1909.] NATURAL SCIENCES OF PHILADELPHIA. 117 



angles rounded rectangnlate, caudal margin very slightly arcuate; 



caudal portion of the disk with a pair of shallowly impressed 



areas. Tegmina about equal to the pronotum in length, elongate 



trigonal, reaching to the margin of the first abdominal segment, 



the greatest width contained one and one-half times in the 



length; costal margin straight, arcuate at the base and at the apex, 



sutural margin arcuate, the apex very 



narrowly rounded; anal vein distinct, * f 



arcuate, reaching the sutural margin l >gsw I 



distad of the middle, costal field separated \V^ /■ . . ~~\'\A 



by a moderately impressed line; space f^ At^Mjl ^ \ 



between the tegmina about equal to the / A ''"A--', £L \ 



width of one of them. Wings falling / mi^^^S^\ \ 



slightly short of the tips of the tegmina. y^A^^^^^V^ 



Mesonotmn and metanotum with their '' \i '~^^^^^ \\ % 



margins truncate. Abdomen with its J Tr \ 



greatest width distinctly exceeding that * » 



of the pronotum; proximal dorsal segment Fig. l.—Temnopteryx desertce 



■xi .1 , .,, ,, n. sp. Dorsal view of type. 



with the margin arcuate, second with the (x 3.) 



margin slightly arcuate, third, fourth and 



fifth sub-truncate, sixth and seventh arcuate-emarginate, eighth arcuate- 

 emarginate laterad and produced obtuse-angulate mesad; supra-anal 

 plate trigonal, apex rectangulate, medio-longitudinal carina blunt; 

 subgenital plate moderately arcuate in transverse section, margin 

 arcuate, truncate mesad ; cerci distinctly but not greatly exceeding the 

 subgenital plate, heavy, depressed, fusiform, apex moderately sharp. 

 Limbs so badly damaged that the spine formula cannot be satisfac- 

 torily determined. 



General color of the head and pronotum ochraceous, becoming paler 

 toward the lateral margin of the pronotum ; color of the abdomen and 

 thoracic segments except the cephalic half of the mesonotmn which is 

 ochraceous, chestnut, venter of the abdomen chestnut mesad becom- 

 ing ochraceous laterad, subgenital plate tawny ochraceous, venter of 

 the thorax and limbs pale buff. Eyes black; tegmina chestnut with 

 the costal portion pale buff; cerci burnt sienna edged with blackish. 



Measurements. 



Length of body, 9.5 mm. 



Length of pronotum, 3 " 



Greatest width of pronotum. 4.1 " 



Length of tegmen, 3 " 



Greatest width of abdomen, 5.2 " 



