noxioe: 
This book is Government property. The finder 
is requested to mail it to the Bureau of Bio- 
logical Survey, Department of Agriculture, 
Washington, D. C., or deliver it to the official 
whose name appears above. A detachable addressed 
frank will be found on the last page; by tying this 
on the cover the book may be mailed without post- 
age or wrapping if fastened shut. 
GOVBieJMENT PKC^TING OFPJCB 
8—492^ 
U. S. DEPARTMENT OF AGRIGULTURf 
BUREAU OF BIOLOGICAL SURVEY 
Form Bi-6S9 
(Official title.) 
/ f 2^/ 
Period, i to 
