PLATE VII. 
Fig. Page 
]. PacliyrMzochis suJmlidens {O^YQl\) right maxilla, inner 
aspect.—English Chalk. [P. 1808.] 43 
2. Ditto; left dentary,outer aspect.— Lower Chalk; Hailing. 
2 a. Portion of right dentary of same specimen, outer 
aspect. [36635-] 44 
3. Sjpaniodon elongatus, Pictet; head and anterior abdominal 
region, left lateral aspect.—Upper Cretaceous; Sahel 
Alma, Mt. Lebanon, a.o. Antorbital. br. Branchi- 
ostegal rays. cl. Dentar}". moc. Maxilla, gj.op. Pre- 
opercnlnm. pet. Pectoral hn. [48070.] 52 
4. Thrissopater {2)me(jalop)S, sp. nov. ; head and pectoral 
arch, left lateral aspect.—Lower Chalk ; Lewes. 
cl. Clavicle, i.o. Infraorbital, op. Operculum. jj.cL 
Postclavicle, p.t. Post-temporal, pmx. Premaxilla. 
s.o. Suborbital, s.op. Snbopercnlum. scl. Sclerotic. 
Other letters as above, [49826.] 
36 
