76 UPPER CRETACEOUS TELEOSTS 
ossification. The otic branch of the infraorbital sensory canal probably connected 
with the main infraorbital canal within the frontal, or possibly on the dorsal surface 
of the sphenotic. It entered the foramen at the posterior end of the pterotic crest 
and passed anteriorly within the crest. The notch and subsequent groove seen on 
the postero-lateral region of the pterotic crest probably indicate the point at which 
bo x f.v.pt 
5mm 
Fic. 33. Enchodus lewesiensis (Mantell). Neurocranium in ventral view. 
