308 Mr. Walker's Descrivtiona of 



P.alpi whitish. Metathorax rus^ose, with four slight keels. 

 Abdomen piceous, elongate oval excepting the petiole, with 

 a liiteous band on the hind border of each segment. Pe- 

 tiole black, slender, cylindrical, full half as long as the 

 rest of the abdomen. Legs luteous. Wings cinereous ; 

 stigma and veins black, the latter testaceous at the base. 

 Length of the body 2 lines. 



HECABOLII)^. 



19. Hecaholus cinctiis. 



Male. Black, shining. Head and thorax smooth ; head 

 nearly round ; palpi yellow. Antennae slender, rather 

 longer than the body. Metathorax striated. Abdomen 

 subsessile, slightly scabi'ous, dingy whitish beneath, rather 

 longer than the thorax ; hind borders of third to fifth 

 segments whitish ; tips tawny. Legs luteous. Wings 

 blackish ; stigma and veins black. Length of the body 2 

 lines. 



CHELONID^. 



20. Ghelonns diver sus. 



Male. Black, thickly punctured, slightly shining. Head 

 yellow, black l^ehind and about the base of tlie antennae. 

 Antennae pale red ; first joint black. Me.=KDthorax with a 

 quadrate yellow spot which has a very deep angular notch 

 in front ; a yellow stripe on each side. Propectus yellow. 

 Abdomen with three segments, yellow towards the base, 

 this hue includes all the first segment, except a spot on 

 each side, and forms a large spot on the second segment ; 

 under-side yellow. Legs yellow ; tips of hind femora and 

 of hind tibiae black, the latter clavate. AVings pellucid, 

 pale brownish about the tips ; stigma large, black ; veins 

 yellow, black towards the tips. Length of the body 2;^ 

 lines. 



'ICHNEUTTD^. 



21. Protcroj)^ hasalis. 



Male. Black, stout, sabrous dull. Palpi testaceous. 



