PL.xxm 
PACKARD, del. 
BRAIN AND RUDIMENTARY EYES OF CECIDOT/EA, AND BLIND BEETLES. 
■ 9 - 
Gp.n. 
.eut; 
’-branches 
of op.nerve 
origin of nerve 
1 ° 
g\ cells 
ant 
I : -— ' --|_gj_u__ r - ,‘| If r a 
