340 Dr. G. A. K. Marshall on 



more than twice as long as the pro- 

 thorax; second joint of funicle shorter, 

 the third transverse ; colour piceous 

 black. (African species.) 



11 (12). Forehead as broad as the base of the 



rostrum; prothorax broadest at the 

 middle ; elytra with distinct striae 

 containing closely-set punctures; tibiae 

 armed internally with stout teeth and 

 with a long external apical spine .... anthracimis, Brancs. 



12 (11). Forehead much narrower than the base 



of the rostrum ; prothorax broadest 

 well before the middle ; elytra hardly 

 striate on the disk, with rows of large 

 rounded foveas separated by spaces as 

 long as the foveas themselves; tibiae 

 merely serrate internally and with a 

 very short external apical spine .... canceUatits, sp. n. 



13 (6). Prothorax distinctly broader than long ; 



length 55 mm picea, Fst. 



14 (1). Second joint of front tarsi nearly twice 



as long as broad ; prothorax very 

 finely punctate at the sides, more 

 strongly so on the disk ; colour reddish 

 brown tenuipes, sp. n. 



1. Aorus spadiceus, Gryl. 



Aorus spadiceus, Gyllenhal, Schonh. Gen. Cure. iii. 1830, p. 254. 

 Leptobaris gerstaeckeri, Faust, Stett. ent. Zeit. 1894, p. 148 (syu. nov.). 



Senegal. Sierra Leone. N.Nigeria: Baro [Dr. J. J. 



Simpson). Abyssinia. 



2. Aorus castaneus, Gei'st. 



Leptobaris eastanea, Gerstaecker, Monatsb. Berl. Ak. 1855, p. 639 ; id., 



Peters's Beise Mozamb. ii. 1862, p. 315, pi. xviii. tig. 14; Faust, 



Stett. ent. Zeit. 1894, pp. 149 & 360. 

 Stenodema ferruginea, Faust, Ent. Nachr. xi. 1885, p. 17. 

 Leptobaris bnomea, Brancsik, Soc. Hist. Nat. Trencsen, xix.-xx. 1897 



(1898), p. 124, pi. iv. fig. 16 (syn. nov.). 



N. Rhodesia: Boroina (Rev. II. P. Menyharth). Nyasa- 

 LAND (Thelwall) ; S.W. shore of L. Nyasa, ii.-iii. 1910, and 

 liuo Valley, iii. 1910 (S. A. JSeave) ; Fort Herald, on grass, 

 v.-vi. 1913 {Dr. J. E. S. Old). Portuguese E. Afkica: 

 Mozambique (Peters, type). 



3. Aorus hearsei/i) Pasc. 



Exarcus hearseyi, Pascoe, Ann. & Mag. Nat. lli.-t. (5)xix. L880, p. 372. 

 Exarcus jxtscoei, Faust, Deut. ent. Zeits. 1898, p. 286 (syu. nov.). 



