750 Transactions South African PJiilo^ophical Society, [vol. xii. 



suture, and occasionally along the outer margins ; bind femora very 

 robust, concave inwardly, the trochanter is fused with the thigh 

 and projects as a sharp, long, slightly hooked spine at about the 

 median part, the articulation of the knee is not dentate but is 

 sharply angular in the outer part, hind tibiae compressed inwardly, 

 moderately dilated, not grooved, simple and ending at apex in two 

 moderately long, nearly equal mucros, the outer of which bears a 

 distinct apical spur ; hind claw single, simple. 



Female unknown. 



Length 5-6|^ mm. ; width 3-3^ mm. 



Hab. Cape Colony (Carnarvon). 



Heterochelus comosus, n. spec. 



Male : Black, with the elytra testaceous red, hind legs reddish brown ; 

 scutellum, pygidial part and abdomen, as well as the apical margin 

 of the elytra covered with yellow scales somewhat lanuginose and 

 resembling hairs on the propygidium and abdomen ; head granulose, 

 haixy, clypeus with four equal very distinct teeth ; prothorax with a 

 villose, sub-flavescent pubescence, and having a shallow groove in the 

 middle in the posterior part of the disk; elytra very distinctly 

 attenuate laterally towards the apex, strongly sinuate below the 

 shoulders, and leaving a broad part of the upper side of the 

 abdominal segments uncovered ; hind legs robust, villose, hind femora 

 simple and with the trochanters not spinose, but the outer part of 

 the articulation of the knee is distinctly dentate, the hind tibiae 

 are dilated in the middle, have an inner, deep excavation with 

 a ti'iangular tooth above it on the upper margin and end in a 

 curved, robust and sharp mucro bearing a very distinct apical spur, 

 the upper part of the apex is also mucronate but the mucro is 

 shorter ; "hind claw single, simple. 



Female unknown. 



Length 8 mm. ; width 4 mm. 



Hab. Cape Colony (exact locality unknown). 



Heterochelus senilis, n. spec. 

 Male : Black, with the elytra light testaceous but infuscate 

 laterally, scutellum, apical margin of the elytra, pygidial part and 

 abdomen clothed with yellowish scales, under side densely pubescent, 

 clypeus quadri-dentate, but with the two median teeth not as much 

 developed as the outer and set very close to each other ; prothorax 

 clothed as in the preceding species with a long greyish pubescence, 

 and having a few appressed hairs of the same colour along the base ; 



