ON THE PERIODS AND NODES OF LOCHS EARN AND TREIG. 
§ 30. Sourn TrinovE or Treic (South of Deepest Normal Point). 
T,=3°587; c’=3°8294. 
Coetticients of L/(3°8294, z). 
Bt / c B 
Ne ee rene ) loe B, | log 2 
és n(n + 1) sae n(n +1) ve 7 
1 log |c’ = 58313 58313 58313 
2 9147 196128 04441 | °24338 
3| 3618 T'55847 ‘10288 | 1-62576 
4 6809 1-83308 193596 1°33390 
5 "8085 1:90768 1°84364 114467 
6 $724 194072 1:78436 100621 
7 9088 1:95847 1:74283 | 2°89773 
8 9316 96923 171206 | 2:80897 
Value of L/(3°8294, °3085). 
B, wit o M, Ie 
n log = log z log T,, st = 
0 1:00000 
1 58313 | 1:48926 07239 118138 | 
2| 24338 297852 1:22190 *16669 | 
3 | 1:62576 | 246778 | 2-09354 01240 
4 | 1°33390 3°95704 3°29094 "00195 
5 | 1:14467 3°44630 4:59097 00039 
6 | 1:00621 | 4:93556 | 5:94177 00009 
1 | 2897738 4-42482 532255 00002 
8 | 2°80897 591408 | 6:72305 00000(5) 
Series error <‘000008 1:18154 1:18138 
Hence L'(3°8294, -3085) = + 00016. 
Calculating in like manner, we get the following table :— 
Hence 
2 Se lus(cz) Diff. 
*3085 | + 00016 | -00130 
°3090 | — 00114 | :00125 
3095 | — 00239 
3%, = 3086. 
+3828. 
Boia 
3¥,= 9°367 x 774,400 sq. 
gi, = 12°2 x 346°5 ft. 
TRANS. ROY. SOC. EDIN., VOL. XLI. PART III. (NO. 32). 
124 
847 
