Data supplements
Erratum
The sentence in the first paragraph of the introduction which reads �Cruveilhier observed that book II, plate 3 could not be found or confirmed and does not correspond to Breshchet�s atlas (1).� should read �The reference given by Cruveilhier, that is �book II, plate3� could not be found or confirmed, and does not correspond to Breschet�s atlas (1).�