MB. W. F. KIEBT ON FOKFICULID^. 515 



notum with a black stripe on each side within the raised margins, 

 tapering and ceasing before the hiiid margin. Hinder raised 

 part of the pronotum, and tegmina coriaceous. Tegmina black, 

 the suture with a reddish band, tapering, but extending quite to 

 the extremity. Hinder half of the abdomen (the terminal seg- 

 ment excepted) reddish above and below in the middle, shading 

 into blackish towards the ends of the segments, punctured, and 

 in segments 3 and 6 above, and in 4 and 5 below, longitudinally 

 ridged or milled; terminal segment and forceps luteous, the 

 former with a depression on the median line above, and with 

 slightly reddish tubercles above the base of the forceps. Hinder 

 half of the forceps shading into dark red. 



Hah. South America (precise locality unrecorded). 



DEMOGOEaON ADELPHUS, sp. n. 



Long. Corp. 25 millim.; segm. ult. cum forcip. 10 millim. 



Male. Luteous tawny ; antennae (which are about 30-jointed), 

 eyes, and under surface paler, Pronotum finely coriaceous ; 

 tegmina more closely so, and covered with small tubercles close 

 together. Pronotum black above, the neighbourhood of the 

 median line irregularly reddish, the lateral margins edged with a 

 narrow pale line. Tegmina black, the lateral margins edged with 

 a very narrow pale line ; a tapering reddish band on the suture, 

 hardly reaching the extremity. Abdomen with most of the 

 segments (except the terminal one) blackish in the middle 

 above and below; segments 4 and 5 below, and 5 and 6 above 

 milled, segment 7 very narrow above, almost obsolete ; terminal 

 segment and forceps as in D. hicolor. 



Hah. Brazil (Catagallo). 



DEMoaoEQ-ON PATA&ONicus, sp. n. (Plate XII. fig. 2.) 

 Long. corp. 23 millim. ; segm. ult. cum forcip. 8 millim. 

 Female. Tawny ; head reddish above, eyes black ; antennae 23- 

 jointed; pronotum reddish, with a wide black band on each side 

 very narrowly edged with pale outside, and curving inwards 

 at the extremity; tegmina similarly coloured, the red band on 

 the suture regularly narrowing behind ; abdomen with most 

 of the segments blackish in the middle above and reddish below, 

 finely punctured above, and more coarsely beneath, but not 

 milled ; forceps reddish, paler at the base above, and blackish 



36* 



