368 NEW NORTH AMERICAN MELANOPLI (ORTHOPTERA) 



Allotype. — 9 ; same data as type. [Hebard Collection.] 



Agrees with male except in the following respects Size larger, form more 

 robust. Vertex broader, the vertex and frontal costa with depressed areas 

 even weaker. Eye one and three-quarters times as long as infra-ocular sul- 

 cus. Tegmina (averaging) slightly shorter (in the series falling a brief dis- 

 tance short of the apices of the caudal femora to extending as far as the apex 

 of the supra-anal plate). Ovipositor valves rather elongate, with distal 

 curvature moderately decided. 



Measurements (in millimeters) 



Length of Caudal Length of Width o] 



_7i Length of pro- width of Length of caudal caudal 



u body notum pronotum tegmen femur femur 



Lost Mine Peak, 



Texas, type.. 29.5 6.8 4 21.5 15.6 4.4 



Lost Mine Peak, 

 Texas, para- 

 types (18) 25.5-30 6-7 3.8-4.3 17.4-22.7 13.8-16.8 3.8-4.7 



Chisos Mount- 

 ains, Texas 15 

 (13) 26.7-31.7 6.2-7 4-4.4 17-22.7 15-16.8 4.1-4.5 



Sanderson, Tex- 

 as 32 7.7 4.1 24.2 18 4.9 



Organ Mount- 

 ains, New 

 Mexico (2).... 26.5-28.8 6.4-6.4 3.8-3.8 19.5-20.5 15.1-15.7 4.4-4.3 



9 



Lost Mine Peak, 

 Texas, allo- 

 type 34 16 . 7.3 4.8 20.7 17 4.6 



Lost Mine Peak, 

 Texas, para- 

 types (8) 30.7-39.7 7.3-8.4 4.7-5.7 19.8-22.8 16.2-19.2 4.2-5.2 



Chisos Mount- 

 ains, Texas 15 

 (12).....'.... 36.4-40 8.6-9 5.6-5.7 23.1-26.4 19-19.8 5-5.3 



Sanderson, Tex- 

 as 42 9.2 5.9 28 21.2 5.3 



Organ Mount- 

 ains, New 

 Mexico (2)... 37-35 16 8-8.6 5-5.2 21.8-23 18.2-20 5-4.8 



Florida Mount- 

 ains, New 

 Mexico 36 7.4 4.8 19.2 17 4.1 



15 In canyon behind Pulliam Bluff. 



16 Length estimated, abdomen extended in specimen. 



