6o 



a uniform green ; nerves prominent ; wings transparent, somewhat clouded. 

 Abdomen of a yellowish green. Anterior and middle legs green ; the femora 

 yellowish beneath ; posterior femora green, yellow beneath ; posterior 

 tibia3 reddish at base and apex, yellowish in the middle, the spines corre- 

 sponding in color with the parts; first two joints of the posterior tarsi 

 reddish, last green. 



Dimensions. — Length, 2.25 inches. 



North America (Serville); Carolina (De Haan). 



©. inar^iiiicollis, Serv , Hist. Orthop., 591. 



Syn., Acridiwn marginicolle (?), De Haau, Bijdr. K«nu. Orthop., 143. 



Female. — -Cone of th"e vertex o1)tuse ; eyes oblong, straight. Disk of 

 the pronotum punctured ; carinse indistinct. Elytra straight, lanceolate; 

 apex pointed, long as the abdomen. Wings as long as the elytra. Antennse 

 somewhat ensiform. 



Color. — Head and Ijody of a grayish-green. A yellow stripe extends 

 from the lower border of the eye across the sides of the pronotum to 

 its posterior extremity. Elytra semi-transparent, grayish ; wings pellucid. 

 Legs the color of the body. 



Male. — Much smaller than the female. 



Dimensions. — Length, 2 L25 inches; ,j 1 inch. 



North America (Serville); Tennessee (De Haan). 



PYR«OI?IOKFIIA, Fisch. 



Head rather short, sub-conic ; occiput short ; vertex slightly produced in 

 front of the eyes, carinated each side. Eyes oljlong, usually equally removed 

 from the tip of the vertex and the pronotum, oblitpie. The fixce seen from 

 the side curves slightly inward below the vertex ; frontal costa narrow to the 

 ocellus, wider and sulcate below ; lateral caringe sinuate or curved. Antennse 

 about twice the length of the head, 18-20 joints, from the third to the ninth sub- 

 triquetrous. Pronctum tricarinate or sub-tricarinate ; sides straight or slightly 

 converging anteriorly ; the transverse incisions more or less distinct ; truncate 

 ill front ; apex rounded or olituse-anglcd ; longer than the dorsum of the 

 head. Prostcrnum tiansverse, unarmed ; pectus as Ijiond as the head. Elytra 

 and wings present. The four anterior tibite shorter than the femora, sub- 



