1258 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station 350. 
Temperature of water : — 
' 
Surface, . 
84-0 
110 fathoms, 
56-3 . 
10 fathoms, 
84-0 
120 „ 
55-7 
20 „ . . 
75-0 
130 
55-2 
30 
68-5 
140 
55-0 
40 „ . . 
64-8 
150 „ 
54-5 
50 „ . . 
62-2 
160 „ 
53-6 
60 „ . . 
60-3 
170 
52-5 
70 „ . . 
59-2 
180 
51-6 
80 „ . . 
58-3 
190 
50-7 
90 „ . . 
57-5 
200 „ 
50-0 
100 
56-7 
300 
45-0 
Density at 60° F. ; — 
Surface, . 
. 1 -02615 
100 fathoms, 
. 1-02619 
25 fathoms, 
. 1-02627 
110 
. 1-02627 
50 „ 
. 1-02627 
130 „ 
. 1-02580 
At 1.20 P.M. stopped and 
took serial temperatures down 
to 300 fathoms, about 
40 miles to the E.N.E. of Station 100, August 16, 1873. 
The carbonic acid was 
determined in surface water, and amounted to 33 ‘8 milligrammes per litre. At 3 p.m. 
proceeded. 
Cape Verde distant at noon. 
460 miles ; 
Sierra Leone, about 140 miles E.N.E. Made 
go<xl 129 miles. Amount of current 8 miles, direction N. 62° E. 
OlU:AXIHM.<i FROM 
ScRfACE-NETH. 
Surface Organisms. — The following species are recorded from the surface at this 
Station : — 
CoPKF*oi)A (Brady, Zool. pt. 23). 
Eucalomui attenuatus (Dana). 
„ setifjer, n.sj). 
Ilcterochxta sjnnifrons, Claus. 
Leiirkartia Jlai'icornis, Claus. 
Undiiia vulgaris, Dana. 
Scolecithrir dame (Lubbock). 
Euchiela ja'cstandrcse, Philippi. 
Candace pccthuita, Brady. 
Acartia laxa, Dana. 
Temorn dnhia (Lubbock). 
Olthomi challcmjerii, n.sp. 
Afiracia ejferata, Dana. 
Corycaeus varius, Dana. 
Oncaea ohtusa, Dana. 
Saphirina inaequalis, Dana. 
Pteropoda (Pelseneer, Zool. pt. 65). 
Cavolinia injlexa (Lcsueur), (young 
= Hyalasa depressa, d’Orbigny). 
Tunicata (Ilerdman, Zool. pt. 76). 
Doliolum denticulatiim, Quoy and 
Gaimard. 
