154 



ANIMAL COMPETITORS 



southward into Mexico. This animal is some- 

 times confused towards the north with the 



''^"v'Sf? 1 



m 







:v -: 



A.M4, 



B. Funnel jhafifd entrance, to Uurrcnf 



C. McufVflttfsagt^ inch uvduurteter 



HjIrtjonM 



J. A l/jorbent matter carry uta buutfJudt 



. of carbon. 

 KjbsUipnof. 



DIAGRAM OF A PBAIBIE-DOG'S BURROW. 



larger gray gophers, especially the Columbian 

 and Franklin's, so that we wrongly hear of 



