THE VOYAGE OF H.M.S. CHALLENGER. 
250 
8tati<>x «2. 
Temperature of water : — 
Surface, . 
700 
700 fathoms, 
400 
100 fathoms, 
03-4 
800 „ 
39-2 
200 „ . . 
62-5 
900 „ 
38-9 
300 „ . 
58-2 
1000 „ 
38-6 
400 „ 
51-5 
1100 „ 
38-3 
500 „ 
. 45 2 
1200 „ 
38-0 
000 „ 
41-4 
Bottom, 
36-4 
Density at 60° F. : — 
Surface, . 
. 1-02716 
500 fathoms, 
. 1-02607 
150 fathoms, 
250 „ 
. 1-02708 
. 1-02687 
Bottom, 
• 
. 1-02709 
Depth, 2875 fathoms; deposit, Red Clay, containing 1072 per cent, of carbonate 
of lime (see Murray and Renard, Deep-Sea Deposits Chall. Exp.). 
At i.30 r.M. shortened and furled sails, and got up steam to sound. At 2.30 p.m. 
'"loided in 2875 fathoms. At 4 p.m. obtained serial temperatures at intervals of 100 
o on - down to 1200 fathoms. Sent down water-bottle, and obtained specimens of 
w no f rom : 50, 250, and 500 fathoms. At 6 P.M. completed observations, aiid made all 
plain sail. 
Dist ance from Fayal at noon, 1175 miles. Made good 187 miles. Amount of current 
9 miles, direction S. 27° E. 
Station 63 (Sounding 127), Bermuda to Azores (see Chart 6 and Diagram 3). 
June 19, 1873 ; lat. 35 29' N., long. 50° 53' AV. 
Temperature of air at noon, 70 o, 8 ; mean for the day, 70°’G. 
Temperature of water at surface, 71“ 0. 
Density at 60" F. at surface, 1 02720; bottom, 1/02613. 
Depth. 2750 fathoms; deposit, Globigerina Ooze, containing 3393 per cent, of 
i-.i bonate of lime (see Murray and Renard, Deep-Sea Deposits Chall. Exp.). 
\t 10 vm. put over small trawl and veered 3700 fathoms. At noon, shortened and 
• ; l !-*, and proceeded under steam to sound. At 1 p.m. sounded in 2750 fathoms. 
A 15 p.m. '-•immeDccd heaving in trawl, which came up at 7 p.m. containing several 
• i a i* a-. In the evening the water was brilliantly phosphorescent, and the tow-net 
. - put out *« veral times. At 7.30 P.M. made all plain sail. 
D an «i:i Fayal at noon, 1077 miles. Made good 99 miles. Amount of current 
3 miles, direction N. 39 E. 
