148 
Psyche 
[September 
Abbreviations 
m — mouth. 
n — sclerotized bar on head region. 
o — sclerotized area at base of head projection. 
oh — oral hooks. 
p — projection of head region. 
phs — pharyngeal sclerite. 
r — mesal tooth of right oral hook. 
s — ventral cross-bar. 
sp — spiracle. 
t — sclerite below oral hook, 
u — collar surrounding spiracle, 
v — spine dorso-laterad of spiracle. 
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