150 FLINT IMPLEMENTS IN BASIN OF THE SEINE, chap. IX. 



CHAPTER IX. 



WORKS OF ART 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 GRAVEL OF SAME VALLEY WORKS OF ART IN POST- 

 PLIOCENE DRIFT IN VALLEY OF THE THAMES MUSK BUFFALO MEET- 

 ING OF NORTHERN AND SOUTHERN FAUNA MIGRATIONS OF QUADRU- 

 PEDS MAMMALS OF AMOORLAND CHRONOLOGICAL RELATION OF THE 



OLDER ALLUVIUM OF THE THAMES TO THE GLACIAL DRIFT— FLINT IM- 

 PLEMENTS OF POST-PLIOCENE PERIOD IN SURREY, MIDDLESEX, KENT, 

 BEDFORDSHIRE, AND SUFFOLK. 



Flint Implements in Post-pliocene Alluvium in the Basin of the 



Seine. 

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

 ■^ princij)al tributaries, the same assemblage of fossil ani- 

 mals, which has been alluded to in the last chapter as cha- 

 racterizing the gravel of Picardy, has long been known; but 

 it was not till the year 18G0, 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 neighborhood of Paris, deposits of drift occur an- 

 swering 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 tertiaiy and cretaceous rocks 

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

 and occasionally large blocks of granite, from a foAv inches 



••■• Prcstwich, Proceedings of Roy. Soc. 1S62. 



