Part 6

10 Upper fresh water formation--Millstone--Flint--Limestone.

9 Millstone without Shells.

8 Upper marine Sandstone.

7 Sandstone & Sand without Shells.

6 Bed of Oysters.

5 Gypsum & Marl containing Bones of Animals.

Lower fresh water formation

Lower marine Sandstone

4 Siliceous Limestone without Shells.

3 Coarse marine Limestone.

2 Plastic Clay & Lower Sand.

II. Alluvial.

1 Chalk & Flint.

W. H. Lizars Sc. Edin^r.

Edinburgh Published by W^m. Blackwood 1827.]

PLATE II. Page 253.

SECTION

Illustrative of the succession of the SECONDARY FORMATIONS and of the distribution of PETRIFACTIONS.

Primitive Rocks No Fossil Organic Remains.

Transition Rocks First Appearance of Fossil Shells and Corals.

1^{st} Sandstone or Old Red Sandstone & Old Red Conglomerate Fossil Wood; Fossil Fishes?

1^{st} Limestone or Mount^n Limestone Fossil Corals & Shells.

2^d Sandstone or Coal Formation Impressions of Plants principally Monocotyledonous, many with a Tropical aspect.

New Red Conglomerate

2^d Limestone or Magnesian Limestone First appearance of Fossil Fishes and of Fossil Oviparous Quadrupeds.

3^d Sandstone or New Red Sandstone Fossil Shells, Corals & Vegetables.

3^d or Shell Limestone Fossil Shells.

4^{th} Sandstone or variegated Marl Fossil Plants and Shells.