DESCRIPTIONS OF NEW SPECIES. 83 



nato, elytris nigro-cyaueis liaud dense, autice subseriatirn punctatia. 

 Long. *12. 



Georgia; rare. More convex than D. geminatus. This spe- 

 cies approaches the Mexican D. nigriceps Bony., I>ut does not 

 agree with the description sufficiently to permit me to consider it 

 the same. 



ALAl'S Esch. 



304. A. melanops. Niger fere opacus, punctis albo-pilosis consper- 

 sus, thorace latitudine longiore, canaLkulato, lateribus rotundatis, pi 

 paulo angulato, confertirn punctato, maculis duabua BOlitis nigro-veluti- 



nis fere rotundatis, elytris confertiin puuctatis subtiliter striatis. Long. 

 1-12. 



California and Oregon; Mr. Ulke. The thoracic spots are 

 shaped as in A. gorgops, from which as from all our other species 

 it differs by the less shining surface, and coarser pubescence : the 

 latter is distributed in very minute scattered dots. 



noRiSTOxorrs cand. 



305. H. simplex. Niger nitidus, pube helva subtili vestitus, pilia 

 longioribus intermixes, thorace latitudine baud breviore ante medium 

 angustato, et lateribus rotundato, subtilissirne punctulato, et remote sub- 

 tiliter punctato, elytris striis fortiter puuetatis, iuterstitiis planis subtili-;- 

 sime punctulatis et uniseriatim punctulato, antennis pedibusijue rulis. 

 Long. -30 — - 35. 



Cape San Lucas; Mr. Xantus. The head and anterior angl< a 

 of the thorax are sometimes reddish. The claws, as in our other 

 species, are strongly dilated at base into a tooth. 



306. H. deilSUS. Niger subopacus, cinereo-pubescens, tborace latitu- 

 dine vix longiore antrorsum vix angustiore, lateribus rotundatis, con 

 dense subtiliter punctato, elytris striis profunda punctatia interstitiia 

 rugosis et punctulatis, antennis pedibusque rufo-testaceis. Long. '25. 



One specimen, Cape Sau Lucas; Mr. Xantus. 



CRIPTOHYPMS Esch. 



307. C. graiidicollis. Elongatus, supra nigro-piceus nitidus, eeneo- 



tinctus, subtilissime pubescens, capite fortit.-r punctato, antice rufee 

 thorace latitudine longiore convexo, lateribus fere parallels antice ro- 

 tundatis, disco postice canaliculato, parce lateribus et antice fortiter 

 postice subtiliter punctato, angulis postiois divaricatis fortiter carinatia 

 rufescentibus, elytris striis profun lis leviter punctatia, interstitiia ; 



