The southern portion of Bohol is very hilly, but the northern portion is more level.
The language is Bohol-Visayan.
Each of the larger islands between Luzon and Mindanao, except Samar and Bohol, is traversed longitudinally by a single mountain range with occasional spurs.
The zoological position of Bohol has not been satisfactorily determined, but all existing evidence indicates that it must be grouped with Samar and Leyte.
Then sailing south he touched at Mindanao, from which he sailed north-west, past Bohol to Cebu.
Galeopithecus and Tarsius range from Basilan to Samar; the former occurs also in Bohol.