STAPHYLINID.E 127 



increasing in size and all distinctly transverse, the tenth longer than the 

 ninth, the last barely as long as the two preceding, pointed; prothorax 

 about a third wider than long, widest and with the sides moderately 

 rounded anteriorly, the sides very slightly converging and nearly straight 

 thence to the base, the surface very broadly and feebly flattened medially, 

 except near the apex, and with a feeble transverse basal impression; 

 elytra large, quadrate, a third wider and three-fifths longer than the 

 prothorax; abdomen much narrower than the elytra, parallel, with 

 straight sides, the tergites equal, the sixth (cf ) very broad, feebly and 

 evenly sinuato-truncate, the sides of the truncature marked by simple 

 angles, the sixth ventral broadly parabolic; middle coxse narrowly 

 separated, the metasternal projection moderate in size but elongate and 

 acutely angular. Length 2.2 mm.; width 0.52-0.58 mm. Nevada 

 (Esmeralda Co.), Nunenmacher. 



Also aberrant, especially in its shorter and very differently con- 

 stituted antennae. The median line of the head is impressed cen- 

 trally as in the other species here described. 



Paradilacra Bernh. 



The rather numerous species of this group differ among themselves 

 in the nature of the abdominal impressions to a somewhat radical 

 degree; also in the form and convexity of the body and in the 

 antennae. The type of the genus, named densissima by Bernhauer, 

 apparently has notably large eyes, the prothorax narrowed gently 

 toward base from well before the middle and the transverse im- 

 pression of the third tergite obsolete; the following is a closely allied 

 species: 



Paradilacra symbolica n. sp. Rather stout, subparallel and convex, 

 dull in lustre and extremely finely and closely punctured throughout to 

 the tip of the abdomen; piceous-black in color, the elytra not paler, the 

 legs slightly paler, piceous; pubescence short, rather coarse, not sericeous 

 and only slightly pale; head large, nearly as wide as long, fully three- 

 fourths as wide as the prothorax, feebly triangular, being perceptibly 

 swollen at base, the eyes large, at three-fourths their length from the 

 base, the carinse wanting; antennae moderately long, gradually and very 

 feebly incrassate, blackish-piceous, scarcely paler basally, the third joint 

 only just visibly shorter than the second, the fourth distinctly, the fifth 

 only just visibly, longer than wide, the outer joints feebly transverse, 

 the last fully as long as the two preceding; prothorax barely a third 

 wider than long, widest near apical third, where the sides are distinctly 

 rounded, thence very evidently converging and straight to the base, the 

 median line finely, very feebly impressed basally, the impression broad- 

 ening to the base; elytra subparallel, slightly transverse, about a fifth 

 wider, the suture nearly a third longer, than the prothorax; abdomen 



