262 
ULULA. 
Ulula, generic characters — Bill bending from 
the base, booked and strong, mandible with 
a slight indication of a lobe or tooth ; conchal 
opening not large ; operculum ample, oval ; 
wings short, concave, rounded ; first qnill 
short; fourth and fifth equal and longest; 
the four or five first notched on their inner 
webs, and with a rather deep emargination 
on the outer webs towards the base. Tail 
rounded ample, hut not long. Tarsi plumed, 
toes plumed above for a part of their length. 
