362 THE CANADIAN ENTOMOLOGIST. 



rounded laterally and anteriorly narrowed, emarginate in front. Man- 

 dibles piceous. 



Maxillary palpi moderate, piceous, luteous at articulations ; first two 

 joints short, about as broad as long, subequal ; third joint a little longer 

 than first two together, somewhat curved ; fourth slightly shorter than 

 third ; apical joint as long as third, subcylindrical (very slightly swollen 

 medially), darker piceous ; tip truncate, pale. 



Labial palpi a little longer than maxillary ; first joint twice as long 

 as broad, piceous ; second joint about three times as long as first, curved, 

 swollen apically, luteous, piceous at base ; apical joint fusiform, piceous, 

 moderately hirsute ; tip fine, truncate, pale. 



Maxillary palpigers luteous, with fuscous spots. Labium and 

 mentum luteous, the former with a longitudinal median dark line. 



Antenn;e somewhat clavate, scarcely as long as thorax, fuscous, 

 with very short, stiff hairs ; club paler; articulations luteous; first two 

 joints luteous, clouded with piceous, the base of first joint surrounded by 

 a luteous ring. 



Vertex elevated behind, rounded, luteous ; depressed portion ante- 

 riorly dark fuscous ; elevated portion with two transverse, dark fuscous 

 bands, the posterior more irregular and broken ; a mesial fuscous spot on 

 posterior margin. 



Pronotum with three longitudinal dark fuscous lines each side ; the 

 median pair coalesce midway between front and hind margins, diverging 

 posteriorly and anteriorly ; the outermost line on each side extends 

 forward not quite to the transverse furrow. Beneath luteous, a longi- 

 tudinal fuscous streak on each side near carina. 



Meso- and metanotum with the lobes moderately elevated ; mark- 

 ings similar to those of B. Hubbardii. Sides and sterna fuscous, with 

 luteous markings. 



Abdomen above luteous for the basal two-thirds, a longitudinal dark 

 fuscous line in the middle. Sides and venter fuscous. Apical segments 

 dark fuscous, a few small, indistinct, luteous spots above. Apical 

 segments thickly hirsute. 



Appendages similar to those of B. peregrinus or B. Coqui/ietti, but 

 still shorter, blunter, and more divaricate ; beset with the usual long 

 coarse hairs or bristles ; dark fuscous, pale on inner sides ; the inferior 

 triangular projection luteous. 



