CHOLUS. 307 
shorter and smoother rostrum. The black spots are very sharply defined on both the 
prothorax and the elytra. 
35. Cholus tenuis, sp.n. (Tab. XVI. figg. 14, 144, 3.) 
Oblong, narrow, convex, shining; rufo-piceous, the legs ferruginous, the femora sometimes black towards the 
apex, the anterior pair especially; above and beneath thickly clothed with oblong-oval, coarse, shining, 
whitish or yellowish-white scales, the vestiture of the legs coarse and piliform. Head densely punctate ; 
rostrum moderately stout, curved, longer than the prothorax, in the ¢ carinate and rugulosely punctate 
to about the middle, and very sparsely punctured thence to the apex, in the 2 a little smoother. 
Prothorax transverse, somewhat rounded at the sides, narrowed and constricted in front, closely, finely 
punctate, the interspaces here and there irregularly raised, smooth, and subgranulate. Scutellum trans- 
verse, bare. Elytra oblong, at the sides forming a continuous outline with the prothorax, gradually 
narrowing from the base, the apices obtuse; rather coarsely seriate-punctate, the interstices minutely 
punctate and transversely wrinkled. Mesosternum flattened between the coxe. First ventral segment 
feebly depressed along the middle in the ¢. Femora each with an acute tooth. 'Tibize both mucronate 
and unguiculate at the apex. 
Length 6—74, breadth 2-23 millim. (¢ 2.) 
Hab. Panama, Pefia Blanca, Bugaba (Champion). 
Four specimens, all somewhat abraded above, the single example from Bugaba 
having the squamosity less coarse than the three from Pefia Blanca, Narrower and 
more cylindrical than C. aureus, the vestiture less dense, not so coarse, and whitish, 
the elytra rather coarsely seriate-punctate. In the males the rostrum (viewed in profile) 
appears to be slightly constricted immediately beyond the points of insertion of the 
antenne. 
36. Cholus corrugatus, sp.n. (Tab. XVI. figg. 15, 15 a, ¢.) 
Subrhomboidal, narrow, black, the elytra with a brassy lustre ; the prothorax (a large subtriangular space on 
the dise and an oblong patch on the flanks excepted), the elytra (the costa excepted), the head around the 
eyes, and the entire under surface, densely clothed with narrow, ochreous or whitish-ochreous scales ; the 
vestiture of the legs whitish and piliform. Head densely punctate and feebly foveate between the eyes ; 
rostrum curved, much longer than the prothorax, moderately stout, rugulosely punctate at the sides 
towards the base, smoother along the middle and at the apex. Prothorax transverse, subconical, strongly 
constricted in front, very finely punctate and closely, feebly granulate. Scutellum transversely subcordate, 
finely punctate. Elytra much wider than the prothorax, elongato-cordate, somewhat flattened on the 
disc, the humeri subangular and laterally prominent ; sulcate, the interstices costate, shining, and very 
sparsely punctate, the close punctuation of the sulci hidden by the dense squamosity. Beneath closely 
punctate; first ventral segment depressed along the middle. Mesosternum flattened between the cox. 
Legs rather elongate, the hind femora about yeaching the apex of the abdomen; femora each with an 
acute tooth. 
Length 11, breadth 43 millim. (d 9.) 
Hab. Panama, Volcan de Chiriqui 8000 feet (Champion). 
One specimen, obtained in the bamboo-thickets high up on the southern slope of 
the Volcan de Chiriqui. The elytral sculpture resembles that of Dionychus paralle(o- 
grammus, Astyage lineigera, &c., a character separating C. corrugatus from the other 
Choli here described. 
2 RR 2 
