66 GALERUCELLA RUGOSA. 



longitudinal groove. Clypeus transverse, thickened. An- 

 tennae extending to one third the length of the elytra, 

 the third joint of double the length of the second , the 

 latter and the rest of the joints of nearly equal length , 

 obscure fulvous. Thorax subquadrate , broader than long , 

 the sides subangulate before the middle , anterior and 

 posterior angles produced in a short tooth , surface deeply 

 excavated at each side and strongly punctured , a small 

 fovea is placed between the lateral excavations near the 

 anterior margin. Scntellum truncate at its apex. Elytra 

 distinctly wider at the base than the thorax , slightly di- 

 lated posteriorly, very closely rugose-punctate and finely 

 pubescent, their epipleurae extending to the apex. Claws 

 bifid. Anterior coxal cavities open. 



Specimens from Moeara Laboe, Loeboe Gedang, Bedar 

 Alam, the West-Coast, Soerian (Sumatra-Expedition) and 

 Solok (J. ÏÏ. Schagen van Leeuwen). 



Delocepliala , nov. gen. 



cf. Body oblong. Head broader than the thorax. Eyes 

 small. Jaws prominent. Palpi filiform. Antennae sub- 

 filiform , first joint slender , curved , thickened at the apex , 

 second one very short, third shorter than the first, the 

 following joints gradually shortened , pubescent. Thorax 

 narrow , transverse , without depressions , the sides con- 

 stricted near the base. Elytra closely rugose-punctate. 

 Anterior legs elongate. Tibiae unarmed , simple , first pos- 

 terior tarsal joint scarcely longer than the second. Claws 

 appendiculate. Prosternum very narrow. Anterior coxal 

 cavities closed. Elytral epipleurae continued nearly to the 

 apex. Posterior femora not thickened, 



9. Head of normal size. Anterior legs not longer than 

 the others. 



The genus proposed here, which would enter into Cha- 

 puis' 26th group, is at once distinguished by the great 



Notes from tlie Leyden IMuseum. , "Vol. "VI, 



