* Fig. l.—Cdtel, Guernsey. 



Fig. 2.— St. Martin's, Guernsey. 



Fig. 3.— St. Sernin, Aveyron, France. Fig. L—Les Maurels, Tarn, France. 



* I am indebted to the kindness of Dr. P. Raymond, editor of La Revue 

 Prehistorique, Paris, for the plates of the illustrations of this paper. 



