348 
EEY. S. HATIGHTON ON THE TIDES OF THE 
Table IV. — Minimum apparent Diurnal Solitidal Interval at Port Kennedy in July 1859. 
1 High Water. 
Half-Ebb. 
Low Water. 
Half-Flood. 
Apparent Solitidal 
Interval reduced 
to High-Water 
Phase. 
d h m 
d h m 
d 
h 
m 
d h m 
h 
m 
s 
9 
12 
0 
0 
0 
0 
9 18 30 
0 
30 
0 
10 6 48 
0 
48 
0 
110 0 
0 
0 
0 
24 18 8 
0 
8 
0 

25 6 30 
0 
30 
0 
25 
13 
0 

0 
1 
0 
26 1 0 

0 
1 
o ; 
Mean ... 
0 
29 
30 
This Table corresponds with the Maximum effect of the Lunar Tide ; and the age of 
Lunar Diurnal Tide may be found by comparing the results of this Table with the 
times of Maximum of Moon’s Declination. 
The Moon’s Declination attained its Maximum value twice, viz. 
d h m o , ,i 
July 8 10 0 ^=27 43 33 S. 
„ 22 23 0 [*,= 27 43 21 N. 
From the first time of Minimum Solitidal Interval in Table IV. we have 
d h m 
9 12 0 
9 18 30 
10 6 48 
11 0 0 
Mean= 10 3 19£ 
^=Max. 8 10 0 
Age of Lunar Diurnal Tide ... 1 17 19^ 
From the second time of Minimum Solitidal Interval we have 
24 18 8 
25 6 30 
25 13 0 
26 1 0 
Mean= 25 9 39^ 
Max. 22 23 0 
Age of Lunar Diurnal Tide . . . . 2 10 39^ 
The Mean Age of Lunar Diurnal Tide is therefore 
+ 1 6 37 
-0 14 38 
+ 1 17 19i 
+2 10 39-i- 
Mean = 1 4 14-J- 
