264 
ACTINOPTERYGII. 
P. 3953. Fragmentary mandible; Chalk, Sussex. Enniskillen Coll 
49799. Fragmentary mandible about 0-12 in length ; Lower Chalk, 
Southeram, Sussex. Capron Coll 
P. 9042. fragment apparently of pterygoid arcade of this species, 
bearing characteristic teeth ; Lower Chalk, Durham. 
Presented by S. J. Hawkins, Esq-, 1891 • 
the following specimens seem to be fragments of the hinder end 
<>t the premaxilla of large individuals of this species, but they can 
only be provisionally determined : — 
4090. Five teeth and tho base of a sixth fixed upon bone, described 
and figured by Agassiz loc. (it. as the type specimen ol 
Saurocephalus stria tus ; Chalk, Lowes. Mantell Co 
4091. three more slender teeth in close series ; Chalk, Lewes. 
Mantell Coll 
5647. Group of fragments including hinder end of very large 
premaxilla, with remains of characteristic teeth in slight J 
spaced series ; probably from Lower Chalk, Cuxton. 
Harford Coll 
33309. Smaller fragment with well-preserved teeth ; Lower Chalk, 
Durham, Kent. Purchased, 18«8- 
47924. Fragment with teeth of unequal size ; Lower Chalk, n® a 
Maidstone. Presented by the Hon. llobert Markham, 18m 
Apateodus lanceolatus, sp. nov. 
[Plate XIII. fig. 7.] 
hype. Anterior portion of premaxilla ; British Museum. 
A species smaller than the type form. Anterior part of P re " 
maxilla comparatively short, with two much enlarged, long & n 
slender, lanceolate teeth, which are inclined slightly forwards: 
these teeth about equal in size, or tho anterior slightly the lar B e , 
and^the interspace between them much less than their height. 
Form. Loc. Turonian : Kent. 
39080. The type specimen, being the anterior portion of a 
premaxilla, exposed from the outer aspect and shown o 
the natural size in PI. XIII. fig. 7 ; Grcv Chalk, Dover. 
The anterior extremity of the bone is broken away, 
the two characteristic enlarged teeth are well presei ve< . 
