332- THE OCEAN. 
water, preventing the capsizing of the proa in that 
direction; while the weight of the apparatus, called 
an outrigger, prevents the same accident on the 
other. A mast rises perpendicularly from the wind- 
ward edge of the proa, fastened to the heel of the 
outrigger; a bamboo yard is slung near the mast: 
Proas or THE LADRONES. 
head, so that its foot shall come into the boat in 
a diagonal direction near the head, there being a 
socket at each end to receive the foot of the yard, 
according as the proa is on either tack. The sail 
attached is made of matting, and is triangular, the 
lower side being fastened to a boom running hori- 
zontally from the foot of the yard over the stern. 
When it is intended to alter the course by going 
upon another tack, the foot of the yard is lifted 
from the one socket, carried round to leeward, and 
