SUMMARY OF RESULTS, 
1099 
Density at 60° F. at surface, 1‘02533 ; 1850 fathoms, 1'02534; bottom, 1’02546. 
Depth, 2300 fathoms ; deposit, Eed Clay. 
At 9.20 A.M. shortened and furled sails, and proceeded under steam. At 10 a.m. 
sounded in 2300 fathoms. Took serial temperatures down to 1500 fathoms. At 
1.40 P.M. completed observations and made sail. The following birds were noticed : — 
Diomedea exulans, some white, some mottled brown, and some black, Diomedea 
melano'phrys (?), mutton birds (GEstrelata lessoni), Procellaria capensis, Prion turtur, a 
small black bird about the size of the Cape pigeon, and a larger black bird ; mutton birds 
were the most numerous. 
Valparaiso distant at noon, 2563 miles. Made good 157 miles. Amount of current 
11 miles, direction N. 
Surface Organisms. — The following species of Radiolaria are recorded from the surface 
at this Station : — 
Radiolaria (Haeckel, Zool. pt, 40). 
Siphonosphsera chonophora, Haeckel. Tetrapyle transversa, Haeckel, 
Amphymenium monstrosum, Haeckel. Stauraspis xiphacantka, Haeckel. 
In addition, the following are recorded in the note-books : — Small Foraminifera, 
Medusae [Pelagia), Sagitta, Cypridina, Saphirina and other Copepods, Hyperids and 
other Amphipods, Euphausia, larvae of Sergestes, Doliolum, &c. 
Station 291 (Sounding 436), Tahiti to Valparaiso (see Chart 38 and Diagram 20). 
October 27, 1875 ; lat. 39° 13' S., long. 118° 49' W. 
Temperature of air at noon, 56°‘3 ; mean for the day, 52°'6. 
Temperature of water : — 
Surface, . 
25 fathoms. 
50 
75 
100 
125 
150 
175 
200 
225 
250 
275 
300 
J5 
35 
53-0 
52-1 
50-8 
49-5 
47-7 
46-1 
45-4 
44-9 
44-4 
44-0 
43-6 
43-3 
42-9 
400 fathoms, 
500 „ 
600 „ 
700 „ 
800 „ 
900 „ 
1000 „ 
1100 „ 
1200 „ 
1300 „ 
1400 „ 
1500 „ 
Bottom, 
41-4 
40-1 
39-2 
38-3 
37-5 
36-8 
36-2 
35-9 
35-8 
35-7 
35-5 
35-4 
34-6 
Station 290. 
Organisms from 
Surface Nets, 
Station 291. 
