40 OTIORHYXCHID^. 



[Horn. 



This genus should probably be referred to the group Leptopsides of Lacor- 

 daire by its rather quadrangular rostrum although the lateral grooves and 

 carina are here entirely wanting. Whether the genus be placed in the 

 above group or with the Strangaliodides, the form of the scrobes, the short 

 scape and the rather short second segment with straight first suture charac- 

 terize it as distinct from any genus there described. 



D. setiger, n. sp. 



Oblong oval, densely covered with moderately large, imbricated, cine- 

 reous scales, discolored brownish by an exudation, and with short ere(;t 

 setoe. Head and rostrum slightly longer than the thorax, densely covered 

 with cinereous discolored scales, with erect slightly clavate setie sparsely 

 placed. Thorax oval, broader than long, slightly narrower in front, apex 

 and base truncate, sides moderately arcuate, disc convex, rugulose, sub- 

 granulose at the sides, surface covered as the rostrum. Elytra oval, slightly 

 attenuate at apex, base feebly emarginate, humeri obtuse, disc moderately 

 convex, striate, striae rather finely punctured, intervals slightly convex, 

 densely scaly and Avith a single row of short erect setae on each. Body be- 

 neath less densely clothed than above, scales slightly pearl)^ setae very 

 siiort and recumbent. Legs modei'ately densely scaly and sparsely setose. 



Length .24 inch ; 6 mm. 



Occurs in Texas. Belfrage 747. 



MELAMOMPHUS n. g. 



Rostrum longer and narrower than the head, cylindrical at base, slightly 

 broader at tip with the alae moderately prominent, tip feebly emarginate and 

 with a narrow smooth space. Mandibles moderately prominent, supports 

 of deciduous pieces also slightly prominent. Mentum transversely oval, 

 sub-mentum with short peduncle. Front convex, separated from rostrum 

 by a slight sinuation. Scrobes short, slightly arcuate, moderately deep in 

 front, rapidly evanescent posteriorly, directed slightly beneath the eye. 

 AntenniC sub-terminal, moderate ; scape graduallj^ thicker to tip, passing 

 slightly the middle of the eye, setose ; funicle 7-jointed, joints 1-2 longer, 

 the first longer than the second, 3-7 transverse, short, sub-perfoliate, and 

 verticillate with moderately long sette : club oval, pointed. Eyes trans- 

 versely oval, pointed beneath. Thorax oval, broader than long, lobes 

 moderate and with short fimbriae. Scutellum small, triangular. Elytra 

 oval, not wider at base than the thorax, feebly emarginate at base. Meta- 

 sternum short, side pieces moderately wide, separated bj'an arcuate suture. 

 Intercoxal process moderate. Second abdominal segment not longer than 

 the two following united, first suture straight. Tibiae mucronate, the an- 

 terior feebly denticulate within, articular surfaces of hind tibiae cavernous. 

 Tarsi normal. Body densely scaly and hairy. 



M. niger, n. sp. 



Form oblong oval, densely covered with brownish black scales and with 

 moderately long black hairs. Head and rostrum longer than the thorax, 



