12 Descriptive Catalogue [1897. 



together ; prothorax transverse with the sides recurved ; elytra 

 elongate, parallel, costate or partly costate, and projecting a little 

 beyond the pygidium ; legs slender, the tibiae especially ; inter- 

 mediate coxae irregular in shape and femora compressed ; tarsi 

 long ; in the male the four basal joints of every tarsi are thickly 

 papillose underneath, the first basal joint is small, the second is 

 dilated, elongato-quadrate, and longer than the following two 

 together ; posterior tibiae of male slightly sinuate. I have not seen 

 any female example as yet. 



Besides the two South African species, two more are recorded 

 from Africa (Senegal, Congo), and one from Ceylon. 



Synopsis of Species. 



Elytra with four rounded costse on each side, testaceous with two 

 discoidal longitudinal bands on each side alternans. 



Elytra with a short basal costa, black, with the suture, a short 

 basal band, a post-median sinuate patch and the posterior margin 

 light testaceous Jiastatus. 



Pleuropterus alternans, Westw., 

 Proc. Linn. Soc, ii., 1849, p. 56 ; Thesaur. Entom. Oxon., p. 74, 



pi. xvi., fig. 2. 



Head, antennas, prothorax, and legs reddish brown ; elytra tes- 

 taceous and having on each side two broad, longitudinal dorsal black 

 bands uniting above the apex ; head deeply punctured and densely 

 bristly ; antennae with short, squamiform hairs, very closely set to- 

 gether and united by a broad node, basal joint and also the long outer 

 spur of the second joint slightly pilose ; prothorax nearly twice as broad 

 as long, almost straight in front, sinuate laterally with the posterior 

 angle penicillate, depressed on the lateral part of the disk, subgibbose 

 in the middle, finely grooved longitudinally and with the posterior 

 median part excavate, with the sides of the excavation produced in 

 a triangular projection rounded at tip ; elytra with the shoulders 

 rounded, elongate, parallel, and having on each side six distinct 

 costae, the two dorsal ones of which are more raised than the 

 other two, the second dorsal costa is the only one that reaches the 

 base ; lateral and posterior margins with a few rigid setae ; pygidium 

 glabrous with a fringe of very short bristles ; femora nearly glabrous ; 

 tibiae setulose. Length 9-10 mm. ; width 4-4-J- mm. 



Hab. Natal (D' Urban, Eshowe). Is said to have been captured 

 in Mozambique and at Lake N 'Garni. 



