the Philippine Islands" it seems that the Philippine Archi- 

 pelago bids fair to be the richest representation in the 

 world of these extremely delicate insects- He lists 98 species 

 as occurring there. 



But little is known of the life history except that the 

 adults nearly all feed on the foliage of trees and tall shrubs. 

 The few exotic nymphs that have been described all live 

 in rotten wood or under old bark, but the eggs have never 

 been described. 



Key to the genera 



1. Head broad, if viewed from above; small, short, compact species, 

 the antennae short and inconspicuous, subovate or subpyriform, 

 the auriculate process or antennal trough an appendage of the 

 head Cedusa Fowler 



... Head about as broad as in the above but with elytra distinctly 



longer, the antennal trough an appendage of the pronotum 



Cenchrea Westw. 



2. Head thin, if viewed from above, the elytra long and narrow, en- 

 larging and dilating towards the apex 3. 



3. Antennae with one or more basal appendages; the head long, 

 thin and rostrate ~ Otiocerus Kirby 



... Antennae without basal appendages, long, flattened in some species 

 and subcylindrical in others, extending to or beyond the tip of 

 the head 4. 



4. Three of four discoidal cells between the postcostal and median 

 veins; head slightly produced beyond the eyes; carinae of head 

 feeble, expanded very thin, vertex little depressed, Patara Ball 



... A large number of apical cells which are long and narrow, pre- 

 ceded by cross-veins arranged in a nearly transverse regular 

 band; head more produced beyond the eyes; carinae much elevated 

 at the sides, leaving a deep impression, Amalopota Van. D. 



... These apical cells much shorter, more irregular, and usually 

 fewer in number than in preceding genus; head produced beyond 

 the eyes; carinae of head elevated at sides, leaving a deep de- 

 pression; ocelli lacking, Anotia Kirby 



5. Moth-like, wing expansion 17 mm., Mysidia Westw. 



THE GENUS PATARA BALL 



In profile, members of this genus, have the vertex and 

 face forming a continuous curve; the antennae are small, 

 cylindrical or long, broad and flattened in our species, and 

 without appendages; and the elytra are long and apically 

 pointed with distinctive shape and neuration. 



121 



