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scientist. My friend Professor Kendall's recent paper on the 

 " Glacial Lake System of Cleveland," has been a revelation even 

 to the most distinguished scientists of the day. But the solution 

 of one problem only brings into view a score of other problems 

 demanding solution. A few days ago my friend wrote " I feel 

 that my work was very superficial, except so far as the very edge 

 of the ice in this district was concerned. Could you not 

 complete the case by working out the details of the closing stages 

 of glaciation in the area between you and Whitby ? I am sure 

 there are interesting things to be done, and I have most of the 

 six-inch maps, which are quite at your service if you will do the 

 work." To this I can only reply that there are many things 

 which it would be interesting to do if there were not a thousand 

 other things claiming to be done. With regard to the recession 

 of the ice, I will merely say at present, that it was a slow and 

 irregular process, occupying possibly centuries. Paloeolithic man 

 may possibly have lived in our area before the ice came on, but, 

 if so, the ice more forceful than Kishon of old, swept him away. 

 On the retreat of the ice Neolithic man probably closely followed 

 that retreat in company with animals which we now find only in 

 sub-polar regions, and others which have disappeared altogether. 

 Neolithic man was a long headed fellow whose remains are found 

 in long burial mounds, of which we have so far as I know no 

 example in Cleveland, though they occur just outside the area. 

 He was apparently followed and subdued by Bronze man of whom 

 we have probably a very interesting memorial at Easby. He was 

 a round-headed type of man, and built for his departed friends 

 burrows of a round form. 



The earliest remains of man that have as yet been discovered 

 in the neighbourhood of Easby were first brought to the attention 

 of archaeologists by myself some years ago, and they are of 

 singular interest. In a commanding position surmounting that 

 remarkable and beautifully wooded and precipitious bank girdled 

 by the Leven before reaching the village of Easby is an earth- 

 work of ancient date, and in an unusually perfect state of 

 preservation. I was guided to its discovery by two local names. 

 The name '• Burro w t Greens" seemed to imply a " burh " or 

 entrenchment of some sort; the name "Castle Hills" seemed to 

 imply something of the same sort, for in the North of England 

 numerous Castle Hills occur of which the name is due not to a 

 building of wood and stone, but to a simple earthwork, which 

 doubtless originally carried on its circling mound a more or less 

 strong wooden stockade. Where then was this " burh " this 

 <' castle " of Easby. I set out one day to make this quest, and 



