Last of all, my sincere thanks to Dr. H.P. Blackmore, Honorary Director of the Salisbury and Blackmore Museums, for reading and revising my manuscript. FRANK STEVENS. THE MUSEUM, SALISBURY. _April 1, 1916._ * * * * * PRINTED BY WILLIAM CLOWES AND SONS, LIMITED, LONDON AND BECCLES. * * * * * +--------------------------------------------------------------+ | Typographical errors corrected in text: | | | | Page 17: Sarson replaced with Sarsen | | Page 43: Trithons replaced with Trilithons | | | +--------------------------------------------------------------+ * * * * *