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for believing that this sei-ies of workings is only one out of many 

 others (in the same district), and if such is the case, imagination 

 almost fails to conceive the vastness of the supply of material for 

 the people of the stone age provided by the chalk of Norfolk. But 

 flint was worked by means of pits in other chalk bearing counties, 

 besides being obtained on the surface, and in the shape of rolled 

 pebble on the sea beach ; so that we have to add many other sources 

 of supply to that of Grime's (iraves and other Norfolk workings. 

 Taking these facts into consideration, we seem to require a very 

 extended period for the neolithic age itself, as well as for the time 

 during which the pits in question were in operation. We have no 

 certain factor, however, at present, by which to measure that 

 pei-iod." 



This is what Mr Greenwell said, and he was inclined to agree 

 with him in the main points, and believed we had yet no notion of 

 the vast extent of flint working that must have gone on in the 

 different countries where chalk occurred, and of which fresh evidence 

 would turn up in future years. The evidence already deduced from 

 observations at both places pointed to a very wide range in time for 

 their duration, and we had in addition at Cissbury three other 

 factors, two at the commencement and one at the end, to add on to 

 the accumulated era. The two carrying us back being 1st — The 

 occurrence of Bos Urns, which was an animal belonging to the 

 drift fauna ; 2nd, the presence of feral animals, showing that the 

 people were still not advanced beyond the hunting stage; and 3rd, we 

 had the invasion of the Romans associated with our British Camp, 

 bringing us forwai'd to historic times. One question he had omitted, 

 i.e., whether the pits were coeval, older, or more recent than the vallum 

 and ditch. He had done this purposely, as he hoped at some future 

 time to open one of the pits situate without the camp, and he pre- 

 ferred to wait to see what it had to say on the subject, and what 

 points of similarity it had to this, before venturing to enter on this 

 topic. Before sitting down he had two duties to perform : — First 

 to acknowledge the great kindness and courtesy of Major Wisden, 

 the owner of Cissbury, for the facilities he had afforded him in 

 carrying on this work; it was also thi'ough his generosity that he 

 had, on the part of his father, to announce that evening the presenta- 

 tion to the Museum (as soon as means were forthcoming to 

 properly display them) of the whole of the relics of human work- 



