Note II-60 — Chapter II · ANTIQUITIES OF THE ISTHMUS, COSTA RICA, MOSQUITO COAST, AND NICARAGUA.
Reading edition
Boyle's Ride, vol. i., pp. 290-1, vol. ii., pp. 97, 144-5; Squier's Nicaragua, (Ed. 1856,) vol. ii., p. 339; Pim and Seemann's Dottings, pp. 126-7.