288 PROCEEDINGS OF THE ACADEMY OF [May, 



the length of the body; mandibles, clypeus and labnim moderately 

 prolonged; palpi long and slender, the proximal joint quite short, the 

 second and third longer and siibequal, the distal slender, gradually 

 enlarging, over half again as large as the second. Pronotum arched 

 transversely and with faint indications of lateral shoulders; cephalic 

 margin truncate, caudal margin subtruncate; lateral lobes slightly 

 longer than deep, the cephalic section of the margin oblique, mesad 



Lateral view of U-pe. (X 2.) 



with a rounded obtuse angle and caudad with the same, the caudal mar- 

 gin itself nearly straight. Mesbnotum with the caudal margin obtuse- 

 angulate ; metanotum very slightly obtuse-angulate. Abdomen slightly 

 tectate; cerci styliform, slightly shorter than the pronotum. Cephalic 

 femora very slightly longer than the head and thoracic segments, 

 armed on the ventro-cephalic margin with three spines and on the 



