Longicornia Malay ana. 617 



(which is formed by the first and second bands) , not the 

 Roman x ; M. Chevrolat gives the latter, although his 

 description implies the former. 



The short broad prothorax will distinguish this and 

 the last from the three following. 



Perissus grallarius. 



P. niger; capitis fronte linea elevata raediana; pro- 

 thorace oblongo-ovali, albescente, disco nigro-nebu- 

 loso ; elytris nigris, cinereo-quadrifasciatis ; tarsis 

 posticis articulo basali duobus sequentibus conjunc- 

 tim quadruplo longiori. 



Hab. — Coram. 



Black; head with a slender median elevated line in 

 front, extending to the clypeus; prothorax oblong-oval, 

 black, shading off into ashy white towards the sides at the 

 base and apex; scutellum transverse, whitish; elytra 

 scarcely elongate, as broad as the prothorax, with four 

 ashy bands, the first basal, the second curved upwards 

 but scarcely touching the scutellum, the third triangular, 

 the fourth apical and oblique at its anterior boi'der, apices 

 slightly rounded, toothed at the outer angle, not spined; 

 body beneath pale ashy, the last three segments of the 

 abdomen black, the others and the metasternum darker in 

 the middle; legs black, the tarsi whitish, the posterior 

 with the basal joints four times as long as the two next 

 together ; antennae ( c? ) not more than half the length 

 of the body, brown, the last three joints white. 



Length 4^ lines. 



Perissus Jluctuosus. 



P. niger; fronte linea elevata mediana; prothorace 

 oblongo-ovali, albescente, disco nigro-nebuloso ; 

 elytris nigris, cinereo-quadrifasciatis, apicibus rotun- 

 datis ; tarsis posticis articulo basali duobus sequen- 

 tibus conjunctim vix triple longiori. 



Hah. — Sarawak. 



Closely allied to the last, except some minor differences 

 in the thickness of the bands on the elytra, which have 

 also their apices more rounded and the tooth at the 



TR. ENT. SOC, THIRD SERIES, VOL. III. PART VII. OCT. 1869. 



s s 



