1875.] 473 [Scudder. 



with blackish ; hind tibias livid, mottled minutely and profusely with 

 brown; the apical half of the spines black. Extreme tip of abdomen 

 in the male acuminate, but tubercled; cerci slender, tapering, more 

 rapidly in the basal than the distal half, to a dull point. 



Length of body, cf, 20.5 mm., ?, 24.5 mm. ; of antennas, <T, 10.5 

 mm.; of tegmina, <S , 8 mm., ?, 8 mm.; of hind femora, d, 13 mm., 

 ?, 15 mm. 2 cf, 1 ?, Dallas, Texas, J. Boll. In woods on plants 

 and bushes, September - October, Bosque Co., Texas, G. W. Belfrage. 



23. Caloptenus ponderosus. Brownish testaceous. Front 

 of head and sides of pronotum a little paler, tinged with yellow, the 

 head obscurely flecked with brown ; antennas yellow, infuscated 

 toward the tip. Slight black markings follow the anterior portion of 

 the lateral carinas of the pronotum and the transverse incisures of its 

 lateral lobes; tegmina as long as the body, light brownish fuscous, 

 rather obscurely mottled with faint dusky quadrate spots in the 

 median area, mostly confined to the basal half of the field; legs 

 stout, a little darker than the under surface of the body, the middle 

 femora infuscated, the hind femora obscurely, transversely bifasciate 

 with black, broken by the paler incisures; hind tibiae and tarsi yel- 

 low, the former with a slender black basal annulus, the spines black. 

 Vertex between the eyes much broader than (cf) or twice as broad (9) 

 as the basal antennal joint, the foveola broad, broadening in front, 

 scarcely depressed, the lateral edges sharp; frontal ridge broad, 

 broadening below, broadly and shallowly sulcate excepting above. 

 Pronotum broadening a little on the rugulose posterior lobe, the 

 median carina slight, broken by every transverse furrow; lateral 

 carinas rather distinct, but slight. Terminal segment of abdomen of 

 male produced but rounded; cerci very stout, subspatulate, com- 

 pressed, largest at tip, the basal two-fifths being equal and straight, 

 the remainder expanding into an obliquely transverse, obovate, 

 rounded lobe, directed upward and more produced above than below, 

 making the tip fully half as broad again as the base. 



Length of body, cf, 30 mm., ?, 33 mm.; of antennas cf, 12 mm., ?, 

 12.5 mm.; of tegmina, cf, 21.5 mm., ?, 23 mm.; of hind femora, cf, 

 17.5 mm., ?, 19 mm. 1 cf, 1 ?, taken October 10, at Dallas, Texas, 

 by J. Boll. 



24. Caloptenus robustus. Brownish fuscous with more or 

 less of a cinereous tint. Front of head livid, very heavily mottled 

 with dark brown; mouth parts pale, the tip of last palpal joint black; 

 antennas pale at base, beyond dull reddish more or less tinged with 



