Some obvious minor typographical and punctuation errors have been corrected silently; some minor formatting inconsistencies have been standardised silently. Some Greek accents and diacritics have been ignored. Page 29: closing bracket inserted after 185-6 days respectively Page 90, Fig. 24: reference letters A, B, C and D inside the illustration have been enlarged for better visibility. Page 97: alignments changed to alignements; aujourdhui changed to aujourd’hui Page 173, first table: 19° 51′ E. changed to N. 19° 51′ E. Page 220: footnote marker [65] inserted after Rhys where it seems to fit best (lacking in source document). End of the Project Gutenberg EBook of Stonehenge and other British Stone Monuments Astronomically Considere, by Joseph Norman Lockyer