GIDEON ALGERNON MANTELL, LL.D. F.R.S.

HONORARY FELLOW OF THE ROYAL COLLEGE OF SURGEONS OF

ENGLAND, ETC.

AUTHOR OF THE FOSSILS OF THE SOUTH DOWNS, GEOLOGICAL EXCURSIONS ROUND
THE ISLE OF WIGHT, ETC.

Every rock in the desert, every boulder on the plain, every pebble
by the brookside, every grain of sand on the sea-shore, is replete with
lessons of wisdom to the mind that is fitted to receive and comprehend
their sublime import."

SIXTH EDITION.

LONDON:

HENRY G. BOHN, YORK STREET, COVENT GARDEN.

LONDON:

R. CLAY, PRINTER, BREAD STREET HILL

TABLE OF CONTENTS.

VOL. II.

1. LECTURE V. PART I.-THE JURASSIC FORMATION: OOLITE AND

PAGE

483-532

1. Zoology of the Chalk. 2. Zoology of the Wealden. 3. Site of the Coun-

try of the Iguanodon. 4. Lithological structure of the Country of the

Iguanodon. 5. Medial Secondary Formations. 6. General view of the

Oolite and Lias. 7. The Oolite or Roe-stone. 8. Geographical distri-

bution of the Oolite. 9. Railway Sections. 10. Subdivisions of the Oolite:

Portland Rock. 11. Kimmeridge Clay. 12. Oxford Oolite. 13. Oxford

Clay. 14. Kelloway Rock and Cornbrash. 15. The Cotteswold Hills.

16. The Stonesfield Slate. 17. Organic Remains of the Stonesfield Slate.

18. Fossil Mammalia of Stonesfield. 19. Comparison of the Stonesfield

and Wealden Fossils. 20. Lithographic Oolite of Germany. 21. Carbo-

niferous strata of the Oolite. 22. Collyweston Slates. 23. Carboniferous

Oolite of Brora. 24. Carboniferous Oolite of Eastern Virginia. 25. The

Lias. 26. Organic Remains of the Jurassic System. 27. Zoophytes and

Radiaria. 28. Mollusca. 29. Crustaceans and Insects. 30. Fishes.

31. Reptiles of the Jurassic System.

2. LECTURE V. PART II.-THE TRIAS AND PERMIAN FORMATIONS. 533-588

1. The Trias and Permian. 2. Geographical Distribution of the Trias and

Permian. 3. Rock-Salt and Brine Springs. 4. Origin of Rock-Salt and

Gypsum. 5. The Cheltenham Waters. 6. Conglomerates of the Trias.

7. Organic remains of the Trias. 8. Mollusca and Crinoidea. 9. Fishes

of the Trias. 10. Reptiles of the Trias. 11. The Labyrinthodon. 12.

The Rhynchosaurus. 13. The Dicynodon of Africa. 14. Foot-prints on

stone. 15. Ornithichnites. 16. The Permian System. 17. Magnesian

limestone or Zechstein. 18. Permian of Germany and Russia. 19. Or-

ganic Remains of the Permian System. 20. Invertebrata of the Permian.

21. Fishes of the Permian. 22. Reptiles of the Permian. 23. Reptiles.

24. Chelonians or Turtles. 25. Crocodiles. 26. Enalio-Saurians or

Marine Reptiles. 27. The Plesiosaurus. 28. Pterodactyles, or Flying

Reptiles. 29. Ophidians and Batrachians. 30. Review of the Age of

Reptiles. 31. Objections considered. 32. Concluding Remarks.

3. LECTURE VI.-ON CORALS AND CRINOIDEA .......................................................... 589-659

1. Introductory. 2. Organic and Inorganic Bodies. 3. Distinction

between Animals and Vegetables. 4. Nervous System and Sensation.

5. Diversity of Animal Forms. 6. Animal nature of Zoophytes.