206, 241.
[52] Probably referring to the springs at Jigabo, province of Albay, the waters of which carry in solution a gelatinous silica, which is quickly incrusted on any object placed therein.

See _Report_ of U.S.Philippine Commission, 1900, iii, p.

222.
[53] The "geometrical pace" is, in English measure, roughly estimated at five feet; in Spanish measure, according to Los Rios's reckoning--the tercia (or "third"), being one-third of a vara, is equivalent to 11.128 English inches--the geometrical pace would be 55.64 English inches.

The length of the wall, accordingly, would be a little less than two English miles.
[54] Of this name Crawfurd says (_Dict.

Indian Islands_, p.