ENCHODONTID^. 
223 
probably of the right premaxiila, bears part of a series of 
very small conical teeth. The large ectopterygoid teeth 
are shown to be hollow. The palatine seems to bear two 
longitudinal series of teeth. Part of the ossified sclerotic 
is preserved on the right side. Eyerton Coll. 
P. 1810 b. Yery fragmentary remains of skull and mandible; 
Lower Chalk, Burham, Kent. Egerton Coll. 
P. 5663-4. Two specimens exhibiting remains of jaws, the first 
also displaying the characteristic preoperculum with the 
small spine at its postero-inferior angle ; Chalk, Kent. 
Harford Coll. 
37752. Hinder half of left ectopterygoid associated with other 
fragments ; Upper Chalk, near Brighton. Saull Coll. 
P. 1810 C.. Hinder half of large right ectopterygoid, associated with 
other fragments ; Burham, Egerton Coll. 
P. 407. More imperfect fragment of ectopterygoid ; English Chalk. 
Presented hg the Earl of Ernie, 1881. 
25756-57.- Two large barbed teeth of the ectopterygoid bone, 
figured by Dixon, op. cit. pi. xxx. figs. 28, 29 ; Chalk, 
Sussex. Exxon Coll. 
39122. Imperfect dentary bones with remains of the characteristic 
dentition ; Chalk, Hailing, Kent. Boiverhank Coll. 
32343. Imperfect right dentary with teeth ; Chalk, Maidstone. 
Purchased, 1857. 
49066. Imperfect left dentary with teeth; Lower Chalk, Kent. 
Mrs. Smith's Coll. 
49064. Bemains of associated dentaries ; Lower Chalk, Dover. 
Mrs. Smith’s Coll. 
P. 7393. Associated remains of jaws either of this or an allied 
species; Lower Chalk, Dover. The characteristic, orna¬ 
mented premaxilla on each side bears traces of a single 
close series of minute conical teeth ; but tne fragments of 
maxilla are toothless. An unusually stout inner tooth is 
shown in the mandible. Purchased, 1895. 
