CONTENTS. 



PAQE 



Publications of the Year, . 5 



Material in Preparation for Publication, .... 6 



Matters regarding International Bird Protection in America, . 6 

 Constitutionality of the Migratory Bird Treaty Act afcmed by 



the Supreme Court of the United States, . . . 8 

 Constitutionality of the Migratory Bird Convention Act affirmed 



by the Supreme Court of Prince Edward Island, . 8 



Complaints of Lawbreaking, . . 9 



Inquiries from Outside Massachusetts, 9 



Special Investigations, .... . . 10 



Sapsucker Work and Similar Work by Other Woodpeckers, 10 



The Heath Hen, . .23 



Exhibitions, . 23 



The Bird Hospital, 23 



Bird Days, . . ... . 24 



Bird Migrations observed during the Year, ... 24 



December, 1919, 25 



A Southward Movement of Wild Fowl, 25 



Movement of Grebes and Jays, . 25 



January, 1920, ... 26 



A Southward Movement of Land Birds, . 26 



Geese wintering, . 27 



February, ... 27 



Birds destroyed by Storm and Cold, . . 28 



Great Blue Heron and Cowbirds wintering, . 28 



Winter Land Birds moving Coastward, . 28 



March, . . 28 



Bird Mortality, ... .29 



The Northward Movement begins, 29 



The First Great Bird Wave, 29 



April, ...... 30 



A Retrograde Movement, .... 30 



Northward Flights of Hawks and Other Land Birds, 30 



May, ... 31 



The Spring Movement of Warblers, 31 



Passenger Pigeons reported, 32 



