ESPECIALLY MYCTOPHOIDS 101 
giving an irregular latticed effect. This joining up of the tubercular ornamentation 
is visible to a certain extent on the postero-lateral region of each frontal. 
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° ° fo) 
CLO Ost es ° 
inf,s.c 
spo 
O.inf.sc 
pto 
pop.s.c 
Fic. 44. Ewrypholis boissievi Pictet. Neurocranium in dorsal view. The broken line 
on the right side of the figure indicates the course of the sensory canals. 
