Coleopterological Notices, III. 105 



23 H. dorsalis Schz. — Proc. Am. Phil. Soc, XVII, p. 370.— Oblong-oval, 

 rather strongly depressed, dark rufo-ferruginous, the elytra black in apical 

 two-thirds; abdomen, legs and antennae paler; surface moderately shining, 

 feebly alutaceous ; pubescence short, rather fine and sparse, pale but not con- 

 spicuous. Head rather sparsely, coarsely punctate, the eyes large, somewhat 

 narrowly rounded within, separated in both sexes by one-third to one-fourth 

 their own width ; antennae long, slender, filiform, fully three-fifths as long as 

 the body in the male, joints almost parallel, much more than twice as long 

 as wide, third much shorter than the fourth in the male, subequal in the 

 female. Prothorax three-fifths wider than long, the apex strongly arcuate and 

 continuous with the sides, the latter broadly arcuate toward the base, which 

 is transverse, with the sinuations small and feeble ; angles right in the male, 

 somewhat obtuse in the female, not rounded ; disk widest at about basal third, 

 coarsely and rather sparsely punctate, feebly deplanate toward the basal angles 

 in the female, very obsoletely impressed in the middle toward base. Elytra a 

 little more than three times as long as the prothorax and very slightly wider, 

 gradually ogival at apex ; sides parallel and almost straight in basal three- 

 fifths, the humeri slightly exposed ; disk with feebly impressed series of 

 exceedingly fine, scarcely distinguishable, not very close-set punctures, the 

 intervals finely, sparsely punctate, the punctures not distinctly finer than 

 those of the striae. Abdomen finely but distinctly, rather sparsely punctate. 

 Legs slender, the basal joint of the hind tarsi fully one-third longer than the 

 remainder. Length 5.7 mm. ; width 2.2-2.3 mm. 



Florida (Tampa and Capron). Mr. Schwarz. 



A widely isolated species, not only in coloration but in its long 

 filiform male antennae, large eyes and peculiarly small inconspicuous 

 serial punctures. The male antennae, with the third joint shorter 

 than the fourth, differ from those of any other species belonging to 

 the present group which I have seen. In the female the antennae 

 are shorter and stouter. 



The fifth segment in the male is much shorter and more obtusely 

 rounded than in the female, and, in both sexes, the lateral subapical 

 emarginations of this segment are unusually strong. The sexual 

 difference in the eyes is not marked ; in fact in the single female 

 before me they are, if anything, more narrowly separated than in 

 the male. 



The fourth joint of the maxillary palpi is very broad, the apex a 

 little longer than either side, and the angle at the base slightly more 

 than right. 



24 H. disc ret us n. sp. — Oblong, subparallel, moderately convex, pice- 



ous-black ; under surface, legs and antennae slightly paler, dark rufo-ferrugi- 



nous, the abdomen distinctly paler toward apex ; pronotum alutaceous, the 



elytra polished ; pubescence rather long, semi-erect, somewhat coarse, pale 



Annals N. Y. Acad. Sci., VI, Nov. 1891.— 8 



