PROC. U. S NAT MUS VOL. 110 



GURNEY AND BROOKS, PLATE 2 



/ 



iM^iM''- 





.l-f 



A-c, Melanoplus bilituratus defectiis: a, uutIc from Pendleton's Ranch, 4 miles south of 

 Tumacacori, Ariz.; b, male from Tcmpe, Ariz., reared; c, female from Chandler, Ariz. 

 D, M. spretus, female from Iowa, 187.i. 



