XX 
LIST OF SPECIES. 
FROM THE POTTON SANDS. 
About 18 Species. 
Iguanodon, 2 species, vn.—vm. p. 78. 
Megalosaurus, sp. p. 79. 
Hylseosaurus, sp. p. 78. 
] Pelorosaurus, sp. p. 78. 
(Steneosaurus, or) Dakosaurus, 2 sp. pp. 77, 88. 
] Goniopholis, sp. p. 80. 
Pliosaurus brachyspondylus. vi. b, p. 77. 
Pliosaurus microdeirus (Seeley), vi.a, 9, p. 76. 
Plesiosaurus, about 4 or 5 species, v, p. 76. 
Ichthyosaurus, 4 species, iv. b . c, p. 74. 
FROM THE PORTLAND. 
Pliosaurus, sp. p. 91. 
FROM THE KIMERIDGE CLAY. 
Gigantosaurus (new genus). 
1 Gigantosaurus meg along x (Seeley). 84. a, p. 94. 
2 Ichthyosaurus chalarodeirus (Seeley). 86. a. 12, p. 106. 
3 Ichthyosaurus hygrodeirus (Seeley). 86.6.3, p. 106. 
4 Dakosaurus lissocephalus (Seeley). 82 . d, p. 92. 
5 Dakosaurus maximus (Quenst.). 82 . e . 3, p. 93. 
Der Jura, PI. 97, fig. 11 ; J. W. Mason, Quart. Jour. Geol. 
Soc. Yol. xxv. p. 218. 
6 Plesiosaurus megadeirus (Seeley). 85. a.&c. p. 97, &c. 
7 Plesiosaurus sterrodeirus (Seeley). 85 . d, p. 98. 
8 Pliosaurus brachyspondylus (Owen). 84. b . c, p. 102. 
Brit. Ass. Reports, 1839, p. 78. 
9 Pliosaurus brachydeirus (Owen). 84.^ p. 104. 
Brit. Ass. Reports, 1841, p. 64. 
Enaliochelys (new genus). 
10 Enaliochelys Chelonia (Seeley). 86 .f p. 108. 
