316 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station 95. 
Organisms from 
Surface. 
Station 96. 
Oroaniams from 
bVBFACB-Nrrs. 
Distance at noon from St. Paul’s Rocks, 870 miles. Made good 62 miles. Amount 
of current 7 miles, direction S. 27° W. 
Surface Organisms . — Pyrosoma abounded at the surface, as well as small Copepods. 
Station 96. St. Vincent to St. Paul’s Rocks (see Chart 12). 
August 11, 1873 ; lat. 12° 15' N., long. 22° 28' W. 
Temperature of air at noon, 7 7 0, 8 ; mean for the day, 77°'l. 
Temperature of water : — 
Surface, , 
78-7 
175 fathoms, 
49-8 
10 fathoms, 
70-5 
200 „ 
49-1 
20 „ . 
. 62-8 
250 „ 
47-5 
25 . . 
60-2 
300 „ 
45-9 
50 „ . 
54-2 
350 „ . • . 
44-4 
75 „ . 
53-0 
400 „ 
42-9 
100 „ . . 
52-2 
450 „ 
41-4 
125 
51-4 
500 „ 
39-9 
150 „ 
50-6 
Density at 60° F. : — 
Surface, , . 
. 1-02651 
100 fathoms, , 
. 1-02627 
25 fathoms, 
. 1-02655 
200 „ . . 
. 1-02610 
50 „ . . 
. 1-02630 
300 „ 
. 1-02606 
At 9.15 a.m. shortened and furled sails, and got up steam in three boilers. At 
10.10 a.m. proceeded under steam. At 4.5 p.m. stopped to obtain a series of tempera- 
tures and specimens of water. At 5.40 p.m. made sail. After nightfall there was a 
magnificent display of phosphorescence, principally in the wake of the Challenger, caused 
1'}' the pros' nee of innumerable specimens of Pyrosoma, several of which were caught in 
a net, and when brought on deck continued to display a bright bluish light when touched 
by the fingers. 
Distance at noon from St. Paul’s Rocks, 801 miles. Made good 92 miles. Amount of 
current 16 miles, direction S. 37° W. 
Surface Organisms. — Moseley writes: “At night the sea was full of specimens of 
Pyrosoma about 4 to 5 inches long. These are the cause of the large spots of 
persistent bluish light which I have so often watched going by the ship, and which 
* • >nt r.i st so strikingly with the momentary scintillations of the minute Crustacea, or 
