9UL.62, Bureau of Entomology, U. S. Dept. of agriculture. 



Plate V- 



Tfu dotudjMTts o/'fAcAtisCral Zone^ ca-iC 

 of t^A Greai' Ptatns inihrxcU; *Ac f<rlifjy oT th£ 

 ?iVJ"txct dxAi'sfjrrs oft?\^se ZonAS, ?ir\<ni'n. re.i/jcc 



n/iajixutfutin/is. Tfie.nntiotUdfjMU'O: of'Oui 

 Sum-i- Zones a^t- A-noyyrt, ec-f Ch£. TranxiXtMn-,, 

 t/pp(>r Sonorajx, a/uf. Low^^'^ 'yon 



Gorrt'ctcd to Dficcin'bei-,1897 



LIFE ZONES or THE UNITED STATES 



BY 



C. HART MERFUAM 



