CONTENTS. xi 



caves never tenanted by man or wild beasts — Victoria Cave, near 

 Settle in Yorkshire — Succession of deposits in that cave — Glacial 

 bed associated with Pleistocene deposits — Bone-caves of Belgium — 

 General succession of deposits in these — Trou du Sureau — Kelative 

 position of Neolithic relics . . . Pages 90-104 



CHAPTEE VII. 



CAVE-DEPOSITS OF THE PLEISTOCENE PERIOD — Continued. 



Bone-caves of Belgium — The Trou Magrite — Contrast between lower and 

 upper deposits — Trou de la Naulette — Human bones associated with 

 remains of extinct animals — The Cavern of Goyet — The Trou du 

 Frontal — Age of sepulchral cavity — Caves of Germany and France — 

 General conclusions as to caves — Evidence of progress during Palaeo- 

 lithic Period — Reindeer period in Belgium and France — Cold 

 climatic conditions during the closing stage of Palaeolithic Period — 

 Alternations of genial and cold climates in earlier stages of same 

 period — Break between Palaeolithic and Neolithic Ages 105-120 



CHAPTER VIII. 



RIVER-DEPOSITS OF THE PLEISTOCENE PERIOD. 



M. Boucher de Perthes' discoveries — Professor Prestwich on origin of the 

 ossiferous and implement-bearing " drifts " — Fluviatile origin of the 

 so-called " drift " — Erosion of river valleys during Pleistocene times 

 — Time required for excavation of valleys — Professor A. Geikie on 

 modern denudation — Flooded condition of Pleistocene rivers — Pro- 

 fessor Prestwich on relation between ancient river-gravels and loams — 

 Absence of well-marked river-terraces accounted for — River-ice and 

 ice-floated erratics — Professor Prestwich on climatic conditions im- 

 plied by Pleistocene river-deposits — Commingling of different groups 

 of mammals — Sir C. Lyell's views — Mr. Darwin on angular gravels 

 of Southern England . . . . . 121-142 



CHAPTER IX. 



LOAMY DEPOSITS OF THE PLEISTOCENE PERIOD. 



Loss of German geologists — Its distribution throughout Europe — Organic 

 remains of the loss — Dr. Nehring on loamy deposits of Thiede and 



