SUMMARY OF RESULTS. 
347 
Temperature of water : — 
Surface, . 
100 fathoms, 
200 
300 
400 
500 
600 
TOO 
800 
>> 
5 ) 
>> 
78-0 
54-5 
45-4 
41-9 
40-0 
39-3 
39-0 
38-7 
38-5 
900 fathoms, 
1000 
1200 
1300 
1400 
1500 
57 
Bottom, 
38-3 
38T 
379 
37-7 
37-5 
37-2 
37-0 
34-3 
Density at 60° F. at surface, 1 ’02628 ; bottom, 1*02609. 
Depth, 2275 fathoms; deposit, Globigerina Ooze, containing 65*04 per cent, of 
carbonate of lime (see Murray and Renard, Deep-Sea Deposits Chall. Exp.), 
At 9.20 a.m. shortened and furled sails, and got up steam to sound. Sounded 
in 2275 fathoms, obtained serial temperatures at intervals of 100 fathoms down to 
1500 fathoms, and sample of bottom water for analysis. At 1,10 p.m. completed 
observations, and at 1.40 p.m. made all plain sail. 
Distance at noon from Cape St. Roque, 90 miles; from Pernambuco, 192 miles; 
from Bahia, 556 miles. Made good 107 miles. Amount of current 30 miles, direction 
N. 75° W. 
Diatomace^e. — The following three species of Diatoms were observed by Mr. Comber 
in the deposit from this Station : — 
Hemidiscus cundformis, Wallich. 
Costinodiscus radiatus, Ehrenberg. 
„ nodulifer, Janisch. 
Stations 117 and 117a (Soundings 195 arid 196), Fernando Noronha to 
Pernambuco (see Chart 1 2). 
September 6, 1873 ; iat. 5 ° 56 ' S., long. 34 u 45' W. 
Temperature of air at noon, 77°*8 ; mean for the day, 76°*7. 
Temperature of water at surface, 78° *0. 
Density at 60° F. at surface, 1*02673. 
Depth, 1375 fathoms ; [deposit, Globigerina Ooze, containing 56*59 per cent, of 
carbonate of lime (see Murray and Renard, Deep-Sea Deposits Chall. Exp.). 
Station 116. 
Organisms from: 
the Deposit. 
Stations 117 
AND 117a. 
At 10 a.m. got up steam, and at 11.30 a.m. shortened and furled square sails. At noon, 
proceeded under steam and fore and aft sails. Descried South American shore from 
