

PERNIS. BEE-HAWK. 



Bill shorter tliaii the head, rather broader than deep 

 at the base, compressed towards the end, strong, with 

 a curved acute tip. Upper mandible with the cere 

 large, the dorsal outline convex and sloping a little to- 

 wards the edge of" the cere, beyond which it is curved 

 so as to form the fourth of a circle, the ridge rather 

 narrow but convex, the sides sloping and a little con- 

 vex, the edges overlapping, with a very slight festoon 

 beyond the middle, the tip deflected, slightly concave 

 beneatli, very acute, its lower part nearly perpendicu- 

 lar. Lower mandible with the angle medial, broad and 

 rounded, the dorsal line slightly convex, the sides con- 

 vex, the edges sharp, inflected, slightly curved, the tip 

 rather broad, with its edges decurved. 



Nostrils narrow-elliptical, recurved, oblique, lateral, 

 about half way between the edges and the ridge, near 

 the fore edge of the cere. Eyes large ; eyelids closely 

 feathered, and destitute of ciliary bristles ; the lachry- 

 mal bone small. Aperture of the ear transversely ob- 

 long, large. 



Head of moderate size, flat above, broad behind, an- 

 teriorly narrowed ; neck rather short ; body rather 

 elongated ; wings very long ; legs short, strong ; tibise 

 short and muscular ; tarsi short, strong, roundish, fea- 



