+————————-+————————————————————————————————————————-+————————————————+
| | IRON AGE & HISTORIC ERA | BRITAIN
| +————————————————————————————————————————-+
| RECENT | BRONZE AGE—Homo Semi-cultus |AN ISLAND
| +————————————————————————————————————————-+————————————————+
| | CLIMATE TEMPERATE—Neolithic man | LAND SINKING
+————————-+————————————————————————————————————————-+————————————————+
| | CLIMATE COLD-TEMPERATE—Palæolithic man | CONTINENTAL
| | & Neolithic man | CONDITION
| +————————————————————————————————————————-+————————————————+
| | CLIMATE SLIGHTLY MILDER | LAND RISING
| | Palæolithic and Neolithic man. |
| +————————————————————————————————————————-+————————————————+
| | GLACIAL EPOCH OF MODERATE INTENSITY |
| +————————————————————————————————————————-+
| PLEISTO-| CLIMATE TEMPERATE—Palæolithic man | BRITISH
| CENE +————————————————————————————————————————-+
| | CLIMATE SUB-TROPICAL—Palæolithic man | ARCHIPELAGO
| +————————————————————————————————————————-+
| | CLIMATE TEMPERATE—Palæolithic man |
| +————————————————————————————————————————-+————————————————+
| | CLIMATE COLD-TEMPERATE | CONTINENT
| | | SINKING
| +————————————————————————————————————————-+————————————————+
| | GLACIAL EPOCH OF GREAT INTENSITY |
| +————————————————————————————————————————-+
| | CLIMATE COLD-TEMPERATE—Palæolithic | LAND RISING
| | men or Ape-men | IN NORTH
+————————-+——————+—————-+———————————————————————————+ ENGLAND,
| | | WEY- | CLIMATE COLD-TEMPERATE. | FRANCE,
| | |BOURNE| Existence of Cromer | SCOTLAND AND
| | |SANDS | Forest, Palæolithic | NORWAY
| | | | men or ape-men. | UNITED
| |NEWER +——————+———————————————————————————+
| | |NORWICH| CLIMATE WARM-TEMPERATE. |
| | | CRAG | Sub-tropical fauna & flora|
|PLEIOCENE+——————+———-——+———————————————————————————+————————————————+
| | | | | CONTINENT
| | | RED |CLIMATE SUB-TROPICAL | SINKING IN NORTH
| | | CRAG | | & WEST. EUROPE
| |OLDER +——————+——————————————————————————-+ SEPARATED FROM
| | |CORAL-| Apes. Bears. Hyænas. | AMERICA & BRITAIN
| | |LINE | Sub-tropical flora. | FROM NORWAY.
| | |CRAG | | ENGLAND, IRELAND
| | | | | & FRANCE UNITED
+————————-+——————+—————————————————————————————————-+————————————————+
| | | CLIMATE SUB-TROPICAL | CONTINENT
| |UPPER | Antelopes. Gazelles. Tropical & | RISING ON
| | | Sub-tropical flora. | SOUTH-EAST
| +——————+——————————————————————————————————+
| MEIOCENE|MIDDLE| Mastodon. Rhinoceros. Anthropo- | OF BRITAIN
| | | morphous Apes. Sloths. Anteaters.| DENMARK &
| +——————+——————————————————————————————————+ ENGLAND
| |LOWER | Placental mammals. Very few | UNITED
| | | Marsupials. Tropical flora. |
+————————-+————+———————————————————————————————————-+————————————————+
| | | CLIMATE TROPICAL |
| |UPPER | Anehitheres. Hyænodon. Lemur. | EUROPO-
| | | Tapir-like beasts. | AMERICAN
| +——————+——————————————————————————————————+
| EOCENE |MIDDLE| Lion-like Carnivora. | CONTINENTAL
| +——————+——————————————————————————————————+ CONDITION.
| |LOWER | Marsupials. Reptiles. Birds. |
+————————-+——————+——————————————————————————————————+————————————————+
[Illustration: EOCENE SEAS After Dawkins]
[Illustration: PLEIOCENE SEAS After Dawkins]
[Illustration: (After Lyell)
PLEISTOCENE SUBMERGENCE DURING TEMPERATE INTER-GLACIAL EPOCH
(South of England and France only submerged during the
—GLACIAL PERIOD OF SUBMERGENCE)]
[Illustration: PLEISTOCENE EUROPE
DURING POST-GLACIAL CONTINENTAL CONDITION After Dawkins]
[Illustration: SKELETON OF MAN]
[Illustration: SKELETON OF GORILLA]
[Illustration: SKELETON OF CHIMPANZEE]
[Illustration: Outlines of the skulls of a Chimpanzee, the Neanderthal
man, and a modern European. After Lyell.]
[Illustration: Outline of the skulls of the Neanderthal man, a modern
Australian, and the Engis man. After Lyell.]
[Illustration: SIDE VIEW OF SKULLS (After Tyler)
A. AUSTRALIAN (PROGNATHOUS).
B. AFRICAN (PROGNATHOUS).
C. EUROPEAN (ORTHOGNATHOUS).]
[Illustration: AUSTRALIAN TYPE OF SKULL. (After Topinard.)]