14 
THE VOYAGE OF H.M.S. CHALLENGER. 
I. The Surface Water of the North Atlantic — continued. 
Sarabrr 
of 
Suof-U . 
I 
2L 
III 
III 
£ 
Puoitlon. 
Depth In 
fathoms 
from 
which 
Sample 
was 
obtained. 
Temperature 
(Centigrade) 
of Water. 
Hydrometer. 
Specific Gravity. 
(Distilled Water at 4” C. = 1.) 
Latitude. 
Longi- 
tude. 
At the 
Depth 
D. 
During 
Observa- 
tion. 
Number 
of the 
Instru- 
ment. 
Reading 
Observed at 
t- C. 
Reduced to its Value at 
15"-5C C. 
T" C. 
I> 
T 
t 
R 
S ( 
8l5-50 
Sj> 
N. 
w. 
1878. 
o 
O 
/ 
O 
0 
99 
May 
5 
39 
50 
69 
14 
Surface. 
7-2 
111 
00 V . 
38 
1 02652 
1-02562 
1-02712 
1 100 
6 
46 
40 
17 
66 
48 
4-4 
6-1 
21 
1-02568 
1-02403 
1 -02586 
; 101 
9 I 
7 
47 
41 
14 
65 
45 
> 4 
5 5 
62 
I 1 
25 
1-02582 
1-02419 
1-02590 
*103 
20 
49 
43 
3 
63 
39 
47 
6 0 
16 
1-02520 
1-02354 
1 -02534 
*104 
21 
50 
42 
8 
63 
39 
7-2 
8'6 
25 
1-02582 
1-02451 
1 -02602 
107 
22 
51 
41 
19 
63 
12 
15-0 
151 
38-5 
1-02635 
1-02625 
1 02636 
}f lio 
23 
52 
39 
44 
63 
22 
19-5 
20-1 
34-5 
1-02601 
1-02714 
1-02619 
jt*l 16 
26 
53 
36 
30 
63 
40 
22-8 
23-9 
16 
1-02489 
1 -02708 
1-02520 
117 
27 
54 
34 
51 
63 
59 
21-4 
22-8 
22-5 
1 -02527 
1-02715 
1 -02537 
1 ns 
• • 
28 
65 
33 
20 
64 
37 
II 
21-4 
22-6 
91 
23 
1-02529 
1-02711 
1-02562 
•119 
June 
14 
59 
32 
54 
63 
22 
23 3 
25-4 
10 
1-02452 
1 02715 
1-02513 
121 
15 
33 
41 
61 
28 
22-8 
23-5 
17-5 
1-02498 
1 -02705 
1-06517 
*123 
16 
60 
34 
28 
58 
56 
21-9 
23-0 
20-5 
1-02516 
1-02709 
1 02546 
124 
17 
61 
34 
54 
56 
38 
21 7 
22-8 
21 
1 -02520 
1-02708 
1-02551 
ft * 126 
18 
62 
35 
7 
52 
32 
21 1 
22-5 
24 
1-02537 
1-02716 
1-02577 
*131 
• * 
19 
63 
35 
29 
50 
53 
217 
23 1 
22 
1-02524 
1 -02720 
1 02563 
132 
• 9 
21 
36 
22 
48 
37 
22-5 
232 
21-5 
1-02522 
1-02721 
1 -02543 
*134 
M 
22 
66 
37 
24 
44 
14 
21 1 
22-4 
24 
1 -02536 
1 02712 
1-02571 
| 136 
• • 
23 
37 
52 
42 
1 
21-1 
217 
24-5 
1-02542 
1-02699 
1 -02554 
»» 
24 
68 
38 
3 
39 
19 
21-1 
23 4 
15 
1-02483 
1 -02688 
1-02548 
143 
• • 
25 
69 
38 
23 
37 
21 
217 
23 2 
20 
1-02513 
1-02712 
1 -02555 
144 
• I 
26 
70 
• 38 
25 
35 
50 
21-1 
22-1 
24-5 
1-02540 
1-02708 
1-02568 
! *145 
• 1 
27 
71 
38 
18 
34 
48 
ft 
21-7 
22-4 
21 
1-02520 
1 -02696 
1-02537 
147 
t • 
28 
72 
38 
34 
32 
47 
1 1 
217 
22-6 
24 
1-02536 
1-02718 
1-02561 
148 
00 
29 
37 
47 
31 
2 
21 1 
21-8 
24 
1-02539 
1-02699 
1 -02559 
fl 51 
July 
3 
76 
38 
11 
27 
9 
21 1 
21-4 
26 
1-02550 
1-02699 
1 -02559 
1 •* 1 
M 
4 
37 
47 
26 
9 
91 
20-8 
215 
II 
23 
1 -02534 
1 -02686 
1 -02555 
t *155 
f • 
12 
80 
35 
3 
21 
25 
217 
22 2 
24 
1 -02535 
1-02706 
1 -02549 
158 
M 
13 
81 
34 
11 
19 
52 
1 1 
21 7 
227 
22 
1 -02525 
1-02710 
1 02556 
*159 
• 9 
14 
62 
33 
46 
19 
17 
f * 
21-5 
21-8 
27 
1-02555 
1-02715 
1 -02565 
*161 
99 
15 
63 
33 
13 
18 
13 
91 
217 
21 7 
II 
32-5 
1 -02585 
1-02742 
1-02585 
163 
9 9 
18 
84 
30 
38 
18 
5 
»» 
21 7 
22 ’0 
29 
1-02564 
1.02729 
1 -02574 
164 
99 
19 
85 
28 
42 
18 
6 
1 1 
207 
22-0 
30 
1-02570 
1-02735 
1 -02608 
166 
99 
20 
27 
0 
19 
38 
If 
22-2 
22 8 
29 
1 02563 
1-02751 
1-02583 
167 
99 
21 
87 
25 
49 
20 
12 
1 1 
22-2 
23 2 
26-5 
1-02548 
1-02747 
1-02582 
♦*169 
99 
22 
88 
23 
58 
21 
18 
*» 
22 2 
23 8 
25-5 
1 -02539 
1 -02755 
1 -02592 
m 
99 
23 
89 
22 
18 
22 
2 
It 
23 0 
24-1 
17 
1-02494 
1 02719 
1 02532 
t * 172 
99 
24 
90 
20 
58 
22 
57 
It 
23-3 
23 9 
12-5 
1 -02469 
1 -02688 
1 -02490 
179 
99 
25 
... 
19 
11 
24 
7 
91 
23-6 
23 9 
16-5 
1-02491 
1-02710 
1 -02500 
IMS 
99 
25 
19 
0 
24 
8 
11 
28 '6 
24 2 
13 
1 -02478 
1-02706 
1 02503 
J 1 196 
• 9 
26 
92 
17 
54 
24 
41 
It 
28-7 
24 6 
11 
1 -02460 
1 -02699 
1 -02493 
190 
99 
27 
... 
17 
10 
24 
55 
It 
23 9 
25 1 
91 
8 
1-02442 
1 -02696 
1 -02483 
191 
Auk . 
6 
15 
43 
24 
15 
f I 
25 5 
261 
5 
1-02422 
1 -02706 
1-02444 
| 192 
99 
10 
... 
13 
58 
23 
5 
99 
26 
267 
00 1 V . 
94 
1 02377 
1 -02680 
1 -02394 
1 194 
90 
11 
... 
12 
30 
22 
38 
II 
26 2 
26-6 
89 
1 02351 
1 -02651 
1 -02366 
200 
99 
12 
11 
59 
21 
12 
9* 
26 1 
26-5 
84-5 
1 -02326 
1 -02622 
1 02340 
ft *201 
99 
13 
97 
10 
25 
20 
30 
9 I 
25 5 
26-2 
84 -5 
1 02326 
1-02610 
1 -02346 
2W 
09 
14 
98 
9 
21 
18 
28 
If 
25 6 
26 5 
82 
1 02312 
1 -02605 
1 -02339 
90 
16 
8 
13 
17 
30 
.. 26 '6 
25 9 
84 
1 02325 
1 -02600 
1 02333 
‘M 
09 
16 
... 
7 
7 
16 
11 
.. 257 
26-8 
84-5 
1 02325 
1 02612 
1 -02328 
SI S 
99 
17 
... 
6 
41 
16 
42 
• 9 
26 i 
20 2 
87 
1 -02340 
1 -02627 
102343 
Sli 
90 
18 
6 
15 
16 
6 
II 
25-9 
26 3 
88-5 
102347 
1 02637 
1 02360 
SI& 
99 
19 
101 
5 
48 
14 
20 
M 
26 2 
26-5 
87 
1 -02339 
1 -02635 
1 -02348 
214 
09 
20 
4 
31 
13 
52 
26 1 
26 4 
85 
1 02328 
1 -02621 
1 02337 
t Hi 
90 
21 
102 
3 
8 
14 
49 
: 
25 5 
25 8 
91 
82 5 
102317 
1 02589 
1 02324 
Verde I. to St. Paul's Rocks. Madeira to C. Verde 1. Azores to Bermuda to the Azores. Halifax to New York 
Madeira. Bermuda. to Halifax. 
