1920] Crampfon — Lower Lepidoptera and Trichoptera 33 



o ocelli. 



p styliger or "coxite" bearing styli (also called cardo, or 



gonocardo) . 



pa parietal region of head, prealar bridge of thorax. 



pc postcranial region of head. 



pf parafrons. 



pfi paranotal fringe (paraf imbrium) . 



pi propleuron. 



pn pronotum. 



pp gonopleurite. 



pr plates on either side of anus (paraprocts or parapodial 



plates) . 



ps podal setse. 



psl postscutellum. 



pt patagium, or patagial areas. 



pv penisvalvse, penis, sedeagus or phallus. 



s styli, or gonopods (gonostyles) . 



sa plate under wing (subalare) . 



sal anterior tergal wing process (suralare) . 



sc scape of antenna. 



set scutum. 



sg process above gonopod (surgonopod) probably homolo- 

 gous with dorsal lobes rather than cerci. 



si scutellum. 



t tegula-bearing rod (tegulif er) . 



tf terminal filament (telofilum). 



tg tegula. 



tn trochantin. 



vc anterior division of coxa (eucoxa or veracoxa) . 



Explanation of Plates II and III, 



Fig. 1. Lateral view of thorax of Mnemonia auricyanea, Wals. 

 (Micropterygoid) . 



Fig. 2, Frontal view of head of Philopotamus distinctus (Trichop- 

 teron) . 



Fig. 3. Lateral view of thorax of Philopotamus. 



Fig. 4. Frontal view of head of Mnemonica auricyanea, Wals. 



Fig. 5. Dorsal view of thorax and wing bases of Philopotamus. 



