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CHAPTER IV.

POST-PLIOCENE PERIOD
BONES OF MAN AND EXTINCT MAMMALIA IN BELGIAN CAVERNS.

Earliest Discoveries in Caves of Languedoc of Human Remains with Bones of extinct Mammalia—Researches in 1833 of Dr. Schmerling in the Liége Caverns—Scattered Portions of Human Skeletons associated with Bones of Elephant and Rhinoceros—Distribution and probable Mode of Introduction of the Bones—Implements of Flint and Bone—Schmerling's Conclusions as to the Antiquity of Man ignored—Present State of the Belgian Caves—Human Bones recently found in Cave of Engihoul—Engulfed Rivers—Stalagmitic Crust—Antiquity of the Human Remains in Belgium how proved .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .

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CHAPTER V.

POST-PLIOCENE PERIOD
FOSSIL HUMAN SKULLS OF THE NEANDERTHAL AND ENGIS CAVES.

Earliest Discoveries in Caves of Languedoc of Human Remains with Bones of extinct Mammalia—Researches in 1833 of Dr. Schmerling in the Liége Caverns—Scattered Portions of Human Skeletons associated with Bones of Elephant and Rhinoceros—Distribution and probable Mode of Introduction of the Bones—Implements of Flint and Bone—Schmerling's Conclusions as to the Antiquity of Man ignored—Present State of the Belgian Caves—Human Bones recently found in Cave of Engihoul—Engulfed Rivers—Stalagmitic Crust—Antiquity of the Human Remains in Belgium how proved .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .

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CHAPTER VI.

POST-PLIOCENE ALLUVIUM AND CAVE DEPOSITS WITH FLINT IMPLEMENTS.

General Position of Drift with extinct Mammalia in Valleys—Discoveries of M. Boucher de Perthes at Abbeville—Flint Implements found also at St. Acheul, near Amiens—Curiosity awakened by the systematic Exploration of the Brixham Cave—Flint Knives in same, with Bones of extinct Mammalia—Superposition of Deposits in the Cave—Visits of English and French Geologists to Abbeville and Amiens .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .

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CHAPTER VII.

PEAT AND POST-PLIOCENE ALLUVIUM OF THE VALLEY OF THE SOMME.

Geological Structure of the Valley of the Somme and of the surrounding Country—Position of Alluvium of different Ages—Peat near Abbeville—Its animal and vegetable Contents—Works of Art in Peat—Probable Antiquity of the Peat, and Changes of Level since its Growth began—Flint Implements of antique Type in older Alluvium—Their various Forms and great Numbers .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .      .

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