the Ajricaii Species o/' Hydjbius. 467 



$ . Antennae sliort, rather slender, testaceous ; liead with 

 an anteriorly-bilobed black mark on each side at the base ; 

 prothorax shining, rounded at the sides, with two coalescent 

 oblong black spots on the disc ; pygidiuni testaceous, soiiic- 

 times obsoletely sulcate at tip and with a small black sj)ut on 

 each side. 



Hab. S. Africa, Estcourt i, Natal {Miis. Brit.: J ? ), 

 Port Natal 2, Mpanzi Mvoti (Mus. Durban : ? ). 



Six cJ 1^ and five ? ? seen, the latter corresponding 

 with the description of //. inarmatus, Pic. TJie males have 

 two black angular elevations on each side of the head, and 

 a laterally-notched, prothorax, the disc of which is almost 

 covered l)y a very large, triangular, opaque, black patch. 

 The head is nigro-maculate on each side at the base in both 

 sexes. The two small spots on the pygidiura and the apical 

 depression are conspicuous in one of the females from 

 Estcourt. 



16. Hedybius curvidens, sp. n. 



(^ . Elongate, shining, clothed with pallid or whitish 

 pubescence intermixed on the elytra with erect, black, bristly 

 liairs ; antennae (PI. XIII. fig. 15 b) about as long as the 

 body, moderately stout, tapering outwards, joints 1-6 (a 

 black line on 1 above, and on 1-5 beneath, excepted) testa- 

 ceous, for the rest black, 3 and 4 short, 4 triangular, longer 

 and wider than 3, 5 elongate, twice the length of 4 and 

 broader than 5, parallel-sided, 6-10 elongate-subtriaugular ; 

 head (PI. XIII. figs. 15, 15 «) broad, flavous, the base, eyes, 

 and median cavity black, the cavity very deep, broad, opaque 

 within, and limited anteriorly by an irregular V-shaped 

 ridge, in front of which are three fovese, the flavous raised 

 walls of the excavation curving backwards on each side 

 above the eyes and terminating in a stout, sinuate, sharp 

 tooth ; prothorax transversely subquadrate, dentate at the 

 sides behind the middle, the lateral margins obliquely 

 reflexed and ciliate anteriorly, the dorsal black patch very 

 large, scutiform, dentate in the middle behind, the rest of 

 the surface testaceous ; elytra subparallel, blue, densely, 

 rugulosely punctured ; metasternum metallic ; abdomen and 

 legs (except the tarsi of the intermediate pair, and the bases 

 of the tibiae, a})iccs of the femora, and tarsi of the posterior 

 pair, which are black) testaceous ; anterior tarsal joints 1 

 and 2 thickened, 2 raised above the base of 3, black at the 

 tip. 



? . Antennae short, rather slender, joints 1-5 (a darker 



30* 



