50 
2 A tooth just below apex and a large one just before its 
middle length ; pygidium well margined, tapering and constricted 
near the narrow tip; disc naked w ith an irregular median carina. 
g mandibles very long and slender; a small tooth at apical third 
and a larger one near base; hind femora beneath with an emar- 
gination near base and a long basal curved spine, as in Piagetia; 
pygidial area not defined. 
Type of genus Hyloliris mandibularis, n. sp. 
Hyloliris mandibularis, n. sp. 
Female, type: Length, 12.5 mm. Dull black; mandibles ex- 
cept apex, and tegulae ‘light brown; basal joint of antennae, pos- 
terior edge of fifth tergite and pygidium apically, brownish; fore- 

Fig. 19. oa ‘ a 
Hyloliris mandi- a ea 
bularis, @. 
Mandibles. 
Fig. 20. 
Hyloliris mandibu- 
laris, @. 
Hind femur. 
wings dusky along basal margin of costa, and all the marginal 
cell and beyond on either side and below, ee ak mandibles long, 
crossing; clypeus with the central third o - less well produced, 
cleft mesad and obliquely emarginate at ore angles; antennae 
with article 3 longer than 4; interocular space at vertex less than 
one-half as wide as the width of the clypeus. Head and thorax 
very finely granulate ; postscutellum lightly sulcate mesially ; pro- 
podeum with disc not margined by a distinct carina, and indis- 
tinctly transverse striate, coarser and subrugulose at base, and 
with a shallow median subapical depression; sides more or less 
obliquely striate, the posterior face obliquely truncate, with a 
deep sulcation. Legs rather long and moderately spinose; larger 
