36 Mr. Joseph S. Baly on the 



antennarum articulis penultimis duobus albidis ; thorace convexo, 

 minute subcrebre punctato; elytris crebre subfortiter punctatis, 

 lateribus plicatis ; viridi-flavis, utroque maculis basalibus duabus 

 parvis, una humerali, altera suturali, commtuii, fasciaque lata 

 subarcuata, utrinque abbreviata, extrorsum paullo ampliata, inter 

 medium et apicem posita, nigris. 

 Long. 4 lin. 



Hah. Ecuador (Buckley). Two specimens in my 

 collection. 



Head scarcely broader than long ; clypeal ridge elevated, well- 

 defined ; antennae filiform, nearly four-fifths the length of the body, 

 the second joint short, the third rather longer, the fourth more 

 than equal in length to the preceding two united ; the ninth and 

 tenth white, the rest black. Thorax one-half broader than long; 

 sides nearly straight and parallel from the base to beyond the 

 middle, thence rounded and converging towards the apex ; disk 

 transversely convex, nitidous, minutely piinctured. Elytra nar- 

 rowly oblong, slightly dilated posteriorlj', convex, plicate on the 

 sides, the humeral costa ill-defined ; surface obsoletely wrinkled, 

 rather coarsely punctured. 



Spec. 64. Dlahrotica nigromaculata, Jacoby. 

 Proc. Zool. Soc, 1878, p. 154. 



Anguste ovata, postice ampliata, convexa, nitida, subtus viridi- 

 flava, i)ectore, tibiis tarsisque nigris ; supra prasina, scutello 

 capiteque nigris, antennis pallide flavo-piceis ; thorace bifoveolato ; 

 elytris crebre tenuiter punctatis, ad latera plicatis i utroque macu- 

 lis basalibiis duabus, una humerali, altera suturali cuneiformi, 

 communi, fasciaque pone medium, utrinque abbreviata, nigris. 



Long, 2Tr lin. 



Hah. Ecuador (Bucklei/), Peru. Coll. Jacoby and 

 Baly. 



Head triangular, not longer than broad ; clypeal ridge elevated, 

 well-defined ; antennae filiform, nearly equal to the body in length, 

 the second joint short, the third nearly one-half longer, the fourth 

 longer than the preceding two united. Thorax about one-fourth 

 broader than long ; sides sinuate and slightly diverging from the 

 base to beyond the middle, thence rounded and converging towards 

 the apex; disk deeply bifoveolate. Elytra broadly oblong-ovate, 

 dilated posteriorly, convex, minutely punctured, rather strongly 



