THE BIRDS 
OF 
NORTH AND MIDDLE AMERICA: 
A DESCRIPTIVE CATALOGUE 
OF THE 
HIGHER GROUPS, GENERA, SPECIES, AND SUBSPECIES OF BIRDS 
KNOWN TO OCCUR IN NORTH AMERICA, FROM THE 
ARCTIC LANDS TO THE ISTHMUS OF PANAMA, 
THE WEST INDIES AND OTHER ISLANDS 
OF THE CARIBBEAN SEA, AND THE 
GALAPAGOS ARCHIPELAGO. 
BY 
ROBERT RIDGway, 
CURATOR, DIVISION OF BIRDS. 
Part Y. 
Family PTEROPTOCHIDA—The Tapaculos. Family DENDROCOLAPTIDA—The Woodhewers. 
Family FORMICARIIDA\—The Antbirds, Family TROCHILIDA—The Humming Birds. 
Family FURNARIIDM—The Ovenbirds. Family MICROPODIDA—The Swifts. 
Family TROGONIDA—The Trogons, 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1911. 
