ESPECIALLY MYCTOPHOIDS 205 
almost meet one another, and the median laminar orbitosphenoid behind. The edge 
of the lateral ethmoid has a definite facet for the articulation of the lachrymal. 
The nasals are small and elongate with rolled edges resting on the dorsal surfaces 
of the frontal and mesethmoid. The terminal part of the supraorbital sensory canal 
passed within a groove on the dorsal surface of the nasal. 
VO 
7 mes 
na 
d.f 
oinf.s.c 
st.s.c 
st 
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1.1 
Fic. 86. Aulopus filamentosus. Neurocranium in dorsal view. The broken line on 
the left side of the figure indicates the course of the sensory canals. 
