404 
THE VOYAGE OF H.M.S. CHALLENGER 
Static* 139 . 
Temperature of water : — 
Surface, 
10 fathoms, 
20 „ 
30 „ 
40 „ 
50 „ 
CO „ 
70 „ 
80 „ 
90 „ 
100 „ 
150 „ 
200 „ 
56-2 
250 fathoms, . 
44-0 
561 
300 „ 
41-0 
56-0 
350 „ 
39-0 
55 0 
400 „ 
38 0 
529 
450 „ 
37-6 
52-3 
500 „ 
37-5 
521 
700 „ 
37-2 
52-0 
900 „ 
370 
51-8 
1100 „ 
36-8 
51-6 
1300 „ 
366 
51-5 
1500 „ 
36-4 
47-3 
45-8 
Bottom, 
34-1 
Den.-ity at 60 r F. at surface, 1*02C14; bottom, 1*02582. 
Depth, 2325 fathoms ; deposit, Globigerina Ooze, containing 47‘15 per cent, of 
carbonate of lime (see Murray and Kenard, Deep-Sea Deposits Cha.ll. Exp.). 
A -trong breeze from S.W. and a heavy sea during the night. At 8.20 a.m. brought 
-Fiji ’<» wind on starboard tack, and got up steam. At 11 a.m. shortened and furled 
~ i Is, and proceeded under steam to sound. At noon sounded in 2325 fathoms. 
\t 1 p.m. obtained serial temperatures down to 1500 fathoms. At 3.45 p.m. completed 
t- inperatures, and made all plain sail. At 9 p.m. got up steam, and at 9.40 p.m. 
proceeded under steam, the wind having sunk to nearly a calm. 
Distance at noon from Capo of Good Hope, 100 miles. Made good 218 miles. 
Vmount of current 25 miles, direction N. 18° E. 
* HO Station 140 (Sounding 230), Tristan da Cuuha to Cape of Good Hope (see 
Chart 16 and Diagram 6). 
October 28, 1873 ; lat. 35° O' 8., long. 17° 57' E. 
Temjx rature of air at noon, 58 c *8 ; mean for the day, 5 7°*6. 
Temj>erature of water : — 
Kurfare, . 
59 0 
10 fathom*, 
58-7 
20 „ 
58-4 
so „ 
581 
40 „ 
56-9 
w » 
54*6 
60 fathoms, 
70 „ 
80 „ 
90 „ 
100 „ 
53-3 
53 0 
53 0 
53 0 
530 
