vi Contents 



CHAPTER PAGE 



XIV A Novel Theory of Extinction . . . 173 



By C. H. Ames and Robert Ridgway 



XV News from John Burroughs . . . . 179 



XVI The Pigeon in Manitoba . . . , . 186 

 By George E. Atkinson 



XVII The Passenger Pigeon in Confinement . . 200 



By Ruthven Deane, in "The Auk*' 



XVIII Nesting Habits of the Passenger Pigeon . 209 



By Dr. Morris Gihbs, in " The Oblogist " 



XIX Miscellaneous Notes 



217 



