REPORT ON THE COMPOSITION OP OCEAN-WATER. 
57 
and from the mean of these the specific gravity at 8° C. was taken to be 1025’452. I 
thus formed 13 groups from series I. and II., which, with the four experiments of series 
III., gave 17 couples of values. These, after having been duly “weighted,” were used 
for forming the equations. The results are summarised in the following Table II. 
Table II. 
Experiments to determine the dependence of Specific Gravity on Salinity and 
Temperature ; i.e., the function S —f(t, y). 
I. 
Group. 
II. 
t. 
III. 
* 
IV. 
Dr 
(calculated). 
V. 
D (found). 
VI. 
D-Dc. 
VII. 
Sc 
(calculated). 
VIII. 
S (found). 
IX. 
S-Sc. 
X 
W /. 
I. 
30 
20-489 
1-35062 
1-3498 
- -0008 
1023-438 
1023-421 
-•017 
995'765 
II. 
25 
20-522 
1-36071 
1-3629 
+ -0022 
1025-044 
1025-090 
+ •046 
997-120 
III. 
20 
20-554 
1-37407 
1-3747 
+ -0006 
1026-502 
1026-515 
+ •013 
998-259 
IV. 
15 
20-524 
1-39065 
1-3904 
- -0002 
1027-702 
1027-696 
- -006 
999-160 
V. 
7 
20-493 
1-42396 
1-4231 
- -0009 
1029-115 
1029-096 
-•019 
999-933 
VI. 
0 
20-493 
1-45993 
1-4593 
- -0006 
1029-790 
1029-777 
- -013 
999-871 
VII. 
29 
17-984 
1-35238 
1-3513 
-•0011 
1020-372 
1020-353 
-•019 
996-051 
VIII. 
22 
18-003 
1-36833 
1-3701 
+ •0018 
1022-460 
1022-493 
+ •033 
997-826 
IX. 
16 
18-013 
1-38708 
1-3872 
+ -oooi 
1023-988 
1023-990 
-+■ *0u2 
999-002 
X. 
13 
18-023 
1-39821 
1-3978 
- -0004 
1024-631 
1024-623 
-■008 
999-430 
XI. 
8 
18-023 
1-41935 
1-4185 
- -0008 
1025-467 
1025-452 
-•015 
999-886 
XII. 
6 
18-023 
1-42871 
1-4287 
0 
1025-719 
1025-719 
•000 
999-970 
XIII. 
0 
18-023 
1-45993 
1-4619 
+ -0020 
1026-184 
1026-218 
+ -034 
999-871 
(34) 
19-7 
20-345 
1-37496 
1-3748 
- -0002 
1026-294 
1026-290 
-•001 
998-320 
(35) 
19-7 
19-290 
1-37496 
1-3744 
- -0006 
1024-843 
1024-832 
-•Oil 
998-320 
(36) 
19-7 
18-322 
1-37496 
1-3745 
- -0005 
1023-512 
1023-503 
- -009 
998-320 
(37) 
19-7 
17-322 
1-37496 
1-3743 
- -0007 
1022-137 
1022-125 
-•012 
998-320 
1 
r — 
± -00070 
r = 
± -0135 
Column I. names the group of experiments, or [under (34), (35), (36), (37)] the one 
experiment utilised. 
Column II. gives the temperature. 
Column III., the value y adopted. 
Column IV., the value D calculated as D c . 
Column V., the value D found as D. 
(PHYS. CHEM. CHAI.L. EXP. — PART I. 1884.) § 
