140 



ZOOLOGICAL GEOGRAPHY. 



[part III. 



TABLE I. 

 FAMILIES OF ANIMALS INHABITING THE NEARCTIG REGION. 



Explanation. 



Names in italics show the families which are peculiar to the region. 



Names inclosed thus ( ) show families which barely enter the region, and are not 



considered properly to belong to it. 

 Numbers correspond to the series of numbers to the families in Part IV. 



