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distinctly grooved nor dentate, but from certain directions 

 very feeble ridges are visible along one side of each, and near 

 the subapical notch each ridge is very feebly inflated, or 

 rather suddenly terminated, so as to cause an appearance as 

 of very feeble dentition. These characters, combined with the 

 short second abdominal segment, seem to indicate that the 

 species should be referred to my dans rather than to Pseu- 

 do my dans. In appearance it is like a very large Ps. tenuis, 

 but that species has the second abdominal segment much 

 larger. Of the species of Omydaus it is closest to impressi- 

 Aiollis, but that species is wider, with different clothing and 

 with moderately distinct femoral teeth and grooves. There 

 are two specimens before me, and both are very dirty, but the 

 abdomen and rostrum are apparently alike in both. On one 

 of them the clothing was evidently rather dense and mostly 

 more or less ochreous, with spots and fascicles of paler scales, 

 more noticeable on posterior declivity than elsewhere ; on its 

 elytra there are two oblique fasciae of sooty scales near the 

 summit of the posterior declivity. Its front tibiae are straight 

 on the lower edge from near the base to the subapical tooth. 

 The other specimen, in addition to being very dirty, is 

 evidently greatly abraded, but the oblique patches of sooty 

 scales are distinct. Its front tibiae are trisinuate between the 

 base and the subapical tooth, the basal sinus is feeble, the 

 next is slightly more distinct and bounded at each end by a 

 feeble tooth, but the next one is much more distinct. The 

 difference in the tibiae is possibly sexual. 



Omydaus nigrofasciculatus, n. sp. 



<S . Black ; antennae and tarsi but feebly diluted with 

 Ted. Irregularly clothed with rusty-brown and sooty scales. 



Head with a median carina and irregular punctures, fore- 

 Iiead quadrisinuate. Rostrum moderately long, distinctly 

 curved, sides dilated towards but deeply notched at base ; 

 basal half with coarse punctures, elsewhere shining and with 

 small clearly-defined ones. Scape inserted about two-fifths 

 from apex of rostrum, somewhat shorter than funicle, two 

 Ijasal joints of funicle subequal in length. Prothorax about 

 as long as wide, base strongly bisinuate, sides strongly 

 rounded; surface very uneven, and with coarse crowded punc- 

 tures; with a feeble median carina on apical half. Elytra 

 not much wider than prothorax, base strongly trisinuate, sides 

 gently rounded ; with rows of large deep punctures, becoming 

 small posteriorly; third interstice somewhat raised near base. 

 Basal segment of ahdomen gently concave, with large punc- 

 tures. Femora stout, strongly dentate; tibiae with distinct 

 ridges, front pair obtusely dentate about middle, and with a 



