372 NEW NORTH AMERICAN MELANOPLI (ORTHOPTERA) 



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

 Agrees with male except as follows: Size larger; form more robust, though 

 distinctly more slender than females of p. viola. Vertex broader, the vertex 

 and frontal costa with depressed areas weaker. Eye nearly one and four- 

 fifths as long as infra-ocular sulcus. Tegmina proportionately decidedly 

 shorter, reaching to two-thirds of distance to apex of abdomen (normal con- 

 dition in the series, rarely reaching three-quarters distance to apex of ab- 

 domen). Ovipositor valves moderately elongate, with distal curvature 

 moderately decided (though apparently not as decided as in ponderosus). 



Measurements (in millimeters) of extremes 



Length Caudal Length of Width of 



■7, Length of of pro- width of Length of caudal caudal 



O body notum pronotum tegmen femur femur 



Memphis, Tenn- 

 essee (2) 24.9-27.2 6.1-6 3.6-3.8 15.7-13.2 15.7-16 3.7-3.8 



Greenville, Miss- 

 issippi (2).. . . 26.7-26.8 6-6.3 3.6-3.4 16-15.6 15.6-15.8 4-3.9 



Strickton, Miss- 

 issippi, type . . 26.5 6.3 3.8 15.4 16.8 3.9 



Strickton, Miss- 

 issippi, para- 

 types (14).... 26.5-29 6.3-7.2 3.7-4 14.7-17.2 15.8-17.7 3.9-4.2 



Hattiesburg, 

 Mississippi 

 (10) 26.7-29.2 6-6.8 3.7-4 14.7-17.7 16-17.8 3.8-4.3 



Natchez, Miss- 

 issippi (9) ... 25.7-28.4 6-6.7 3.5-4 14.2-16.1 15.5-16.8 4-4.1 



Lafayette, Lou- 

 isiana (5) ... . 26.3-28.3 6.2-6.9 3.8-3.7 14.6-15.8 16.3-17.1 3.9-4.1 



9 



Memphis, Tenn- 

 essee (4) 34.8-36 7.4-8 4.8-5 15.9-17.4 18.7-20.6 4.2-4.8 



Greenville, Miss- 

 issippi 36 8.3 5 19 20 4.8 



Strickton, Miss- 

 issippi, allo- 

 type 36 7.9 4.9 16.2 18.9 4.6 



Strickton, Miss- 

 ississippi, 

 paratypes (8) 34.3-36 7.1-7.8 4.7-4.9 15.9-16.9 18.7-20.6 4.7-4.8 



Hattiesburg, 

 Mississippi (11) 32.5-37.2 7.2-8.2 4.7-5 14-19.7 18-20.3 4.4-4.8 



Natchez, Miss- 



ississippi (8) . 32-36.2 6.8-8.3 4.6-4.8 14.7-17.4 18.3-20.2 4-4.8 



Lafayette, Lou- 

 isiana (10). . . 30.8-34.5 7-8 4 6-5 15 8-18 18.5-21 4.1-4.9 



