Grave-mounds and their contents; a manual of archaeology, as exemplified in the burials of the Celtic, the Romano-British, and the Anglo-Saxon periods (1870)
owing information regarding the Cornish circles,and also for the diagrams which illustrate it. Uprightstones were, as in the case of the ring fences alreadynamed, placed at tolerably regular intervals around thebarrow, either on the natural surface of the ground or on acircular embankment thrown up… … was adopted for encircling grave-mounds, and in the form-ing of hut dwellings, etc. It will easily be seen that incourse of time the loose walled parts would be throwndown and disappear, while the uprights, being firmly fixedin the ground, would remain, and would thus form thestone circles as now…
Mounds · Megalithic monuments
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