4 Dr. G. A. K. Marshall on African 



mentum with a transverse row of 



live or six sette Pseudoblosyrus, genjiov. 



23 (22). Corbels of hind tibite open ; scape very 



broadly dilated ; forehead -without 

 auv longitudinal fui'row ; mentum 

 with only two setae FlatyeopeSf Schh. 



24 ( 1). Epistome indistinct and quite unde- 



fined ; cutting-edge of mandibles 

 straight or rounded and without 

 anv median tooth ; basal part of 

 metepisternum angularly produced 

 internally ; hind coxa^ reaching the 

 elytra. 

 25(26). Corbels of hind tibiae open; metepi- 

 sternal suture distinct in its basal 

 half only ; mesepisterna meeting the 

 elytra at the extreme base ; rostrum 

 continuous with the forehead .... Synechops, gen. nov. 



26 (25). Corbels of hind tibiae broadly en- 



closed ; metepisternal suture distinct 

 throughout; mesepisterna broadly 

 separated from the elytra by the 

 mesepimera. 



27 (36). Eostrum separated from the forehead 



by a transverse furrow. 



28 (35). Tarsi with two claws ; mentum setose, 



29 (32). Furrow separating .the rostrum from 



the head straight or with a forward 

 curve. 



30 (31). Ventral iutercoxal process truncate or 



gently rounded; front rajirgin of 

 prostemum without any promi- 

 nences ; furrow separating the ros- 

 trum from the head straight or 

 slightly sinuous Ectatopsides, Borie. 



31 (30). Ventral process strongly angulated; 



margin of prosternum with a promi- 

 nence on each side above the coxfe; 

 furrow separating the rostrum from 

 the head deeply curved forwards . . CEnassus, Pasc. 



32 (29). Furrow separating the rostrum from 



the head angulate, with the apex of 

 the angle directed backwards. 



33 (34). Punctures on elytra in regular rows ; 



eyes not produced backwards .... Cyclirotonus, Pasc. 



34 (33). Punctures on elytra partly irregular ; 



eyes produced backwards Euci'ines, Jekel. 



35 (28). Tarsi with only one claw ; mentum 



devoid of setce Gyponychtis, Pasc. 



36 (27). Rostrum not separated from the fore- 



head by a transverse furrow or stria. Embolodes, Mshl. 



Genus Mimaulus, Schh. 



To the characters cited by Schoiiherr (Mant. Sec. Cure, 

 p. 18) aud Lacordaire (Geu. Cure. vi. p. 33) the following 



