PLATE III. 
Page 
1 . Esocdops cavifrons, sp. nov. ; bead, left lateral and 
inferior (1 a) aspects, two thirds nat. size. — London 
Clay ; Sheppey. ag. Articulo-angular. hr. Branchi- 
ostegal rays. d. Dentary. cept. Ectopterygoid. </"• 
Qular. Tim, Hyoraandibular. mpt, Metapterygoid. 
up. Operculum, p. Hyomandibular process tor oper- 
culum. pt.f. Postfrontal (sphenotic). </«■ Quadrate. 
s.op. Suboperculum, sy. Symplectic. | P. 1(49. ] 
2. Ditto; head, superior aspect, two thirds nat. size.- Ibid. 
epo. Epiotic. fr. Frontal, k.o. Suborbital. ■ 
Supraoecipital. xq. Squamosal. Other letters as 
above. [?< 640.] 
3. Megalops prixr/us, sp. nov. ; head, left lateral and superior 
(3 a) aspects, one third nat. size. — Ibid. u.o. Ant- 
orbital. i.o/ >. Iuteroperculum. m.v. Maxilla, p.op- 
Prooperculum. prn.v. Premaxilla. scl. Sclerotic. 
x. Process of maxilla. Other letters as above. 
[36070.] 
4. Ditto; hinder half of skull, superior aspect, two thirds 
nat. size. — Ibid. pa. Parietal. Other letters as 
above. IP. 6o7.] 
5. Ditto; longitudinal vertical median section of occipital 
portion of skull, two thirds nat. size. — Ibid, b.uic. 
Basioccipital. b.xji. Basisphenoid. e.v.ucv. Exoccipilnl. 
Other letters as above. 5 a. Posterior aspect, of basi- 
occipital,' showing basicranial canal (b.c.). 356.] 
6. Ditto ; right otic region of skull, lateral aspect, two thiids 
nat. size.— Ibid. /. Facctte for hyomandibular articu- 
lation. pr.o. Pro-otic. pl.o. l’terotie. Other letter, 
as above. TP. 4153.] 
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