160 



PROCEEDINGS OF THE ACADEMY OP^ 



[April, 



obliquely emarginate laterad, ventral margin very slightly concave; eyes 



produced laterad, rectangulate, 

 sub-mammilliform. Pronotum 

 '■\ / elongate, the collar contained 



slightly more than three times 

 in the length of the shaft, 

 supra-coxal dilations moderate, 

 the collar hardly constricted 

 cephalad of the expansion; 

 margins serrato-dentate, the 

 serrations becoming fewer and 

 smaller caudad, shaft carinate 

 throughout its length, the 

 carina weak mesad. Abdomen 

 considerably depressed, broad, 

 Tegmen broad, subequal, the 

 width being contained two and 

 a half times in the length; 

 costal margin nearly straight, 

 slightly rounded proximad, 

 obliquely rounded distad, su- 

 tural margin nearly straight, 

 apex rather broadly rounded; 

 costal field very broad, in its 

 widest section two-fifths the 

 width of the entire tegmen, 

 costal veins about twelve in 

 number, strongly oblique and 

 curved toward the apex in the 

 distal section ; humeral vein fur- 

 cate near the apex; median vein with two rami ; discoidal vein with two 

 rami the caudal of which is furcate; stigma distinct, irregular. Wing 

 with the greatest width contained about twice in 

 the length, the portion extending beyond the tip 

 of the tegmen when in repose being trigonal and 

 broader than long. Cephalic coxa nearly three- 

 fifths as long as the pronotum, all the margins 

 serrato-spinose, the ventral margin with spines of 

 two different sizes; cephalic femur nearly three- 

 fourths the length of the pronotum, slender, armed 

 on the external margin with four spines and seven 

 large and nine small ones on the internal margin, 



Fig. 3. — Oxyopsis lobeter n. sp. 

 view of type. (X l|.) 



Dorsal 



Fig. 4. — Oxyop- 

 sis lobeter n. 

 sp. Cephalic 

 view of head. 

 (X 2.) 



