154 ANIMAL COMPETITORS 
southward into Mexico. This animal is some- 
times confused towards the north with the 
A. Mound 
B. Funnel shaped entrance loburrow 
C. Mau passa: 124% inch, uniduanedler 
Che. 
; De iaag "9a feel ur length, 
E. unused nestsfilledwith eartrerefse. 
ed joan tect, 6 
F. teased vat of herrea ray od 
6.Wiche large enough for one prairie dog 
H. vest of grass(ttuech uvdvamelerby Sim 
Hest af gress ee . 2 
U.Apsorbent maller carrying bisulpheds 
carbon. i 
K Posty of a dogs as found alter 
Ldepih of horizontal passage, (ect 
nero 
DIAGRAM OF A PRAIRIE-DOG’S BURROW. 
larger gray gophers, especially the Columbian 
and Franklin’s, so that we wrongly hear of 
