292 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXXII. 



specimens, strong!}" conipressed and carinate above; cerci of both sexes 

 simple, conica], apically pointed, about as long as the basal width; last 

 abdominal segment of the male apically broadly rounded; siibgenital 

 plate apically sul>truncate, the styles ver}" small and generally scarcely 

 noticeable; inf racercal plates large and long (fig. 8), extending half their 

 length be3'ond the last abdominal segment, deepl}" and ))roadly sulcate 

 on the inner side and ainned at the apex on the lower margin with a short, 

 hard, sharp tooth, rarely visible from above. Ovipositor, of a half- 

 grown nymph, the only one seen, about two-thirds as broad as the 

 interocular space and curved gently upward, scarce]}" longer than the 

 pronotum and apically unarmed. Elj^tra developed as Ijroad bulbous, 

 strongly convex pads, not projecting beyond the pronotum, ])ut plainly 

 visible, forming a large tympanum. Legs short and moderately stout; 

 anterior coxal spines sharp; fore and middle femora moderately long, 



^^^-^^ 



. *^>!s,- 



FlG.S. 2-3. — AgLAOTHORAX OVATUS. 2, AHULT MALE. 3, TIP OF ABDOMEN; C, CEKCUS; i. p., INFRACERCAl 



PLATE. 



nearly as long or somewhat longer than the greatest width of the pro- 

 notal disk, below unarmed or armed with a few minute spines; pos- 

 terior femora short, less than two times as long as the pronotum and 

 the basal half, or a little more, strongl}- swollen, being three or more 

 times as broad there as the apical portion, armed on both margins below 

 with a few small stout spines; all tlie femora armed above on the basal 

 portion with a few small apically directed spines or sharp tubercles. 

 Anterior tibiae armed above on ])oth sides with an apical spine, some- 

 times absent on the inner side, and on the dorsal surface usually with 

 another spine as described under the genus, below armed on both 

 margins with several spines; middle and hind tibije longer than their 

 respective femora and armed above and below on both margins, the 

 former with several on both sides and the latter with many above and 

 a ver}" few weak ones below, confined to the apical half. 



