VI 
LIST OF ILLUSTRATIONS. 
Fig. 21 — 
» 22 .- 
„ 23.— 
„ 24.- 
» 25.- 
„ 26.— 
„ 27 
„ 28.- 
„ 29.— 
„ 30.- 
„ 31, 
„ 32, 
„ 33. 
„ 34. 
,, 35. 
„ 36. 
Page 
Upper tooth of Scelidosaurus Harrisoni (Owen), Lower Lias, 
Cliarmouth 
Skeleton of Scelidosaurus Harrisoni (Owen), Lower Lias, 
Cliarmouth 
Restored skeleton of Iguanodon Bernissartensis (Boulenger), 
Wealden, Bernissart 
Teeth of Iguanodon, Wealden, Isle of Wight .. 
Vertebra of Iguanodon Bernissartensis (Boulenger) Wealden, 
Isle of W ight 
Tooth of Iguanodon, Wealden, Isle of Wight . . 
Lateral view of skull of Iguanodon Bernissartensis (Boulenger), 
Wealden, Bernissart 
A and B, two views of tooth of Trachodon Cantab rigiensis 
(Lydekker), Greensand, Cambridge; C, tooth of T. Foulki 
(Lei dy), Cretaceous New Jersey 
Vertebrae of Palceophis typhceus (Owen), Lower Eocene, 
Sheppey . « .. .. .. •• •• • • •• 
Vertebra of Balergx rhombifer (Owen), Eocene, Caylux 
Left dentary of Anguoid Lizard, Eocene, Caylux 
Jaw and vertebra of Varanus bengalensis (Daudin), Pleistocene, 
Madras • • . . ■ . .. > < •• • • • • 
Limb of Plaieearpus, sp. Cretaceous, North America. . 
Cranium of Platecarpus curiirostris (Cope), Upper Cretaceous, 
North America . . 
•Tooth of Liodon , sp., U. Cretaceous, Maestricht 
Skull of Mosasaurus Camperi (Meyer), Upper Cretaceous, 
M aestricht . . . . . . . . . . • • . . 29 
19 
19 
21 
21 
22 
22 
23 
24 
25 
25 
26 
26 
97 
28 
28 
37. — Skidl of Hyperodapedon Gordoni (Iluxley), Triassic Sand- 
stone, Scotland .. . . .. .. .. .. .. 30 
38. — Skull of Ichthyosaurus communis (Conybeare), Lower Lias, 
Lyme Regis . . . . . . . . . . . . . . 32 
39. — Centrum of vertebra of Ichthyosaurus trigonus (Owen), 
Kimmeridge Clay, Stanton .. .. .. .. ..32 
40. — Centrum of vertebra of Ichthyosaurus entheciodon (Hulke), 
Kimmeridge Clay, Wilts .. .. .. •• .. 32 
41. — Skull of Ichthyosaurus latifrons (Ivonig), Lower Lias, Barrow- 
ou-Soar .. .. •• •• •* •• * * • • 33 
42. — Two views of skull of Ichthyosaurus Zeilandicus (Seeley), 
U pper Lias, N ormandy .. .. .. .. .. .. 33 
43. — Skeleton of Ichthyosaurus, Lias, Lyme Eegis .. .. .. 34 
44. — Tooth of Ichthyosaurus ptatyooon (Conybeare) ; tooth of 
Ichthyosaurus communis (Conybeare), both Lower Lias, 
Lyme Regis . . . . . . . • • • . . . . 35 
, 45. — Left pectoral limb of Ichthyosaurus Conybeari (Lydekker) ; 
left pectoral limb of Ichthyosaurus communis (Conybeare), 
Lower Lias, Lyme Regis . . . . . . . . . . 36 
