170 CERAMBYCID^E. 



7. Promeces prasinus, n. s. B.M. 



P. viridis, antennarum articulo basali viridi ; thorace supra punc- 

 tato, tuberculo laterali laevigata ; scutello laevi ; elytris viridi- 

 bus punctatis, corpore subtus cinereo pubescente. 



Green, basal joint of antennae green, the last seven black; 

 thorax above punctured, the punctures running into each other, 

 the lateral tubercle smooth, green, shining ; scutellum smooth ; 

 elytra green punctured, body beneath closely covered with ash- 

 coloured pubescence. Legs green. 



Length 9 lines. 

 Hab. E. Indies (Walter Elliott, Esq.) (Ent. Club). 



8. Promeces purpuratus, n. s. B.M. 



P. angustus, capite thoraceque nigro-chalybeis ; elytris purpureis; 

 pedibus elongatis ; femoribus apice tenuiter clavatis. 



Narrow elongated; head, thorax, body beneath and legs dark 

 chalybeous, the elytra purple; thorax punctured with two or 

 three smoothish spaces, slightly bulging behind. Legs slender, 

 the femora gradually clubbed at the tip. 



Length 7 lines. 

 Hab. S. Africa (Dr. Andrew Smith). 





104. POLYZONUS. 



Polyzonus, Dej. Cat. p. 349. 



Lap. An. Art. ii. 438. 

 Promeces, p., Serv. 

 Saperda, p., Fabr. 



1. Polyzonus tetraspilotus. B.M. 



Cerambyx tetraspilosus, Hope, Silberm. Rev. Ent. iii. 71. 

 Cerambyx tetraspilotus, Hope, I. c. pi. 32. 

 Hab. E" Indies. 



2. Polyzonus quadrimaculatus, n. s. B.M. 



P. chalybeo- viridis ; elytris singulis, maculis duabus subquadratis 

 luteis, suturam haud" attingentibus ; corpore subtus viridi, pilis 

 brevibus sericeis induto. 



Head deep bluish green, the front light green ; between the 

 eyes and behind the antennae are six or seven short striae ; the 

 thorax is delicately striated, those near the front margin trans- 

 verse, the others radiating as if from a centre. Scutellum green, 

 hollowed out. Elytra green and chalybeous, each with two yel- 



