Trip to the Batanes and Mt. Mayon, May 19 to June 7, 1907. 
In the Batanes group we landed on Batan, at Santo Domingo de Baaco. 
We also tried to land at I^bayat• 
The Batanes Ids. "are situated between the 128° 56' 30" East longitude, 
San Fernando Meridian, and between the 19 P 57* 50" and 20° 28' 30" North latl- 
tude. They are at 110 miles distance from the Babuyanea islands, 56 from the 
island of Formosa and 176 from the north coast of the island of Luzon. 
"Dry or hot season is from May to August, and the coldest season from 
November to December and January." 
"Batan Island is miles long. N. 35° E. and S. 36 W., and 1 to 3 miles 
broad." 
"Mount Irada, apparently an old volcano, in its northern part, is 3,806 feet 
above the sea, and thickly covered with treesj the rest of the island is mountain, 
ous. There is a high pinnaole rock about half a mile northeastward of the 
island. 
"Batan Island is about 200 kilometers long from North to South and about 
4 kilometers wide from east to West." 
"To the North of Batan Island at a distance of about 20 miles, is the most 
important island of th. group oallod Ubayat which is also the most fertile and 
half again aslarge as Batan. 
"At 12:45 o’clock P. M., the Island of Fuoa was passed. Latitude 18 de- 
grees, 60* N.. Longitude 127 degrees, 29’ E. This island rises about 400 
feet above tide water, and is hilly and mountainous in character. It is 
approximately ten miles lcqpg and 2 miles wide. 
