MORGAN HEBARD 



389 



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



Agrees with type except in the following features. Size larger, form more 

 robust. Sulcation of vertex and frontal costa weaker and broader. Eye 

 twice as long as infra ocular sulcus, Pronotum with medio-longitudinal 

 carina weaker on prozona. Tegmina similar (but showing more individual 

 variation than in male sex, in the series very slightly overlapping to separated 

 by a minute interval, individuals with the most elongate tegmina having 

 these distinctly broad lanceolate in form). Prosternal spine blunter. Ovi- 

 positor valves short, with distal curvature decided. 



Measurements (in millimeters) of extremes 



& 



Length 



of 

 body 



Length 



of 



pronotum. 



Caudal 



width of 



pronotal 



disk 



Length 



of 

 tegmen 



Width 



of 

 tegmen 



Length of 

 caudal 

 femur 



Vivian Creek, Cali- 















fornia, type 



14 



3.2 



2 



3 



2 



7.9 



Vivian Creek, Cali- 















fornia, paratypes 















(6) 



13.5-15 



3.1-3.7 



2-2.3 



2.9-3.7 



1.7-2.1 



7.9-8.1 



High Creek, Cali- . 















fornia, (3) 



15-16 



3.7-3.6 



2.2-2.3 



3.7-4 



2-2.2 



8.4-8.8 



Santa Ana Canyon, 















' California 



14 



3.5 



2.1 



3.7 



2 



8.3 



San Jacinto Peak, 















California (5) . . . 



13.2-14.5 



3.2-3.5 



2-2.3 



3-3.7 



1.7-2 



7.7-8.4 



Vivian Creek, Cali- 

 fornia, allotype. . 17 3.9 2.7 3.9 2.1 9.8 



Vivian Creek, Cali- 

 fornia, paratypes 

 (34) 16.5-19.7 3.8-4.1 2.4-2.8 3.7-5 2.2-2.8 9.3-10 



High Creek, Cali- 

 fornia (13) 18.5-21.5 4.2-4.8 2.8-3.2 3.9-4.9 2.2-3 10-11.6 



South Fork of Santa 

 Ana River, Cali- 

 fornia 16.5 4.7 2.9 4.9 2.9 11 



San Jacinto Peak, 



California (4) .. . 19.5-20 4.3-4.6 3-3.2 4.8-5.4 2.7-2.9 10.6-9.8 



It is of interest to note that, on the slopes of San Gorgonio Peak, the indi- 

 viduals taken at 7200 feet (Vivian Creek) average smaller than those taken 

 at 9000 feet (High Creek). In the great majority of species of Orthoptera 

 studied we have found size decreasing with an increase in altitude, if eleva- 

 tion showed any influence on the size of the individual. 



Coloration. Head buckthorn brown, occiput very dark mummy brown, 

 broad postocular bars shining blackish brown. Pronotum very dark mummy 



TRAXS. AM. ENT. SOC, XLVI. 



