50 MR. K. TERAZAWA ON PERIODIC DISTURBANCE OF LEVEL, ETC. 
If we suppose the place of the observation to be nearly at the edge of the loaded 
area, then 
yfr= 5'0 x 10 -8 = 0 //# 01, 
<p = 14M +10- 8 = 0"‘03, 
and 
V^ + 0 = 0 // '04, 
amounting to more than the direct lunar effect itself, notwithstanding that the load 
falls off towards the coast. 
