EXPLANATION OF PLATES. 291 



PLATE XXXV. Earth-works on Acklam Wold, p. 216. 



These are but a small though prominent part of the system of earth-works 

 in the north-western part of the Wolds. The entrenchments run on 

 to the eastward by Sledmere for about 15 miles. 



Various Earth-works in different localities of Yorkshire. 



These being all drawn to one scale, and all included in a parallelogram 

 which, on the same scale, represents Eburacum, the superior size of 

 the greater Roman camps becomes very conspicuous. The sections 

 across each will explain the relative elevation of the banks and depth 

 of the fossae. The several works are numbered as under. 



1. Circular works near Thornborough and Nosterfield, p. 63. 



2. Semicircular work on Eston Nab, p. 219. (This sketch is not given as 



exact.) 



3. Circular work near Penistone, p. 220. 



4. High mound and enclosure of Barwick in Elmet, p. 213. 



5. Polygonal rather than circular work at Yarlesber, near Ingleton, p. 27- 



6. Imperfectly circular work called Studforth Ring, near Ampleforth, p. 215. 

 7- Old Camp at Langton, p. 214. 



8. Old Camp at Hutton Ambo, called Gateskeugh, p. 213. 



9. Ground Plans of cairns, tumuli and houses. The uppermost is Obtrush 



Roque. Below it the base of a hut on Ingleborough, followed by two 

 tumuli. 



10. The Circle of Arbelow in Derbyshire, with a series of stones on the 

 edge of the flat inner enclosure, p. 219. 



Page 171, line 4, for all the palaeozoic period read all the older palaeozoic period. 



ERRATUM. 

 Page 213, line 14,/or ' yards' read ' feet.' 



