CONTENTS 
Page. 
TRELEASE, SAM F. The relation of salt proportions 
and concentrations to the growth of young wheat plants 
in nutrient solutions containing a chloride :. ... 527 
MERRILL, ELMER D. A new genus of Myrsinaceae 
from the Philippines... 605 
FISHER, WILLARD J.- Low-sun phenomena in Luzon. 
III. Marine sunsets and the duration of sunset on Ma- 
nila Bay and the China Sea.... ....:. 607 
COCKERELL, T. D. A. Malayan bees. 615 
FAUST, ERNEST CARROLL. Notes on trematodes 
from the Philippines 627 
LEE, H. ATHERTON. Black spot of citrus fruits caused 
by Phoma citricarpa McAlpine .1.. ................. 635 
The Philippine Journal of Science is issued twelve times a 
year. The sections were discontinued with the completion of 
Volume XIII (1918). 
Yearly subscription, beginning with Volume XIV. 5 dollars 
United States currency. Siiigle numbers, 50 cents each. 
Publications sent in exchange for the Philippine Journal of 
Science should be addressed: Library, Bureau of Science/Manila, 
P. I. 
Subscriptions may be sent to the Business Manager, Phil- 
ippine Journal of Science, Bureau of Science, Manila, P. I., or 
to any of the agents listed on the third page of this cover. 
Entered at the post office at Manila, P. X., as second-class matter. 
