r 169 ) 



87. Callichroma tricolor sp. uov. ^ 



d. C. elougatum, viridi-aurcuui ; capite, ])rothoracis par-te autica, scapo, elyt.ro- 

 mm latei'ibus pedibusque violaceis aut uiji'nj-violaceis. Caput ruguloso jniiictatum, 

 froute foi'titer transverse impressum, impressione laevi. Scapus anteuuarum valde 

 rngosns. Prothorax lateraliter et ad basim igiieus, bicoustrictus ; lateribus modice 

 dentatis, laevibns ; disco regulariter transverse plicato, antice laevi. Scutellum 

 igneuui, dense subtiliter transverse rugulosiim. Elytra angnsta, prothorace vix 

 latiora, snbtilissiiue rugnloso-puuctulata ■, jiarte siiturali lata violaceo-viridi. Infra 

 minutissime jjunctulatum, singulis puuctis grossis instruftum, griseo-albo-sericans. 

 Femora quatnor antica snbtus fortiter rugosa, postica niinnte punctulata. 



Long. 25 mm., elytr. 17, lat. 4i. 



In coloration somewhat recalling Etiporiis stranyulatiis JServ. 



Allied to G. sidcatulum White, as well as to C. imitator sp. nov. ; distinguished 

 from both species by its peculiar coloratiou, slender shape, strongly rugose 

 antennary scape, and by the sculpture of the prothorax. 



Hab. Lnkolele (Upper Congo). 



88. Callichroma sulcatulum White. 

 Sierra Leone. 



89. Callichroma micans Hope. 

 Cape Coast Castle. 



ot). Callichroma coloratum sp. uov. ' 

 (? ? . C. variicolor, capite, prothorace sciitelloqae splendens. ( !aput fronte 

 parum longitudiualiter strigulosum et pauce pnnctulatum, aut fere laeve, vertice inter 

 ocnlos laeve, snloo mediano autice et postice abbri!viato. Antennae nigrae aut 

 violaceo-nigrae, st'apo rugose punctato, apice sulidentato. Prothorax lateribus fere 

 laevis, dente laterali sat parvo et acuto, plicatura ante dentem ubsoleta, supra omnino 

 regulariter transverse striatns, post medium spatio triangulare laevi uistructus. 

 Scutellum sparsim punctnlatum. Elytra deusiter aequabiliter transverse ruguloso- 

 punctulata. Pedes nigro-violacei, tarsis uigris, femoribus dense punctatis. Infra 

 subtiliter griseo-argenteo-pubescens. 

 Colore varians : 



1. Capite et prothorace auratis, scutello aureo-viridi, elytris laete purpureis (type). 



2. Capite, prothorace scutelloque anreo-viridibns, elytris nigro-caeruleis, 

 lateribus apiceque nigro-violaceo-purpureis. 



3. Capite prothoraceqne igneis, scutello aural o, elytris laete viridi-caerules- 

 centibus, lateribus et apice violaceis. 



4. Cai)ite purpureo-obscuro-viridescente, prothorace nigro, laterilius purpuras- 

 cente, scutello igneo-aurato, elytris viridil)ns, ajiice violaceo-nigris. 



Long. 21 li ram., elytr. 15, lat. 4|. 



The smooth area of the prothorax varies in size : in two males it extends from 

 the base to the anterior constriction, in other specimens it reaches only the middle 

 of the disc. Head and prothorax usually very glossy, but in one specimen the 

 prothorax without gloss. The prosternum has a line and dense punctuation, and 

 some transverse wrinkles ; the punctured area is limited at the sides by a regularly 

 curved impressed line in the male. 



Allied to G. episcopale Chevr., from which it differs — inter alia — in having the 



