74 OTIOEHYN^CHID^. [Horn. 



EUCYLLUS n. g. 



Rostrum not longer than the head, robust, slightly narrowed in front, 

 ala3 not divergent, tip emarginate and with a very narrow smootli space. 

 Scrobes lateral, moderately deep, feebly arcuate, passing directly back- 

 Avards and attaining the eyes. Antennae long, scaly ; scape arcuate and 

 slightly twisted, passing slightly the anterior margin of the thorax ; funicle 

 7-jointed, slightly longer than the scape ; joints 1-3 long, the second longer 

 than tlie lirst, third slightly shorter than the first, 4-7 obconical, gradually 

 shorter, club rather small, oval. Thorax cylindrical, sides moderately 

 arcuate. Scutellum invisible. Elytra oblong oval. Intercoxal process 

 broad, truncate, second segment not as long as the two following, separated 

 from the first by an arcuate suture. Tips of hind tibi* scaly, anterior and 

 middle tibise mucronate. Claws connate. Body scaly and liispid. 



This genus Avould be jilaced by Seidlitz' table near TracliypMceus. 



E. vag'ans, n. sp. 



Elongate oval, densely seal}' and with greyish setiform hairs. Head and 

 rostrum nearl}^ as long as the thorax, densely covered with cinereous and 

 pale-brownish scales intermixed, and with short erect bail's sparsely placed, 

 surface sparsely punctured. Thorax cylindrical, truncate at apex and 

 base, slightly wider than long, sides moderately arcuate, disc moderately 

 convex, sparsely punctured, densely scaly and sparsely hairy. Elytra 

 elongate oval, twice as long as wide, moderately convex, finely striate, 

 striie with rather fine punctures not closely placed ; intervals flat, densely 

 scaly and with a row of moderately long erect hairs on each interval. Body 

 beneath densely scaly, and with very short set;e sparsely placed. Legs 

 densely sc.vly. scales cinereous, femora with a darker ring near the tip. 

 Length .39-. 28 inch ; 5-7 mm. 



The scales covering the body vary in color from cinereous to ochreous ; 

 on the thorax is a broad median stripe of darker color, and the elytra have 

 short brownish lines on the discal space, occupying alternate intervals. 



Occurs in Arizona and parts of California adjacent. 



THINOXENU3 n. g. 



Rostrum not longer than the head, robust, not narrower in front, above 

 flat, tip feebly emarginate. Scrobes lateral, rather broadly open and witli 

 divergent sides, posteriorly very shallow and not attaining the eyes. An- 

 tennae moderate, sub-terminal, scaly ; scape very feebly arcuate, attaining 

 the thoracic margin ; funicle 7-jointed, slightly longer than the scape, 

 joints 1-3 longer, the first longer than the second, joints 3-7 obconical ; 

 club small, elongate' oval. Eyes small, round, not prominent. Thorax 

 oval, slightly broader than long, truncate at apex and base. Scutellum in- 

 distinct. Elytra regularly oval. Intercoxal process broad, truncate ; 

 second segment not longer than the two following, separated from the first 

 bj^ an arcuate suture. Hind tibiiB scaly at tip, anterior and middle tibiae 

 indistinctly mucronate. Claws connate. 



This genus is clossly allied to the preceding, and has similar affinities ; 



