Coleopferological Notices, IV. 693 



Politus is slightly smaller, relatively broader and more depressed 

 than dubius, and may be known at once by the shorter beak, finer, 

 more even sculpture, paler color and smaller, much more remote 

 anterior coxae. 



STENA^fCYLUS n. gen. 



The principal characters may be expressed as follows: — 



Body elongate, slender, convex, the scutellum distinct, the metasternnin 

 elongate and the anterior coxae widely separated. Head rather elongate, coni- 

 cal ; beak short, broad, parallel, not in the least constricted or transvei'sely 

 impressed at base. Antennae inserted behind the middle, the scrobes deep, 

 beginning beyond the middle, rapidly descending to the lower margin of the 

 eye ; scape moderate in length ; funicle 7-jointed, the basal joint rather stout, 

 as long as the next two ; second to seventh rather short, subequal, feebly in- 

 creasing in width, just visibly obconical ; club moderate, oval, densely but 

 coarsely pubescent, with the basal joint constituting about one-half of the 

 mass. Eyes not very large, situated at the sides of the head, very convex, 

 prominent and coarsely faceted. Legs short ; tibise rather slender, with a 

 small internal spur at apex, the external uncus well developed ; tarsi rather 

 stout, the third joint feebly dilated, fourth slender, arcuate, not quite as long 

 as the three preceding together. 



This genus is allied to Macrancylus, but differs in its rather 

 stouter, more elliptic body and radically in its oblique and not hori- 

 zontal scrobes, also in its more prominent and coarsely faceted eyes, 

 and parallel beak; in Macrancylus the beak is conical in form. 

 From Rhyncolus it may be known at once by its more widely 

 separated coxse and coarsely faceted eyes, as well as its more slender 

 bodily form. 



S. COlomboi n. sp. — Elongate, narrowly oval, cylindrically convex, 

 glabrous, polished and pale rufo-piceous throughout. Head and beak con- 

 tinuous, transversely convex, finely but strongly, not very densely punctate, 

 the eyes situated at a great distance from the prothorax ; beak scarcely as long 

 as the head and two-fifths as long as the prothorax, straight. Prothorax a 

 little longer than wide, broadly, very feebly constricted near the apex, the 

 sides feebly arcuate ; apex slightly arcuate, three-fourths as wide as the base ; 

 punctures rather fine but strong, uneven but separated by about their own 

 widths without trace of median line. Scutellum small, oval. Elytra dis- 

 tinctly wider than the prothorax and more than twice as long, twice as long 

 as wide, the sides parallel and straight to apical third, then convergent and 

 sinuate, the apex narrowly obtuse ; humeri right ; strife coarsely feebly im- 

 pressed, coarsely punctate ; intervals narrow, finely, uniseriately punctate. 

 Under surface coarsely but not very densely punctate. Length 2.2-2.4 mm. ; 

 widthO.(imm. %S.OsA^Mr 



