CHAP. XV.] 
THE NEAECTIC REGION. 
130 
TABLES OE DISTRIBUTION. 
In drawing up these tables, showing the distribution of 
various classes of animals in the Nearctic region, the following 
sources of information have been chiefly relied on, in addition to 
the general treatises, monographs, and catalogues used in the com- 
pilation of the 4th Part of this work. 
Mammalia . — Professor Baird’s Catalogue ; Allen’s List of the 
Bats ; Mr. Lord’s List for British Columbia ; Brown, for Green- 
land ; Packard for Labrador. 
Birds . — Baird, Cassin, and Allen’s Lists for United States; 
Richardson’s Eauna Boreali Americana; Jones, for Bermudas; 
and papers by Brown, Coues, Lord, Packard, Dali, and Professor 
Newton. 
