280 



Melan^thus, Uhler. 



Elongate-oval; the margins remotely ciliated all aroand. Head semi- 

 circular in front ; the margins either feebly or obsoletely recurred ; the 

 submargin ciliated, but destitute of spines ; tylus as long as the lateral 

 lobes ; occiput broad ; the base of the head each side of it not scooped 

 out; bucculfe almost percurrent, distinctly higher at the posterior end; 

 rostrum reaching almost or quite to the intermediate coxte ; basal joint 

 as long as the bucculee ; the second longest, a little longer than the third ; 

 third longer than the fourth, and only a little shorter than the second ; 

 the fourth subequal to the basal joint ; autennte moderately stout and 

 long ; the basal joint stouter than the second, but not so stout as the 

 fifth, a little narrowed at tip ; second slender, either longer or shorter 

 than the third ; third thicker toward the tip ; fourth longer ; fifth long- 

 est, and, together with the preceding joint, subfusiform. Pronotum 

 distinctly transverse, very feebly convex ; the lateral margins almost 

 straight, a very little curved inward anteriorly ; the edge recurved ; an- 

 terior margin broadly sinuated; posterior margin subtruncated. Scu- 

 tellum longer than broad, acutely narrowing toward the tip ; the tip 

 narrow, acutely rounded, overlapping the inner apex of the corium. 

 Exterior field of the corium broad, depressed ; the costal margin curved 

 inward toward the tip, leaving the connexivum exposed posteriorly; 

 the posterior margin moderately oblique, feebly arcuated; the exterior 

 tip a little produced. Legs normal ; the anterior tibiiDe very moderately 

 compressed. Venter moderately convex ; the connexivum impressed 

 longitudinally ; the edge sharp and prominent. Odoriferous tube very 

 slender, running outward about two-thirds of the distance to the exterior 

 edge, and terminating in a flat button. 



M. elongatus. Kew sp. 



Deep black, shining, elongate-oval; the sides very parallel. Head 

 semicircular, a little convex on the cranium, densely punctured, re- 

 motely punctured at base ; the submargin broadly depressed, remotely 

 ciliated ; the margin recurved ; tylus very short, a little cylindrically 

 elevated, reaching as far as the lateral lobes, minutely rugulose, each 

 side of it and the surface near each eye having a small sunken point ; 

 antennae stout, dark piceous ; the joints paler at each end ; the second 

 most slender, shorter than the third ; the third enlarging toward the 

 tip, a little shorter than the fourth ; fifth longest; rostrum reaching not 

 quite to the intermediate coxfe, rufo-piceous ; the second joint longest; 

 the third a little shorter ; fourth shortest. Pronotum subtrapezoidal, 

 fully twice as broad as long ; the lateral margins anteriorly very slightly 

 oblique, more suddenly rounded at the anterior angles ; the edge re- 

 curved, remotely ciliated ; front part of disk a little couvexly elevated, 

 polished, minutely rugulose ; the remaining surface coarsely punctured ; 

 a transverse, impressed line crossing just before the base connects each 

 side with a coarsely punctured line running forward from near the hu- 

 meri, and with two impressed points near the junction of these lines; 

 posterior margin truncated ; the edge narrowly but abruptly decurved; 

 the lateral angles rectangular. Antepectus polished, having a few small 

 punctnres; the prosternum a little cariuated ; meso-sternum distinctly 

 carinated. Legs dark piceous ; the posterior tibire long and slender. 

 Scutellum extending not quite two-thirds the length of the venter, 

 acutely narrowing toward the tip, with a transverse hump at base, and 

 a narrower lunate impression behind it ; the surface polished, minutely 

 punctured ; the lateral impressed lines broad, shallow, roughly punc. 



