GRAVEL AROUND WALDERSLADE. 215 



I have received much help from my friend KennarcJ, who has 

 kindly lent to me his extensive collection of pamphlets dealing 

 v/ith this subject, and I take this opportunity to express my 

 thanks to him. 



BIBLIOGRAPHY. 



1. Sir Joseph Prestwich, " On the Occurrence of PalseoUthic Flint Implements 



in the neighbourhood of Ightham." 



Quart. Journ. Geol. Sue. xlv.(i88g). 



2. Sir Joseph Prestwich, " On the Drift Stages of the Valley of the Darent" 



Quart. Jouiii. Geol. Soc. xlvii (i8gi). 



3. Sir Joseph Prestwich, " Primitive Characters of Flint Implements from 



the Chalk Plateau." 



Journ. Anthrop. Institute, .1,17(1894) 



4. W. J. Lewis-Abbott, " Plateau Man in Kent." 



Natural Science, iv. (1894). 



5. T. Rupert Jones, " On the Geology of the Plateau Implements.'' 



Natural Science, v. (1894). 



6. A. M. Bell, " Remarks on Flint Implements from the Chalk Plateau." 



Journ. Anthrop. Institute xxiii. (1894) 



7. Sir Joseph Prestwich, Controverted Questions of Geology : London (1895). 



8. W. Cunnington, " Authenticity of Plateau Man." 



Natural Science, xi. (1897). 



9. A. S. Kennard, " Authenticity of Plateau Man." 



Natural Science, xii. (1898). 



10. R. Ashington Bullen, "Authenticity of Plateau Implements." 



Natural Science, xii. (1898). 



11. W. J. Lewis-Abbott, "Authenticity of Plateau Implements." 



Natural Science, xii. (i8g8). 



12. W. Cunnington, " Palaeolithic Implements from the Plateau Gravel." 



Quart. Jour. Geol. Soc. (1898). 



13. A. M. Bell, " The Tale of the Flint." 



Longman's Magazine (1898). 



14. Benjamin Harrison, " Eolithic Implements." 



Trans. S.E. Union Scientific Societies (1899). 



15. G. Leith, " On Caves, Shell-mounds and Stone Implements of South 



Africa." 



Journr Anthrop. Institute, xxuiit. (1899). 



16. R. Ashington Bullen, " Eolithic Implements." 



Trans. Victoria Institute (1900). 



" Mesvinian " of Rutot, who however considers that the latter stage only is represented. 

 Nevertheless o ving to the fact that the iinplements from the Plateau Gravel are not all of the 

 same age but range over a long period of time, quite as primitive forms as the Reutelian are 

 met side by side with the better finished types (Mesvinian) such as are figured in this 

 paper. 



Rutot is certainly under a misapprehension when he thinks he finds contemporaneous 

 Reutelian implements at the base of the brickearth (low-level valley driftj at Erith, although 

 he offers a very ingenious explanation. He however overlooks the occurrence in the 

 immediate neighbourhood of an indisputably older deposit (the high-level valley drift) which 

 contains Palaeolithic Implements and which of course is itselt newer ihan the Plateav} 

 Gravel. 



