June, 1913-] ROBERTS: NOTES ON HaLIPLID^ OF AMERICA. 103 



Head finely, evenly, lightly punctured except at vertex ; eyes large, round 

 and prominent ; antennae color of head. 



Pronotum with fine deep punctures apically, extending back to disc ; disc 

 with a few scattered punctures ; base with a double row of coarse black 

 punctures ; a distinct median depression across disc basally. 



Elytra without markings ; widest at shoulders, nearly parallel at sides, 

 with' the apices obliquely truncate and angles obtuse; strice composed of 

 moderate-sized, deep, blackened punctures not larger than those at base of 

 pronotum and gradually reduced in size almost from base to apex ; striae not 

 confused apically. Under side and legs a dull or smoky yellow. 



Prosternal process widest at base, somewhat, not sharply, constricted 

 before the front coxae, evenly, deeply, closely punctate ; sides and apex finely 

 but distinctly margined. Mid-metasternum nearly flat, sparsely punctate, 

 without margins and with a round pit at center. 



Hind coxae with moderately deep, evenly placed, medium-sized punctures; 

 apices evenly rounded to suture where the angle is nearly rectangular. 



Male front and middle tarsi a little thickened and feebly pedunculate. 



Four specimens from Twin Lakes, California, were sent me by- 

 Mr. Ralph Hopping, to whom I am much indebted for a gift of the 

 types (^ and 5- which are in my collection. 



Haliplus rugosus new species. 



Broadly oval, widest at middle, not strongly convex, rufous. 



Size: length 4 mm., width 2j^ mm. 



Head finely, evenly not deeply punctate except a small space at vertex 

 impunctate ; eyes large, round, well separated, rather prominent ; antennae 

 rufous. 



Pronotum finely, evenly, densely punctate ; distinctly impressed at base 

 before the scutellum ; a narrow median line at apex infuscate. 



Elytra uniformly rufous, except a small central patch of testaceous 

 extending from the sixth stria to lateral margin ; broad, nearly flat dorsally, 

 with the sides gradually rounded and with the lateral margins serrulate to the 

 exterior apical angle ; apices oblique and feebly sinuate with the sutural angle 

 obtuse ; strial punctures moderately large and deep, those of the sixth to 

 tenth being largest and quite distinctly separated while those of the first five 

 are confused and confluent giving the whole basal area between the humeri, 

 and extending fully one quarter of the distance to apices, a decidedly rugose 

 appearance ; punctures strongly diminished apically ; fine punctures of the 

 dorsal interspaces numerous, crowded and mixed up with those of the striae. 



Under surface nearly unicolorous with the upper. 



Presternum with the sides slightly constricted from base to front coxae 

 and thence strongly excurved to apex, which is one third wider than base ; 

 sides with heavy, thick margins, apex less thickly margined ; slightly convex 

 laterally, strongly arched apically and closely, finely, deeply punctured between 

 the margins. 



