ClCINDELID/E AND CARABID^ 149 



rounding sides, widest behind the middle, the apex barely two-thirds 

 as wide as the base, the sides not reflexed, having a very fine marginal 

 bead; surface between the longitudinal impressions and the angles 

 with a very faint oblique impression joining the longitudinal one 

 at base; elytra short, oblong, with feebly rounded sides, scarcely 

 two-fifths longer than wide, the surface broadly flattened, rapidly 

 and convexly declivous at the sides, the striae deeply impressed, with 

 convex intervals internally, gradually feebler externally, finely, 

 very obsoletely punctulate, the first four deep, fifth abruptly much 

 more feeble, sixth and seventh equal, barely traceable and virtually 

 obsolete, vestigial; single fovea of the third interval unusually feeble, 

 barely discoverable. Length 14.8 mm.; width 6.0 mm. Texas 

 (Austin), [laticollis Csy. nee. Lee. olim] planulata n. sp. 



Cephalic impressions not confluent, very small, at the apical margin and 

 widely separated; head small, half as wide as the prothorax, the 

 labrum very obtusely, angularly emarginate, the antennal joints 

 shorter than usual but very slender; prothorax fully one-half wider 

 than long, much narrowed at apex, widest a little behind the middle, 

 the sides anteriorly oblique and unusually feebly arcuate; surface with 

 the longitudinal impressions deep, a little within outer fourth, without 

 supplemental impression, the sides declivous to the marginal bead 

 throughout, the latter excessively fine; median stria fine, feeble 

 though entire; elytra oblong, with feebly arcuate sides, a little more 

 rounding at base, a third wider than the prothorax, almost one-half 

 longer than wide, the striae coarse, deeply impressed and basally 

 punctate internally, the fifth, sixth and seventh obsolete, the third 

 and fourth obliterated basally and apically; third interval with two 

 small foveae, instead of the usual single fovea. Length 9.7 mm.; 

 width 4.2 mm. Florida (Lake Worth) . .nupera Csy. 



5 Form more elongate than usual, evenly and distinctly convex, sub- 

 alutaceous; head with rather large and prominent eyes, almost two- 

 thirds as wide as the prothorax, with the two impressions moderately 

 small and partially confluent at the apex of the front; labral notch 

 obtusely angulate; antennal joints rather long and slender; prothorax 

 barely more than one-half wider than long, but little narrowed at 

 apex, the sides subparallel, widest but little before the middle, 

 moderately and unusually evenly arcuate from apex to base; im- 

 pressions nearly as in the preceding, the margins however distinctly 

 concave and reflexed, very finely basally, more broadly apically, 

 this being a reversal of the general rule; elytra oblong, more elongate 

 than in any other species, parallel, with feebly arcuate sides, nearly 

 one-half wider than the prothorax, almost three-fifths longer than 

 wide, the striae fine, feeble and finely punctate though equal and 

 very distinct throughout the width, the intervals very nearly flat. 

 Length 14.0 mm.; width 5.9 mm. Wisconsin (Bayfield). 



alternans Csy. 



The characters separating the small species are relatively more 

 radical than those apparent among the larger ones, but there can 



