1918.] NATURAL SCIENCES OF PHILADELPHIA. 153 



supra-anal plate trigonal With the lateral margins sinuate-emarginate 

 and the apex well rounded and entire, instead of U-emarginate 

 as in clavator. 



Type: cf ; Igarape-assii, State of Para, Brazil. (H. S. Parish.) 

 lAcad. Nat. Sci. Phila., Type no. 5319.] 



Size small: form elongate elliptical, strongly depressed: surface 

 glabrous. Head distinctly projecting cephalad of the pronotum: 

 interspace between the eyes very narrow, hardly more than half 

 that between the ocellar spots, which latter distance is subequal 

 to the greatest length of one of the spots, the spots are large, sub- 

 reniform in outline: eyes with their greatest cephalic depth equal 

 to about one and one-half times the interocellar width: antennae 

 slightly longer than the body, moderately hirsute, second and third 

 joints together about two-thirds as long as the proximal joint: 

 third palpal joint of moderate length, slightly arcuate; fourth palpal 

 joint two-thirds as long as third, slightly and evenly enlarging 

 distad; fifth palpal joint slightly longer than the third, inflated, 

 sublanceolate, apex subacute. Pronotum roundly trapezoidal, but 

 moderately transverse, the greatest length contained one and one- 

 half times in the greatest width; cephalic margin weakly arcuate, 

 broadly rounding into the diverging, distinctly arcuate, lateral 

 margins, which pass through the obtusely rounded caudo-lateral 

 angles into the arcuato-truncate caudal margin, all margins finely 

 cingulate and supphed with sparse, well-spaced, long hairs, the 

 •cephalic margin, however, with a series of short hairs : disk of prono- 

 tum weakly arcuate in section, appreciably declivent laterad, the 

 immediate margin slightly reflexed; oblique sulci indicated but 

 slightly irregular in impression, caudal section of disk weakly 

 depressed. Tegmina elongate lanceolate, surpassing the apex of 

 the abdomen by nearly the length of the pronotum, the width at 

 the distal third greater than that at the proximal third: costal 

 margin straight except for a short proximal arcuation and a brief 

 distal rounding to the apex, which is at the tip of the median vein 

 and very narrowly rounded; sutural margin in general straight, 

 except at distal third, where it regularly and broadly rounds to the 

 immediate apex: marginal field narrow, its distal extremity not 

 ■quite reaching to the proximal third of the tegmen; scapular field 

 moderately wide, subequal in width; anal field elongate pyriform: 

 costal veins very numerous, regular in position; discoidal rami 

 longitudinal, nine in number (aside from the discoidal vein itself), 

 intercalated nerv-ures regular and all connected by closely placed 



