Note II-26 — Chapter II · ANTIQUITIES OF THE ISTHMUS, COSTA RICA, MOSQUITO COAST, AND NICARAGUA.
Reading edition
Pownal, in Archæologia, vol. v., p. 318, pl. xxvi.; Humboldt, Vues, tom. ii., p. 205, pl. xiii.; (Ed. in folio, pl. xxxix.); Id., in Antiq. Mex., tom. i., div. ii., pp. 27-8, tom. ii., suppl. pl. vii., fig. xi.