DESCRIPTIONS OP NEW SPECIES. 33 



109. B. nil) id us. Piceus nitidus, capite obscuro, thorace elytrisque 

 rufis, Ms seriebus grosse punctatis et subrugosis, punctis breviter seti- 

 geris, abdomine modice punctate pubescente, segmentis piceis margine 

 postico pallidiore ; ore antennarum basi pedibusque rufo-testaceis. 

 Long. *15. 



San Jose, California. The punctures of the base and apex of 

 the thorax are close to the margins ; the punctures of the elytra 

 are larger than those of the preceding species, and somewhat 

 less regular ; there are some rugosities visible which are not seen 

 in B.flavipes. 



110. B. mfescens. Nigro-piceus nitidus, thorace elytrisque rufls, 

 his seriebus punctatis setigeris, abdomine fortiter punctate pubescente ; 

 ore, antennaruin basi, ano, pedibusque rufo-testaceis. Long. '15--17. 



Middle and Western states. More robust than B. flavipes, 

 with the punctures of the thorax still more remote from the base 

 and apex. 



111. B. testaceiis. Piceus nitidus, minus convexus, ore, antenna- 

 rum basi, pedibus, thorace elytrisque rufo-testaceis, his seriebus punc- 

 torum solitis fere obliteratis, abdomine segmentis dorsalibus fortiter 

 punctatis margine postico anoque rufo-testaceis. Long. -14. 



Southern States ; Dr. Zimmermann. Smaller and less convex 

 than the other species, with the punctures of the elytral rows 

 very small and indistinct ; a few larger punctures may be seen 

 here and there ; the apical and basal punctures of the thorax are 

 remote from the margins. 



MYCETOPORUS MANN. 



112. M. flavicollis. Capite pectore elytrisque nigris, his ultra se- 

 riem dorsalem bi- vel tripunctatis, apice late flavis ; thorace flavo, punc- 

 tis apice et basi approximatis ; abdomine piceo-rufo, apice et basi palli- 

 diore, parce punctate ; ore pedibusque flavis, antennis piceis basi et 

 apice flavis. Long. -17. 



Louisiana ; Dr. Schaum. A beautiful species, strikingly dif- 

 ferent in coloration from any other known to me. The bristles 

 at the sides of the abdomen are numerous. The thorax has only 

 the usual apical and basal punctures, and no discoidal ones. 



113. M. lucidulus. Piceus pernitidus, thorace margine basali pal- 

 lidiore, punctis utrinque tres vel quatuor dorsalibus ; elytris intra aeriem 



