70 



PROCEEDINGS OF THE ACADEMY OF 



[Feb., 



Size medium; form quite elongate. Head broad caudad, regularly 

 narrowed cephalad ; occiput and vertex distinctly ascending above the 

 level of the pronotum, the interspace between the eyes no narrower 



Fig. 17. — CordiUacris pima n. sp. Lateral view of U^pe. (X 3.) 



than the fastigium, the latter obtuse-angulate with the margins sharp 

 and bordered immediately caudad by a very narrow depressed space ; 

 angle of the fastigium viewed laterad very slightly acute-angulate, 

 the immediate angle rounded, face very considerably retreating; 

 frontal costa very narrow dorsad, regularly expanding ventrad, the 

 portion dorsad of the ocellus decidedly sulcate, the portion ventrad of 

 the ocellus slightly sulcate, the margins somewhat cariniform; eyes 

 slightly longer than the infraocular sulcus; antennse very considerably 

 longer than the head and pronotum, the proximal portion depressed 

 and subensiform, the extreme apex also being de- 

 pressed. Pronotum short, the cephalic margin of 

 the disk sinuate with a slight median emargina- 

 tion, caudal margin rotund ato-truncate; median 

 carina slightly elevated on the metazona; lateral 

 carinte slightly constricted caudad on the prozona, 

 strongly flaring on the metazona; prozona slightly 

 longer than the metazona; lateral lobes slightly 

 longer than deep. Tegmina distinctly surpassing 

 the apex of the abdomen, narrow, the apex 

 rounded. Cephalic and median limbs slender; 

 caudal femora quite slender, the greatest width 

 contained about five and a half times in the 

 length, caudal tibiae very slightly shorter than the 

 femora, armed on the lateral margin with ten spines. 

 General colors chalk white and mummy brown, the maculations of 



Fig. 18— CordiUa- 

 cris pima n. sp. 

 Dorsal view of 

 head and prono- 

 tum. (X 3.) 



