June, 1920.] XOTMAX : CoLEOPTERA, X. Y. 187 



tate, punctures separated by about their diameters, all the stride abbreviated at 

 base, the first four very faint in the scutcllar area ; intervals more finely and 

 less closely punctate than the strije, eighth interval with a somewhat irregular 

 double row of punctures. Body beneath black, opaque. Prosternuni carinate ; 

 metasternal area shining, punctures fine, separated by about twice their diam- 

 eters ; area not extended by an oblique line to the anterior angles. Anterior 

 tibise not emarginate at apex. Length, 2.5 mm. ; width, 1.7 mm. One specimen. 



Cercyon basillaris new species. 



Form elongate-oval, widest near the base of the elytra, moderately convex. 

 Color black, elytra rufo-piceous, scarcely indefinitely paler at the extreme apex, 

 narrow basal margin and the first interval to the middle blackish ; mouth parts 

 and femora piceous, tibiae and tarsi paler, rufo-piceous. Head moderately 

 closely, somewhat less faintly punctate than in the preceding; one half the 

 width of the thorax. Thorax more than twice as wide as long, sides evenly, 

 gradually narrowed and arcuate from base to apex ; basal marginal line extend- 

 ing inwards only as far as the sixth stria, surface moderately closely and some- 

 what finely punctate, not at all sparser on the sides. Elytra rather more than 

 three times the length of the thorax, nearly one half longer than wide, widest 

 at basal fourth where it is distinctly wider than the thorax ; form just per- 

 ceptibly angulate at this point due to the feeble and flattened arcuation of the 

 thorax ; sides posteriorly nearly evenly narrowed and arcuate to the apex. Elytra 

 ten striate, tenth subobsolete, striae punctate, punctures separated by about their 

 diameters, punctures of the intervals finer, not at all dense, less distinct to- 

 wards the apex. Eighth interval narrow with a single very irregular row of 

 punctures. Body beneath black, subopaque, metasternal area shining, punctate, 

 punctures a little sparse and irregular, area not extended by an oblique line 

 to the anterior angles. Anterior tibiae not emarginate at apex. Length, 2.75 

 mm.; width, 1.7 mm. One specimen. 



The species wliich Horn describes as C. quisquilius does not agree 

 at all well with the descriptions of the European authors. It is pos- 

 sible that the above described C. basillaris may be Horn's species. 

 It seems doubtful, however, because the eighth elytral interval is nar- 

 row and uniseriately punctate and the sides of the thorax are not 

 pale. In C. incrcmatiis the form of the thorax does not agree with 

 Horn's description and the elytra have a distinct apical pale area 

 which extends along the sides to the base. 



Decarthron exiguum new species. 



Form moderately slender. Color uniform brown, legs and antennae not 

 paler. Head to the clypeal margin one half wider than long, eyes very large 

 and convex, occupying the whole side of the head, tempera lacking ; head be- 



