Contents 
v 
Page. 
Sison, A. G. Certain cardiac reflex symptoms due to disturbances 
of remote organs - 409 
Sison, A. G. Clinical observation on experimental starvation in 
human beings 415 
Reviews 421 
No. 5, November, 1920 
[Issued February 16, 1921.] 
Merrill, Elmer D. Studies on Philippine Rubiaceae, IV 425 
Fisher, Willard J. Low-sun phenomena in Luzon, II. Zenith ob- 
servations of dawn, Baguio, 1920 487 
Oshima, Masamitsu. Philippine termites collected by R. C. Mc- 
Gregor, with descriptions of one new genus and nine new species.. 489 
Four plates. 
Chilton, Chas. The occurrence in the Philippine Islands of the 
fresh-water amphipod Paracalliope fluviatilis (G. M. Thomson).. 513 
Chilton, Chas. Niphargus philippensis, a new species of amphipod 
from the underground waters of the Philippine Islands 515 
Three plates. 
Review - 525 
No. 6, December, 1920 
[Issued April 20, 1921.] 
Trelease, Sam F. The relation of salt proportions and concentra- 
tions to the growth of young wheat plants in nutrient solutions 
containing a chloride 527 
Twelve text figures. 
Merrill, Elmer D. A new genus of Myrsinaceae from the Philip- 
pines 605 
Fisher, Willard J. Low-sun phenomena in Luzon, III. Marine 
sunsets and the duration of sunset on Manila Bay and the China 
Sea 607 
Cockerell, T. D. A. Malayan bees 615 
Faust, Ernest Carroll. Notes on trematodes from the Philippines.. 627 
One plate. 
Lee, H. Atherton. Black spot of citrus fruits caused by Phoma 
citricarpa McAlpine 635 
Four plates. 
Errata 645 
Index 647 
