150 FLINT IMPLEMENTS IN BASIN OF THE SEINE. CHAP. IX. 



CHAPTER IX. 



WORKS OF AET IN POST-PLIOCENE ALLUVIUM OF FRANCE AND 



ENGLAND. 



FLINT IMPLEMENTS IN ANCIENT ALLUVIUM OF THE BASIN OF THE 



SEINE BONES OF MAN AND OF EXTINCT MAMMALIA IN THE CAVE OF 



ARCY EXTINCT MAMMALIA IN THE VALLEY OF THE OISE FLINT 



IMPLEMENT IN GEAVEL OF SAME VALLEY WORKS OF ART IN POST- 

 PLIOCENE DRIFT IN VALLEY OF THE THAMES MUSK BUFFALO 



MEETING OF NORTHERN AND SOUTHERN FAUNA MIGRATIONS OF 



QUADRUPEDS MAMMALS OF AMOOR LAND CHRONOLOGICAL RELA 

 TION OF THE OLDER ALLUVIUM OF THE THAMES TO THE GLACIAL 

 DRIFT FLINT IMPLEMENTS OF POST-PLIOCENE PERIOD IN SURREY, 

 MIDDLESEX, KENT, BEDFORDSHIRE, AND SUFFOLK. 



Flint Implements in Post-pliocene Alluvium in the Basin 

 of the Seine. 



IN the ancient alluvium of the valleys of the Seine and its 

 principal tributaries, the same assemblage of fossil animals, 

 which has been alluded to in the last chapter as character 

 ising the gravel of Picardy, has long been known ; but it was 

 not till the year 1860, and when diligent search had been 

 expressly made for them, that flint implements of the Amiens 

 type were discovered in this part of France. 



In the neighbourhood of Paris, deposits of drift occur 

 answering both to those of the higher and lower levels of the 

 basin of the Somme before described.* In both are found, 

 mingled with the wreck of the tertiary and cretaceous rocks 

 of the vicinity, a large quantity of granitic sand, and pebbles, 

 and occasionally large blocks of granite, from a few inches 



* Prestwich, Proceedings of Boy. Soc. 1862. 



