Coleopterological Notices, III. 109 



Arizona. Mr. Morrison. 



A small, densely punctate and unusually dull form, rather closely 

 allied to densus and perfectly similar to the latter in the peculiar 

 coloration of the body, but differing in its much finer, still denser 

 punctuation, smaller eyes, and in its decidedly more depressed form. 



28 H. dissensilS n. sp. — Oval, moderately robust, rather convex, casta- 

 neous ; legs and antennae pale, flavo-testaceous ; lustre somewhat alutaceous, 

 the elytra more strongly shining, pubescence moderate in length and density, 

 pale. Head densely, rather finely punctate, the punctures generally in mutual 

 contact ; eyes small, separated by nearly one-third more than their own width ; 

 antennae moderately stout, filiform, two-fifths as long as the body, the joints 

 feebly obconical and about one-half longer than wide, third slightly longer 

 than the fourth. Prothorax rather elongate, scarcely more than two-fifths 

 wider than long, the apex broadly arcuate and almost continuous with the 

 sides, the latter broadly rounded anteriorly, very feebly arcuate and parallel 

 toward base, the basal angles slightly obtuse and very slightly rounded ; 

 base transverse, the sinuations just perceptible ; disk evenly convex, rather 

 coarsely, very deeply punctate, the punctures round, separated by rather less 

 than their own widths, the bottom of each highly polished, the interspaces 

 strongly alutaceous and granulato-reticulate. Elytra scarcely two and one- 

 half times as long as the prothorax, and, at the middle, but slightly wider ; 

 apex somewhat gradually acute ; sides broadly arcuate, nearly continuous 

 with those of the prothorax ; disk with moderately impressed series of very 

 coarse, deep, perforate and approximate punctures, the intervals nearly flat, 

 from three to four times as wide as the strial punctures, minutely, feebly, 

 confusedly and somewhat closely punctured. Abdomen rather sparsely but 

 unusually strongly punctured ; anterior parts of the body coarsely so. Legs 

 unusually short and robust. Length 4.4-4.8 mm. ; width 1.9-2.1 mm. 



Texas (Galveston). 



A distinct species, easily recognizable by its small size, oval, con- 

 vex form, coarse punctuation especially of the elytral series, and 

 rather long prothorax. It does not appear to be especially related to 

 any of the Mexican species of the Biologia, but belongs near densus. 



29 H. seriattlS n. sp. — Oblong-ovate, slightly wider behind, moderately 

 convex, dark piceo-castaneous, the pronotum and elytral suture sometimes 

 feebly rufescent ; under surface and legs paler, rufous ; pubescence moderate 

 in length, rather coarse and sparse. Head moderately convex, rather finely 

 but deeply punctate, the punctures between the eyes separated by about their 

 own diameters, the eyes moderate, separated by very nearly their own width 

 in both sexes ; antennae long, slender and filiform, three-fifths as long as the 

 body, joints four to eleven subequal, feebly obconical, the intermediate rather 

 more than twice as long as wide, the third three times as long as wide and 

 distinctly longer than the fourth. Prothorax rather small, two-thirds wider 



