104 



PAPERS BY DR. B. CLKMKXS. 



Hie larva? of die insects are very like each other, but I don't 

 know whether that of C*r*ifoKfUa undergoes the same 

 change of coloration after the last moulting as that of Nysie- 

 JvKella* The head and shield dark brown; body nearly 

 white, with seven minute, black points along the dorsum, 

 and eight on the ventral surface, somewhat larger, and more 

 distinct* Its mode of preparing for pupation is the same as 

 die previous species, bat whilst the individuals of Nys<B- 

 on a single tree are almost innumerable, those of 

 are not abundant. 



ASPIDISCA. 



Fore-wings with no discoidal cell. The subcostal nervule 

 traverses the middle of the wing, attenuated from the base to 

 die basal third, where it gives origin to a long, marginal 

 branch, which reaches the costa at the apical third of the 

 wing; near the tip it subdivides into three short branches, 

 one of which is delivered to the costa behind the tip,* one 

 to die tip, without attaining die extreme apex, and one to 

 margin, somewhat behind the second marginal 

 Tke median merrmre if tr<z*ting. The submedian 

 Hind-wings with no dis- 

 coidal celL The subcostal nervure 

 is central and attenuated towards 

 the base, and at about its apical 

 third delivers a branch to the inner 

 margin and is bifid behind the tip 

 of the wing. Hie median is simple. The submedian obso- 

 lete or wanting. 



Size extremely smaH Head and face smooth, covered 

 with closely appressed scales. Face rather broad, and some- 

 what produced beneath into * point. Forehead rounded. 

 Ocelli none. Eyes extremely small, not visible from above, 

 and scarcely visible in front. Antenna? held extended at the 



:: 15 



