COLEOPTERA OF BAJA CALIFORNIA. 397 



This species does not differ especially in form from 

 the others. The clypeus is, however, more arcuate in 

 front, the antennte 8-jointed and the tibial teeth feebly 

 indicated. 



Two specimens, San Jose del Cabo and El Chinche 



2,000 feet. 



Serica pilifera n. sp. 



Oblong ovate, pale brown, dull, surface with semi-erect 

 fulvous hairs. Head opaque, impunctate, clypeus coarse- 

 ly punctate, more shining, the apical margin moderately 

 reflexed with rounded angles, broadly but shghtly emar- 

 ginate, a very slight incisure each side. Thorax more 

 than twice as wide as long, slightly narrower at apex, 

 sides feebly arcuate, hind angles rectangular, surface 

 dull, sparsely indistinctly punctate, margin fimbriate, disc 

 with semi-erect fulvous hairs sparsely placed. Elytra 

 very vaguely subsulcate, the intervals slightly convex, 

 the sulci irregularly punctate, the punctures bearing a 

 semi-erect hair. Body beneath dull, sparsely punctate 

 and hairy. Length, .32 inch; 8 mm. 



This species may be known by its hairy surface, the 

 hairs of the elytra being vaguely arranged in rows in the 



sulci. 



Santa Maria. 



DiPLOTAXIS PUNCTULATA n. Sp. 



Oblong-oval, piceous black, moderately shining. Cly- 

 peus hemi-hexagonal, the angles well rounded, feebly 

 emarginate, surface cribrately punctate. Head coarsely 

 and densely punctate, a smooth vertical space. Thorax 

 twice as wide at base as long, slightly narrowed in front, 

 sides feebly arcuate, disc regularly convex, coarsely not 

 closely punctate, intervals with few very minute punc- 

 tures. Elytra with stride in pairs of coarse punctures as 

 in tristis, the intervals coarsely not closely punctate, the 



