152 cerambycidjE. 



blue, the upper surface delicately and closely striated in dif- 

 ferent directions, as if a needle had been drawn over it ; on each 

 side there is a distinct spine> blunt at the end and abrupt in 

 front, gradually tapering behind. Scutellum grooved down the 

 middle. Elytra green, rather darker on the margins and at the 

 tip, each with two longitudinal costae. Under side dark green, 

 in some parts slightly pubescent. Legs ferruginous, tibiae of 

 hind legs compressed at the tip and tinged with black. 



Length ll£ lines. 

 Hab. S. Africa (Earl of Derby). 



4. IONTHODES CLAVIPES, n. S. B.M. 



I. caeruleo-viridis, punctata, antennis nigris, pedibus nigris, fe- 

 moribus tenuibus apice clavatis rubris. 



Head grooved behind the insertion of the antennae and closely 

 punctured in front. Antenna? black, basal joint punctured ; third 

 joint longitudinally grooved and wdth the three following joints 

 slightly ciliated on the outside. Thorax transversely grooved in 

 front, rather coarsely punctured, a smooth line down the middle, 

 sides bulging. Elytra bluish green, punctured and transversely 

 streaked, lateral margin deepish blue ; under side green, covered 

 more or less generally with a short greyish pubescence. Legs 

 black ; femora clubbed at the end, base slender, club ferruginous ; 

 inner side of tibiae of first pair of legs with short brown pubes- 

 cence. 



Length 10 lines. 

 Hab. W. Africa (Sierra Leone) (Rev. D. F. Morgan). 



99. COMPSOMERA, n. g. 



Antennae with the basal joint somewhat thickened and cut 

 abruptly at the tip ; third joint somewhat curved and longitu- 

 dinally grooved down the middle. Thorax nodulose above and 

 with two tubercles on the sides, the posterior the larger. Legs 

 with femora of hind pair extending considerably beyond the end 

 of the body ; all the femora gradually clubbed from the base. 



Genus between Ionthodes and Aromia. 



1. COMPSOMERA ELEGANTISSIMA, n. S. PI. IV. f. 7- B.M. 



C. thorace supra obscure rufo, nigro variegato, lateribus antice 

 maculis duabus sericeis, scutello pilis aureis seu argenteis 

 tecto, elytris purpurascenti-nigris, singulis macula intus cur- 

 vata, aurantiaca, pedibus rufis, femoribus (apice excepto) nigris. 



Head ferruginous, varied with black ; between the front of the 



