ae EE fionthly throughout the hie Entered at the post office at lowa City, 
: ae = c $m 
FIRST = Nes 21 OCTOBER, 1918 
: "UNIVERSITY OF JOW. 
STUDIEK “alia 
) — (* MAYL0 4919. + 
? Sf) 
onal Mysos 





: oo IN NATURALHISTORY _ 
ate ~ Continuation of Bulletin from the Laboratories of Natural Bias 
pe a of the State University of lowa 
— vi Nomen 1 
-__THE ANIMAL ECOLOGY OF 
| _ JOHNSON COUNTY _ 
io eee ee BY 
DANIEL MILTON BRUMFIEL 
2 = - PUBLISHED B BY 1 THE Ee IOWA CITY | 
-lowa as second- 
tter. Acceptance for speci Ze rate of postage provided f ti 10 3 
Ret of October 3, 1917, authorized BE n july, 3, 1918, Se ees Bghigen aie 
