96 PROCEEDIXGS OF THE ACADEMY OF [Jan.. 



strai^o-ht; median tubercle elongate and relatively low; venation, ex- 

 cept for the principal longitudinal veins, irregularly reticulate. Wings 

 reaching to the middle of the fifth abdominal segment, slightly less than 

 twice as long as broad ; marginal costal field with the transverse veins 

 irregularly disposed, all other cross veins (except those of the posterior 

 field) regularly disposed. Abdomen with the six basal segments dis- 

 tinctly longitudinal, the sixth about two-thirds the length of the fifth; 

 seventh segment about two-thirds the length of the sixth, and with the 

 eighth and ninth strongly compressed and distinctly tectate; eighth 

 and ninth segments subequal in length, the latter with the apical mar- 

 gin trimcate ; cerci equal to the ninth dorsal segment in length, elongate 

 fusiform; subgenital opercule slender, reaching to the middle of the 

 ninth dorsal segment, apex very strongly acuminate. Limbs slender, 

 and relatively small. Anterior femora equal to the head, pronotum 

 and mesonotum in length ; basal flexure distinct and occupying slightly 

 more than the basal third; tibise equal to the femora in length. 

 jNIedian femora two-thirds the length of the anterior femora; tibiae 

 about three-fourths the length of the femora; metatarsi about half 

 as long as the remaining tarsal joints. Posterior femora slightly 

 exceeding the apex of the second abdominal segment; tibise about 

 four-fifths the length of the femora; metatarsi about three-quarters 

 the length of the remaining tarsal joints. 



General color mars-brown, closely and almost uniformly sprinkled 

 with minute specks of vandyke-brown. Head with a distinct post- 

 ocular streak of ecru-drab, which is bordered superiorly and interiorly 

 by a line of blackish, genae ecru-drab; eyes vandyke-brown; antenni^e 

 with each joint bearing a distinct apical blackish annulus. Pronotum 

 with a few subobsolete blackish blotches. IMesonotum with the ground 

 color of the anterior tuberculous portion dull cinnamon, several of the 

 larger tubercles blackish, posterior smooth portion suffused with green- 

 ish-blue ; lateral carinse dull cinnamon bordered inferiorly by a line of 

 blackish. Metapleura and metasternum dull whitish. Tegmina with 

 an irregular longitudinal blackish line passing to the exterior of the 

 median tubercle. Wings with the costal and discoidal fields of the 

 general color; posterior field hyaline. Limbs irregularly and rather 

 obscurely annulate with mummy-brown on a ground of wood-brown. 



Measurements. 



Total length, 79 mm. 



Length of pronotum 3.5 " 



Length of mesonotum 9 " 



Length of metathorax, 11 " 



