280 



PROCEEDINGS OF THE ACADEMY OF 



[May, 



Fig. 1. — Phryganistria grandis n. sp. 

 Dorsal view of male type. (One- 

 half natural size.) 



united ; arolia present. Median 



seventh segment about half the 

 length of the sixth, compressed 

 and deep, eighth segment com- 

 pressed, as deep as and slightly 

 shorter than the seventh seg- 

 ment, ninth segment with its 

 extreme length about equal 

 to the seventh and eighth 

 united, strongly compressed, tec- 

 tate and carinate dorsad, bear- 

 ing two lateral digitiform pro- 

 cesses which enclose a deep 

 V-shaped emargination, the pro- 

 cesses being rounded distad and 

 bearing a number of short re- 

 curved spines on their inner 

 faces ; cerci slender, simple, 

 strongly curved distad; sub- 

 genital opercule extending to 

 the apex of the eighth dorsal 

 segment, not produced, the dis- 

 tal margin straight, the dorsal 

 margin rounded-angulate, the 

 ventro-caudal angle blunt-rec- 

 tangulate. Cephalic femora 

 slightly longer than the head, 

 pro- and mesonotum, somewhat 

 compressed, multicarinate, basal 

 flexure short but very distinct, 

 dorso-cephalic margin with a 

 number (14 to 18) of rather 

 irregularly distributed spines ; 

 cephalic tibiae considerably ex- 

 ceeding the femora in length, 

 as long as the six proximal ab- 

 dominal segments in length, 

 very slender and with the mar- 

 gins unarmed ; cephalic metatarsi 

 distinctly longer than the re- 

 maining segments of the tarsi 

 femora in length equal to the 



