690 COLEOPTERA COLLECTED IN EAST AFRICA— LINELL. 



slightly emarginate. Thorax uniformly convex, twice broader than long, 

 sarrounded with a narrow black margin and with a small round black 

 spot on each side of disk; sides fimbriate with long red hairs, conver- 

 gent from base, rounded in front; posterior angles obtuse, anterior 

 angles slightly produced. Scutellum triangular, luirrowly margined 

 with black. Elytra fimbriate at sides, gradually widened from the base 

 broadly rounded at the apex, distinctly puuctato-striate; suture nar- 

 rowly black. Pygidium almost flat, obsoletely rugulose. Ventral sur- 

 face obsoletely rugose; posterior coxa? strongly punctate. Legs lined 

 with black ; posterior tarsi infuscate ; anterior tibia^ strongly bidentate • 

 claws all equally cleft. 



Type.—^o. 21, U.S.KM. One example. Tana Eiver. Length, 8 mm. 



TROCHALUS SUBROTUNDUS, new species. 



Broadly oval, subglobose, brownish black, iridescent. Head irreg- 

 ularly deeply punctate; lateral margins strongly retiexed, broadly 

 subsinuate before the eyes, strongly convergent; clypeus distinctly 

 separated from the front by an arcuate elevated line, deeply constricted 

 before the apex, and with a short, acute median carina; labrum reflexed, 

 bisinuate, subbidentate. Antenme ferruginous, ten jointed ; club three- 

 jointed, longer than the stem. Thorax evenly convex, densely and 

 strongly punctate; sides marginate, broadly rounded, strongly conver- 

 gent, with the anterior angles acute, posterior angles obtuse; base 

 broadly lobed at middle. Scutellum large, triangular, rather densely 

 punctured. Elytra more distinctly iridescent, truncate at the apex, 

 finely punctato-striate on the disk, very obsoletely toward the sides; 

 intervals coarsely but vaguely punctate, obliquely subrugose. Pygid- 

 ium convex, very shining, rufopiceous, sparsely and strongly punctate. 

 Ventral surface shining, rufopiceous, sparsely and strongly punctate. 

 Legs rufous. Anterior tibia- bidentate. 



Type.— -No. 22, U.S.N.M. Two examples, Tana River. Length, 7 mm. 



PEGYLIS RUFOMACULATUS. new species. 



Oval, reddish brown, finely and sparsely pubescent; above coarsely 

 punctate, with fine distinct punctures intermixed; pygidium and ven- 

 tral surface finely rugose. Antenna? ten-jointed ; club three-jointed, as 

 long as the stem. Clypeus rugose, entire, rounded, with the margin 

 refiexed ; frontal carina distinct, straight. Thorax very short, broadest 

 at middle; sides strongly rounded, obliquely convergent toward apex; 

 anterior angles obtuse but somewhat prominent, posterior angles nearly 

 rounded; disk canaliculate at middle with a round impression each side; 

 base broadly bisinuate; scutellum broad, semioval, finely puiictulate' 

 and with a few coarse punctures each side. Elytra reddish, variegated 

 with large black spots; sides rounded, broadly dilated at middle; 

 suture distinctly elevated; two obsolete dorsal carin;e. Anterior tibiie 

 strongly bidentate. Claws clet^ at tip, the superior part longer. 



Type.— No. 23, U.S.i^.M. One example. Tana River. Length, IG mm. 



