Note 437 — PRIMO VIAGGIO INTORNO AL MONDO (continued 4)

Cf. Transylvanus, Vol. I, pp. 330, 331. The Tridacna gigas, described by Delgado, Historia, p. 929, under the name of taclobo. Colin asserts that he saw one of the shells which was used as a watering-trough and another as a holy-water font. The shells sometimes attain a length of five or six feet, and weigh hundreds of pounds. The natives burn them for lime. See Official Handbook of Philippines (Manila, 1903), p. 152.