346 



CHAPTEE XL 



1888-1895. 



PLATEAU IMPLEMENTS OF KENT LETTERS ON POST - GLACIAL 



SUBMERGENCE CORRESPONDING MEMBER OF THE ROYAL 



ACADEMY OF THE LINCEI VICE - PRESIDENT OF THE 



GEOLOGICAL SOCIETY OF FRANCE. 



DURING the summer of 1888 the tusk of a mammoth, 

 6 feet long, had been found in a trench dug for drainage 

 works in the village of Shoreham, 30 feet above the 

 Darent, and a piece of this tusk about one foot long 

 reached Prestwich. A brief announcement of this 

 discovery appeared from his pen in the ' Geological 

 Magazine' for March 1889. Two months later, his 

 paper " On the Occurrence of Palaeolithic Flint Im- 

 plements in the Neighbourhood of Ightham, Kent ; 

 their Distribution and Probable Age," expressed his 

 views to the Geological Society. In this memoir, 

 which is one of extreme interest, he gave an ac- 

 count of Mr Harrison's discoveries of high-level Drift 

 in the Ightham district, and of palaeolithic flint imple- 

 ments at all levels up to 600 feet. He noticed also 

 the collection of palaeolithic implements made by Mr 

 De Barri Orawshay from the adjoining Sevenoaks 

 district, and that by Mr A. Montgomerie Bell of 

 Limpsfield from the head of the Darent Valley. The 



