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|XIV||A Novel Theory of Extinction
By C. H. Ames and Robert Ridgway
|XV||News from John Burroughs||179|
|XVI||The Pigeon in Manitoba||186|
|XVII||The Passenger Pigeon in Confinement
By Ruthven Deane, in "The Auk"
|XVIII||Nesting Habits of the Passenger Pigeon
By Dr. Morris Gibbs, in "The Oölogist"