| PAGE | | Introduction | 4 | | Accidents to Migrating Birds in early October, 1954 | 6 | | General | 6 | | Accidents at Topeka, Kansas | 6 | | Description of WIBW-TV tower | 7 | | Weather conditions | 7 | | Acknowledgments | 7 | | Notes on the Species Killed at Topeka | 8 | | Randomness of the Sample | 17 | | Number of Migrants | 18 | | Differential Migration of Sex- and Age-classes | 20 | | History of the subject | 20 | | Differential migration of sex- and age-classes as shown by the Topeka sample | 23 | | Molt in Relation to Migration | 29 | | General comment | 29 | | Molt in the Topeka sample | 30 | | Size Differences according to Sex and Age | 31 | | Linear measurements | 31 | | Weights | 32 | | Computations of Longevity and Survival | 38 | | Processing of Samples | 38 | | Summary | 39 | | Literature Cited | 41 |
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