ILLUSTRATIONS. 
EXPLANATION OF THE PLATES. 
Plate XXXII. A tree of Dipterocarpus vernicifluus, (panao) , showing the form 
of the hole and crown. Bataan Province, Luzon. 
XXXIII. Interior view of a dipterocarp forest on a delta plain in Mindoro 
showing scattered large trees. 
XXXIV. Interior view of a dipterocarp forest in Masbate. The trees are 
all one species, Parashorea plicata, {bagtican lauan) . 
XXXV. Outside view of a dipterocarp forest in Negros, on the lower 
slopes of Mount Silay. This forest will yield over 30,000 feet 
per acre, board measure, clear lumber, and consists of an 
almost pure stand of apitong and lauan. 
XXXVI. Interior view of a dipterocarp forest on the lower slopes of 
Mount Silay, Negros. The trees are red lauan and almon, 
species of Shorea. 
XXXVII. Interior view of a dipterocarp forest on the slopes of Mount 
Silay, Negros. The trees are tanguile, almon, and red lauan, 
all closely related species of Sliorea. 
XXXVIII. Interior view of a dipterocarp forest on the lower slopes of Mount 
Silay, Negros. The trees are red lauan and almon, species of 
Sliorea. 
725 
