40S PROCEEDINGS OF THE ACADEMY OF [June, 



Measurements. 



Length of body, 22 mm. 39.5 mm. 



Length of pronotum, 10 " 15.5 " 



Greatest width of pronotum, 4.2 " 7 " 



Length of tegmen, 13 " 22.5 " 



Width of tegmen, 3.5 " 6.5 " 



Length of caudal femur, 14.2 " 21 " 



Two parat3'pic males have been examined in addition to the types. 



I take pleasure in dedicating this species to Prof. Lawrence Bruner of 

 the University of Nebraska, who has made, and is making, valuable con- 

 tributions to our knowledge of American Acrididse. 



CIBOTOPTERYX- n. gen. 



Type. — C. variegata n. sp. 



Allied to Ekeochlora Stal, but differing in the elevated and lobate 

 median crest of the pronotum, the strongly tuberculo-dentate lateral 

 caringe of the same, and the short, peculiarly shaped tegmina. 



Occiput rounded, rostrum projecting and separated from the inter- 

 ocular region by a distinct transverse depression; frontal costa not 

 sinuate when viewed laterad; antennae very slightly depressed. Pro- 

 notum with a distinct median crest, deeply cut b}' the transverse sulci 



Fig. 8. — Cibotopteri/x variegata n. gen. and sp. Lateral view of type. 



and distinctly trilobate on the prozona; lateral carinte tuberculate, 

 parallel and descending ventrad on the prozonal lobes. Prosternal 

 spine short, erect and acute. Tegmina short, not reaching the apex 

 of the abdomen, rectangulate distad. Cephalic and median femora 

 moderately inflated ; caudal femora rather slender and weak. 

 Cibotopteryx variegata n. sp. 



Type; d" ; Guatel, Costa Rica. August, 1902. (C. F. Under- 

 wood.) [A. N. S. Phila.] 



" KijSuroc, ctiest; 7r-epif , wing. 



