184 Mr. Joseph S. Baly on the 



anterior sinuate in tlie middle ; npper surface transversely 

 convex, coarsely and in-egularly, but not very closely 

 punctured ; lateral border refiexed. Scutellum smooth, 

 trio-ouate. Elytra broader than the thorax, oblong, 

 shghtly dilated' posteriorly, convex, coarsely punctured. 

 Pyo-idium in the $ transversely trigonate, its apex broadly 

 rounded; in the $ this segment is less transverse and 

 more acutely trigonate, the apex only being rounded. 



This species differs from ^lotschidsky's description of 

 A. niger in its larger size, and in its strongly pimctiu-ed 

 thorax; iSIotschulsky says that in A. nigcr this part is 

 impunctate. 



Arthrotus cyaiieus. 



Elongato-ovatus, niger, nitidus, abdomine uigro-piceo ; 

 supra cyaneus, antennis uigris ; thorace transverso-qua- 

 drato, profuude subremote puuctato ; elytris auguste ob- 

 longis, fortiter pimctatis. 



Long. 1§ lin. 



Hah. — Hiogo ; a single specimen. 



Head exserted ; antemisB slender, longer than the body, 

 clothed with pale adpressed hairs, third joint half as long 

 again as the second, the two toorether distinctlv shorter 

 than the foiu-th ; encar|3a3 transverse, contiguous ; vertex 

 and front impressed with a few^ distant punctures. Thorax 

 one-half broader than long ; sides uarrowdy margined, 

 straight, feebly bisinuate, slightly diverging from base to 

 apex, anterior and posterior angles distinct, slightly pro- 

 duced, obtuse ; disk smooth, transversely convex, strongly 

 but not closely punctured. Scutellum large, wedge- 

 shaped. Elytra much broader than the thorax, oblong- 

 elongate, slightly dilated towards the apex, convex, 

 coarsely punctured, the punctures smaller and less deeply 

 impressed posteiiorly ; humeral callus moderately promi- 

 nent. Legs slender. 



Genus Melospila, Baly. 



Joum. Ent. i. (1861), p. 297. 



Gallerucida, Motsch. Etud. Ent. 1860, p. 24. 



M. Motschulsky's name Gallerucida has the prioritv of 

 mme, but bemg the singular of GallerucidcR, the name of 

 the family, I have not adopted it. 



This genus is entirely Asiatic : the two species men- 



