ESPECIALLY MYCTOPHOIDS 73 
DEscRIPTION. Neurocranium. Dorsal, ventral, lateral and posterior views of the 
neurocranium are shown in Text-figures 32-35. The cranial roof is flattened with its 
widest point behind the orbits in the sphenotic region. The cranium is relatively 
deep in the posterior region but shallower anteriorly. The orbit is enormous, 
occupying more than half the length of the neurocranium, whilst the cranial cavity 
itself is very small. 
a ea 
spo 
pt.f 
df 
soc 
st.s.c 
Fic. 32. Enchodus lewesiensis (Mantell). Neurocranium in dorsal view. The broken 
line on the right side of the figure indicates the course of the sensory canals. 
