Note 9 — EARLY FRANCISCAN MISSIONS
Reading edition
The class of serpents called in Tagálog olopong (Trimeresurus erythrurus—Cant.?) are called aguason in the Visayas. They resemble the vipers and are very poisonous. There are a number of different species. See Delgado’s Historia, pp. 896, 897. See also Official Handbook of the Philippines (Manila, 1903), pp. 149, 150.