CONTENTS. 



Page. 



Introduction 7 



Eoutes of migration 8 



United States to Bahamas 9 



Florida to Cuba 9 



Western Florida to Yucatan 10 



Northern coast of the Gulf of Mexico southward 10 



Texas to Mexico by land 11 



Western migration route to Mexico 12 



Occasional routes to or through Cuba or Yucatan 13 



Southernmost extension of winter ranges of warblers of eastern North America. 14 



Species that range to the mainland of South America 14 



Species known to range to but not beyond Panama 15 



Species entering Mexico and Central America but not known to reach 



Panama 15 



Species that winter in the southern United States or the West Indies 15 



Systematic report 16 



5 



