ON THE GENUS CEROBATES. 221 



10. C. deb His Thorns. 



Thomson, Arch, entom. II, p. 118, 1858. 



Distinctive characters: Elongate, colour chestnut 

 or reddish brown, the sutural region darker; head short, 

 eyes very approximate at the base , metarostrum foveolate , 

 apical joint of the antennae distinctly longer than the pre- 

 ceding one ; prothorax depressed , obsoletely channeled in 

 the basal half, sometimes up to the apex, never smooth; 

 elytra tristriate along the sutural interstice, the S^d dorsal 

 stria prolonged down to the apex , sides striate , obsoletely 

 punctured. — Length 5^2 — 8 mill. — Common. 



Hab. Congo, Gaboon and Zanzibar. 



11. C. fossulatus Motsch. 



Motschulsky, Etud. ejitom. VII, p. 96, 1858. 



Distinctive characters: Head sulcate between the 

 eyes, rostrum sulcate, except near the apex, antennae 

 stoutish , prothorax sulcate up to the apex , elytra along 

 the sutural interstice tristriate, the 2»"^^ stria prolonged 

 down to the tip , twice as broad as the internal one , 

 interstices raised, keeled. — Length 5 — 6 mill. — Rare. 



Hab. Burma. 



12. C. Grouvellei Senna. 



Bull. Soc. Entom. Ital. XXV, m, p. 307, t. II, f. 6, 1893. 



Distinctive characters: Head rounded behind the 

 eyes , furrowed on the front ; metarostrum and mesorostrum 

 furrowed ; apical joint of the antennae moderately elongate ; 

 prothorax foveolate or sulcate, the furrow not prolonged 

 up to the apical margin ; elytra along the sutural inter- 

 stice .tristriate in the basal half, quadristriate behind the 

 middle or near the apical declivity, sides very obsoletely 

 striate-punctate. — Length 4 — öVj mill. — Not common. 



Hab. Sumatra and Brisbane. 



Notes from thie Leyden ]>Xuseum, Vol. XVII. 



