of im- 

 portance. The two river valleys now have slender remnants 

 of once considerable growth of white pine and red cedar, with 

 islands of hemlock. 



Since 1900 operations have been extended to include the 

 Cedar Point sand pit with the adjacent extensive marshes and 

 lake shore, and the narrow area bordering the road between 

 Berlin Heights and the lake shore at Ceylon Junction, and 

 also the mouth of Old Woman's Creek, the lower reaches of 

 which are extensively marshy. Perhaps it would have been 



