PLATE V. 
^g- Page 
1. Thrissopater mapnus, sp. nov.: distorted head, left lateral 
and partly superior aspect, two thirds nat. size.—Lower 
Chalk; Hollinghourn, Kent. a.o. Antorbital. c.o. 
Circumorbitals. d. Dentary. ep.o. Epiotic. etli. 
Ethmoid, fr. Erontal. moo. Maxilla, pa. Parietal. 
pmx. Premaxilla. s.mx. Supramaxilla. s.o. Sub¬ 
orbital. s.occ. Supraoccipital. sq. Squamosal. 
[37981.] 34 
2. Ditto ; hinder portion of skull, superior aspect.—Lower 
(Ihalk; Kent. Letters as above. 2 a, 2 h. Two 
vertebral centra of same specimen, lateral and inferior 
aspects, r. Articulation for rib. [49078.] 35 
