418 PROCEEDINGS OF THE ACADEMY OP [Oct., 



the length of the subgenital plate, moderately tapering, rather blunt. 



Cephalic coxae distinctly (cT) or very slightly (?) shorter than the 



shaft of the pronotum, the cephalic margin of the same armed with 



six or more spines of rather uniform size, with a few much smaller 



spines scattered between them; cephalic femora nearly (c?) or quite 



( 9 ) equal to the shaft of the pronotum in length, rather heavy in 



the female, armed on the external margin with five 



\nrrfQ~\ spines one of which is small and genicular in position, 



internal margin with fourteen to fifteen spines of 



several sizes, alternating more or less regularly in 



Fig. 2.—Stagmo- length, discoidal spines four in number; cephalic 



mantis califor- tibise about half the length of the femora, armed on 



nicon.sp. Ce- 



phalic view of the external margin with eight spines which leave a 



head of fe- considerable unarmed proximal diastema, internal 



male type. . x . ' 



(X 4.) margin armed with twelve spines; cephalic tarsi 



reaching to the base of the femora. Median femora 

 somewhat shorter than the shaft of the pronotum; tibiae subequal. 

 Caudal femora nearly equal to the pronotum in length; tibise subequal. 

 General color of the male cream-buff, with the pronotum very faintly 

 brownish ; costal field of the tegmina chalky- white ; eyes mars brown ; 

 facial scutellum drab; ocelli clear orange-red; proximal dorsal ab- 

 dominal segments broadly edged with seal-brown, General color 

 of the female oil green, becoming reddish-brown on the shaft of the 

 pronotum; stigma of the tegmina buff, brownish caudad; proximal 

 abdominal segments as in the male ; eyes walnut brown ; facial scutel- 

 lum, labrum and mouth parts pale tawny; cephalic femora edged 

 on the spined margins with yellowish. 



Measurements. 



c? 9 



Length of body, 45.5 mm. 46.5 mm. 



Length of pronotum, 13.5 " 16.5 



Greatest width of supra-coxal expansion, . .3 4.5 



Length of tegmen, 32 17 



Length of caudal femur, . . . . . . 9.5 " 12.5 



u 



a 

 it 



An additional paratypic male has been examined, as well as a male 

 from Kelso (VIII, 12; attracted to light), a female from North Range, 

 Providence Mountains (VIII, 12), and one from Pasadena (F. Grinnell, 

 Jr. ; Coll. A. N. S. Phila.). There is a slight amount of variation in size 

 and considerable in color. The extra Cottonwood male is similar 

 to the type, but the Kelso individual of that sex is red-brown with the 

 limbs annulate with buffy and the costal half of the tegmina sprinkled 



