1910.] NATURAL SCIENCES OF PHILADELPHIA. 4^3 



plete ulnar rami. Supra-anal plate transverse, median portion pro- 

 duced into a broad, deflected lobe which is separated from body of 

 plate by a decided transverse fold, projection with margin subarcuate; 

 cerci elongate, depressed, terete. 



General color very dull buff, approaching ochraceous; lateral 

 portions of pronotum and costal field of tegmina translucent; eyes 

 blackish. 



9. Size rather small; form elliptical, subdepressed ; surface 

 glabrous. Head not extending cephalad of pronotum; interspace 

 between eyes distinctly wider than that between antennal bases; 

 antennas moderate in length. Pronotum semi-ovate, greatest length 

 contained about one and one-half times in greatest width; lat- 

 eral and cephalic margins regularly and strongly arcuate, caudal 

 margin slightly arcuate, lateral angles well rounded; disk in trans- 

 verse section slightly arcuate; slightly declivent laterad, oblique 

 sulci hardly indicated. Tegmina lanceolate-elliptical, twice length of 

 pronotum, greatest width contained about two 

 and one-quarter times in length, covering all ^tlT n£^ 

 but supra-anal plate, ultimate and penultimate y[„ s 2 i an d 22 Isch- 



abdominal segments; costal margin regularlv noptera notha n. sp. 

 , i • ,• , ,, • ', Supra -anal plate of 



arcuate, sutural margin very slightly so, apical c?(x5)and? (X3) 



rather narrowly oblique subtruncate, apex Male; Huachuea 



, , • ... , , , 1 , , Mountains, Arizona 



costal in position, rotundato-rectangulate; anal (type): female- Pal- 



sulcus meeting sutural margin slightly distad merlee, Arizona 

 of middle of latter. Wings as long as tegmina. llpe 



Supra-anal plate trigonal, angle pbtuse and apex hardly rounded, 

 indication of transverse ridge similar to that of male present, slight 

 medio-longitudinal carina indicated; cerci unknown (broken); sub- 

 genital plate with margin arcuate. 



General color tawny, tegmina ferruginous with costal field tawny, 

 pronotum, head, venter and limbs buffy, abdomen tawny ventrad; 

 eyes black. 



Measurements. — d\ Length of body 12.5-16* 29 mm. ; length of 

 pronotum 3.2-3.8*; greatest width of pronotum 4.2-4.8*; length of 

 tegmen 13-16.5*; greatest width of tegmen 4.2-4.5*; 



9. Length of body 13.5*mm. ; length of pronotum 4.5*; greatest 

 width of pronotum 6*; length of tegmen 9.5*; greatest width of 

 tegmen 4.2.* 



Distribution. — The material in hand- shows the range of this species 



29 Asterisks indicate type measurements. 



