Note 452 — PRIMO VIAGGIO INTORNO AL MONDO (continued 4)

Albo (Navarrete, iv, p. 223) calls these two islands Sibuco and Virano Batolaque, the first of which Mosto (p. 91, note 3) conjectures to be Sibago, and the second (note 4), part of the southern portion of Mindanao. The first conjecture is probably correct if we take Albo’s word that the two ships turned to the southeast after passing the island Sibuco; and the fact that the main west coast east of Zamboanga is remarkably free of islands, lends color to the second.