TO ASSIST WORK ON THE TIDES. 941 
Fig. 9.—L, Process. 
(After removal of A, and its conjugate.) 
: $19. Results of analyses.—For the constituents M,, S,, N., K,, L, the results of 
_ analyses of the residues are as follows; each constituent is expressed in the form 
Ros (st—e). 
M, S, N, K, Ts, 
R 060 ‘055 166 ‘100 ‘027 
: € 297° 87° 251° 87° 68° 
The full list of constituents removed from the record for 1918 is now given: the 
results for the five constituents given above have been combined with the first 
_ approximations given in § 10. 
S, R, T, | ede ley | Ma | Ma |, 28M) | 4% 
R | 1868 | 020 | -110 | -502 | -273 
€ | 178-312 | 200° | 174-00° 320-419 255-35° 
047 | 5636 | -100 | -190 
52002 210-28° '323-00° |110-00° 
N, My 2N 8, P, K, 0, Q 
: R 1-094 182 130 010 ‘O71 202 182 062 
: € | 338°78° | 319-00° | 132-00° | 155-00° | 118-00° | 89-00° 78-00° 177:00° 
There has also been removed the quarter-diurnal tide represented by theifactor 
0225 and phase shift 96° applied to the quarter-diural portion of the square of 
the semi-diurnal tide. 
