92 Mr. Adam White's Description 



Spartocerus ? erythromelas. 



S. pilos'msculus, aterrimus, thoracis lunuld, hemelylrorum bast, ma- 



culdque media, miniaceis. 

 Long. ]0| lin., laf. thor. 4| lin,, abd. o|. 

 Hab. Brasilia. In Mus. Brit. 



Beak reaches to base of hind legs. Head cloven, black, cheeks 

 and line over eye red, beak and antennse black, ocelli rather dis- 

 tant, clear. Thorax black, with a semicircular red line, exteriorly 

 / notched behind, beneath red, with a broad black band in centre, 

 reaching the sides in front. Scutellum small, black. Hemelytra 

 black, base of coriaceous part, as well as a spot near the internal 

 margin, red. Sides of abdomen projecting above, red spotted 

 with black. 



Spartocerus dor salts. 



S. ochraceo-niber, anlennis, thoracis maculd, scutello, hemelylrorum 



parte memhranaccd, pedibusque nigris. 

 Long. lin. 8-10. 

 Hab. Mexico. Dom Taylor. In Mus. Brit. 



Derepteryx, White, Mag. Nat. Hist. Nov. 1839, p. 542. 



The genus Cerbus of Hahn, appearing susceptible of division, 

 one of its sections may be characterized under the above 

 name, as follows : — Abdomen in both sexes extending beyond 

 hemelytra, the posterior part of thorax very much dilated, the 

 dilated portion extending forwards beyond head, first joint of the 

 antennae longest, second rather longer than third, and the fourth, 

 which is slightly curved, being rather shorter than third. Beak 

 reaches beyond base of first pair of legs. Hemelytra with four 

 principal veins, which are much forked. Tarsi three -jointed, first 

 joint strong, longer than second and third put together, hairy, 

 under side densely clothed with short hair. 



Cerbus {Derepteryx) Grayii. (Plate VII, fig. 4.) 



^- {D.)fuscus, thorace supra verrucosa, marginibus serratis, tibiis 

 omnibus compressis membranaceis. $femoribus valde incrassatis, 

 subtus spi7iosis, tibiis posticis ad apicem interne dente valido 

 instructis. 

 $ femoribus paulo incrassatis, tibiis posticis basi lobo rotundato. 



Long. lin. 13|, lat. thor. lin. 7. 



Hab. in Nepali^. In Mus. Brit. Named after J. E. Gray, Esq. 

 F.R.S. Keeper of the Zoological Collections of the British 

 Museum. 



