952 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station ‘242. 
Organisms from 
Surface-Nets. 
Station 243. 
At 3.10 p.M. shorteuccl aud furled sails, and got up steam. At 4 p.m. sounded in 
2575 fathoms. Obtained serial temperatures down to 1500 fathoms. At 6.30 p.m. 
completed temperatures and made sail to a good southerly breeze. 
Distance at noon from Honolulu, 2311 miles. Made good 173 miles. Amount of 
current 13 miles, direction N. 25° E. 
Surface Organisms. — The following species are recorded from the surface at this 
Station : — 
Pteropoda (Pelseneer, Zool. pt. 58). Tunicata (Herdman, Zool. pt. 76). 
Notohranclisea inopinata, n.sp. Doliolum challengeri, n.sp. 
In addition, the following are recorded in the note-books from the surface and dow n 
to 60 fathoms : — Pyrocystis, Peridinium tripos, Glohigerina, Orhulina, Collosphsera, 
one specimen of Challengeria and other Eadiolaria, Sagitta, Cypridina, Saphirina and 
other CoiDepods, Hyperids, Phronimids, Euphausia, small Ethella-YikQ shells, and Pteropods 
Station 243 (Sounding 385), Yokohama to Sandwich Islands (see Chart 36 and 
Diagram 17). 
June 26, 1875 ; lat. 35° 24' N., long. 166° 35' E. 
Temperature of air at noon, 73°‘8 ; mean for the day, 72°‘8. 
Temperature of water : — 
Surface, 
71-0 
300 fathoms, 
450 
10 fatlioms, 
70-3 
400 „ 
40‘5 
20 „ . . 
65 ‘6 
500 
391 
.30 „ . . 
63-9 
600 
38‘1 
.^)0 „ 
60-4 
700 
37‘2 
75 „ . . 
59-3 
800 
36-6 
100 „ 
58-3 
900 
36-1 
12.5 „ 
57-2 
1000 • „ 
35-9 
1.50 
.56-2 
1100 
35-8 
175 
!55‘1 
1200 „ 
35‘7 
200 „ . . 
53-5 
1300 „ 
35-5 
225 „ 
.52 0 
1400 
35-4 
250 „ 
496 
1500 
35-3 
275 „ 
47-2 
Bottom, 
35 0 
Den.sity at 60° F. : — 
Surface, . 
. 1-02502 
200 fathoms, . 
. 1 ‘02552 
50 fathoms, . 
. 1 ‘02570 
300 „ 
. 1-02525 
100 ,. . . 
. 1 025.59 
400 „ 
. 1-02542 
Depth, 2800 fathoms ; deposit, Red Clay. 
