1894- 



PAL^ARCTIC AND NEARCTIC REGIONS. 



443 



Families of North Temperate Land Birds with their distri- 

 bution AS regards the Pal^arctic and Nearctic Regions.' 



lit must be noted that the numbers in the "Species" columns represent the 

 species which are absent from the other region, not the number of species contained 

 in the "genera" of the preceding column, which are the genera absent from the 

 other region. 



