IV. Skeleton of an Ibis from a Mummy found at Thebes. V. Numenius Ibis, supposed true Ibis of the Egyptians. VI. Fossil Human Skeleton found in Guadaloupe. VII. Cervus megaceros, Irish Elk in the Museum of the Royal Dublin Society. VIII. Fig. 1. Head and Horn of the Fossil Irish Elk. It represents a larger view of the head, in which the different markings are delineated, and the expansion of the horns shewn in a front view. In this is also seen the peculiar forked appearance of the sur-antler. Fig. 2. The portion of cast horn mentioned at p. 501, having the smooth convex surface at the root. Fig. 3. An internal and external view of the perforated rib, described in p. 504. IX. Cervus megaceros, Irish or Isle of Man Elk in the Royal Museum of the University of Edinburgh. [Illustration: _PLATE I._ _Page 248._ _PLAN_ Shewing the relative position of the MINERAL FORMATIONS around _PARIS_ _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._] [Illustration: _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._ _4^{th} Limestone or Java Oolite & Lias Limestones_ _Fossil Shells, Corals, Crustacæ, Lacertæ, Turtles. Fishes and Vegetables._ _5^{th} Sandstone or Green Sand or Quader Sandstone_ _with Coal, Fishes, Lacertæ & Emydes._ _5^{th} Limestone & Chalk_ _Fossil Shells, Corals, Lacertæ, Turtles & Fishes._ _Brown Coal Formation_ _Crocodiles &c. also Dictyledonous Plants._ _Hertfordshire Puddingstone_ _Crocodiles &c. also Dictyledonous Plants._