60 PROCEEDINGS OP THE AMERICAN ACADEMY. 



23. CEUTHOFHILTJS c^cus, sp. nov. 



Body glabrous, blackish fuscous above, pallid and more or less 

 sordid luteous 011 the lower portion of the sides, with a mediodorsal 

 rufo-luteous line and dotted above faintly and rather sparsely with 

 rufo-luteous, some of the dots broadening the mediodorsal line, others 

 next the luteous sides becoming larger and sometimes more distinctly 

 luteous, and on the abdomen often becoming oblique dashes ; the very 

 edge of the inferior margins of the thoracic lobes castaneous ; antennas 

 fusco-luteous ; legs luteous, more or less infuscated, the hind femora 

 luteo-castaneous, with heavy and distinct blackish fuscous scalariform 

 markings, much heavier on distal than proximal half. The antennae 

 are slender and about three times the length of the body, the legs 

 moderately short. Fore femora slightly broader than the middle 

 femora, very much less than half as long as the hind femora and at 

 most (c?) only a fourth longer than the pronotum, the inner carina 

 with 2-3 spines, at least the preapical long. Middle femora with 

 2-4 long spines, the preapical very long, on the front carina, 

 the hind cariua with 0-2 short spines besides a very long genicular 

 spine. Hind femora as long as the body, two and a half times as long 

 as the fore femora, very stout, scarcely more than three times as long 

 as broad, the stout portion rapidly tapering so that the apical fourth 

 is subequal, the inner surface of the male with a cluster of raised points 

 beyond the middle, above, the outer carina elevated, having on the 

 middle third a row of increasingly larger spinules, the largest still 

 very much shorter than the tibial spurs, followed distally by half a 

 dozen minute and equal spinules (J 1 ) or unarmed (9), the inner 

 carina with a few small subequal spinules in the distal half, smaller 

 and sparser in the 9 than in the <J, the intervening sulcus broad. 

 Hind tibias straight in both sexes, a little longer than the femora, 

 armed beneath with a single preapical spine besides the apical pair ; 

 spurs subopposite, the basal not much beyond the end of the proximal 

 fourth of the tibia, almost twice as long as the tibial depth, set at an 

 angle of 35-45 with the tibia, divaricating about 130 at least in the 

 9 , their tips considerably incurved ; inner middle calcaria considerably 

 longer than the outer, nearly twice as long as the others or as the 

 spurs, and about as long as the first tarsal joint. Hind tarsi nearly 

 two fifths as long as the tibiae, the first joint fully as long a? the rest 

 together, the second three times as long as the third and with it fully as 

 long as the fourth. Cerci moderately slender, bluntly pointed, much 

 shorter than the femoral breadth. Ovipositor scarcely longer than the 



