neiv genera and species of CallichrominEe. 405 



Very closely allied to C. phyllopx(S, but certainly distinct, the 

 elytra being of a fine dark blue colour, and destitute of velvety 

 pile, and the thorax being much broader, including the latern.l 

 spines, as broad as the elytra. 



E. Macas, Equador (C. Buckley). 



CaUichroma piUventris. 



C. afro (Fab. Drury) et C. ohscuricorni (Chevr.) affinis et 

 similis; differt corpore subtus hand velutino-aurato, sed erecte 

 breviter griseo-piloso ; tibiis antennisque autem nigris. Viridis, 

 volutinis, sutura aurata, antennis nigris, pedibus rufis, tiliiis 

 nigro-piceis, tarsis posticis albo-pubescentibus : thorace sub- 

 velutino, alutaceo liaud strigoso, supra fere a?quali, spina 

 laterali lata conica. Long. 8-10 lin. $ ,^ . 



Gaboon (collected by R. B. N. Walker). 



Call/cJiroma chrysaspis. 



Angusta, modice elougata elytris postice attenuatis, supra 

 glabra subtus viridi-a^nea auro-sericea : capite thoraceque 

 purpureo-cupreis, hoc elougato, antice nullomodo postice modice 

 sulcato-constricto, utriuque breviter spinoso, dorso tantum recte 

 transversim strigoso reliquo spatio hastiformi mediauo glaber- 

 rimo, pleuris glabris, igneo-splendidis, propectore subtiliter 

 strigoso: scutello laitissime aureo, nudo, punctato: elytris vix 

 nitidis, confertissime punctulatis, viridibus, vitta laterali apiceque 

 violaceis subtilius punctatis : antennis {$) corpore midto lougi- 

 oribus : scapo apice extus j^roducto : articulo 4 quam 3 vel 

 5 vix breviori: pedibus violaceis. Long. 9i^ liu. $ . 



The proportions of the anteunal joints in this species are the 

 same as in Chloridolum (Thorns.), comprising the Indo-^Ialayan 

 series of CaUichroma;, the chief distinctive character of which 

 is the relative elongation of the fourth joint. 



Gaboon (K. B. N. Walker). 



CaUichroma lamprodera. 



Valde elougata et angustata : capite et thorace viridi- 

 aiu-atis, hoc disco ignicolori, elytris subtiliter velutinis, opacis, 

 violaceis, vitta angusta suturali apice haud attingeuti viridi: 

 corpore subtus viridi-asneo, subtiliter argenteo-velutino : pedibus 

 omniuo cyaneo-violaceis : thorace elongato, antice et postice 



