A Guide to the Principal Chambered Barrows and other Pre-historic Monuments in the Islands of the Morbihan, the communes of Locmariaker, Carnac, Plouharnel and Erdeven, and the peninsulas of Quiberon and Rhuis, Brittany.
On the class of rude stone monuments which are commonly called in England cromlechs, and in France dolmens, and are here shown to have been the sepulchral chambers of once-existing mounds.