1900.] Cataloiim of the Coleoptem of South Africa. 477 



Sub-Family GEOTEUPIN^. 



Maxillary lobes horny, not pubescent, maxilla uni- or bi-dentatc 

 i^^^■aralv; mandibles curved, laminate, projecting much beyond the 

 labrum; which is greatly developed and separated from the clypeus 

 bv a distinct suture; antenna eleven-jointed; abdomen very short, 

 segments free; all coxa^ oblique, contiguous; elytra covenng the 

 abdomen and with distinct epipleura. 



Gen. BOLBOCEEAS, Kirby, 

 Trans. Linn. Soc, xii., p. 459. 



Mentum sub-oibicuhu'. convex, ligula l.i-lohvte long j-a^l^t^'y 

 broad horny, and densely eiliate inwardly, basal join of lab al palpi 

 Zt thick'Lecond elongate, gradually thickened, obhquely runcat 

 at tip third sub-tusiform; n.axilte thick, not much curved apical 

 kb not membranaceous, triangular, and fr'-B^VV'M^d "d 

 ri«id sets, inner lobe very short, also setulose, but solde ed. and 

 :lg a s larp hamate tooth at base, inner part of the maxilte with 

 "hamate too^i at tip. close to the first; joints of --1 ^ J^'P' 

 moderately long, penultimate one shorter than the second, last one 

 uWi storm inwardly, and sinuate for half the length outward y; 

 I^tenna, ll-jointed. oints 3 to 6 inclusive, small, c osely set, club 

 te^cu^ar, fi St joint fitting against the last one and enclosmg he 

 intermediate one; labrum very well developed but not covering the 

 maldibles, whicli are circular, laminate, and have the upper outer- 

 edge strongly reflexed, clypeus separated from the labrum by a 

 transverse impression or groove, genaB tormmg a shai-p canthus 

 Sing the eyes which are large and show less on the upper par^t 

 than on the under side, head oarinate laterally above the eyes and 

 usually along the clypeus which is obliquely sinuate from the gen* 

 to «ie apica! part, where it is transverse; the head is carina te or 

 tubercula'te, an'l with the angle of the junction of the g-- wi h ijhe 

 clypeus often prominent or tuberculate, especially n the male 

 pro'thorax vei/broad and convex, declivous, and simply impressed 

 or impressed and tuberculate in the centre or o'en simple it is 

 marginate all round with the base sinuate above the hume al part 

 attenuate laterally from past the median part towai^s the apex 

 11 very ampliate in the posterior part, supra-lateral impression 

 more or less rounded, deep ; scutelUim conspicuous, ogival ; elyt.a 

 very convex, not quite as broad as the prothorax, somewhat retuse 



