900 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station 
StATU'N 
•2.j8. lan-ftj of Chirodotn, Smjitta, Aphroditacean and other Annelid larvae, 'C 2 /pnc?ma, 'Setella, 
Euphausia, Si'rgestes, small Lamellibranchs and other Molluscs, Atlanta, Pteropods, 
Appendiculana, and Dolioluni. One specimen of Pulvinulina menardii was observed 
with a large floating apparatus extended and with much yellow sarcodic matter outside 
the shell. A good many larvm of Chirodota, Aphroditacean and other Annelid larvae, 
and small Lamellibranchs and other larval shells were observed, all of Avhich had not 
lK?en noticed at the surface for some weeks. 
259. Station 259 (Sounding 401), Yokohama to Sandwich Islands (see Chart 36 and 
Diagram 19). 
July 26, 1875 ; hit. 23“ 3' N., long. 156“ 6' W. 
Temperature of air at noon, 80“'0 ; mean for the day, 76“'4. 
Temperature of water : — 
j. uiv « 
•Surface, 
77-0 
400 fathoms. 
40-5 
25 fathoms, 
75-6 
500 
39-3 
50 
72-7 
600 „ 
38-6 
75 
69-5 
700 „ 
37-9 
100 
}7 • 
64-5 
800 „ 
37-4 
125 
59-2 
900 
36-9 
150 
n 
55 0 
1000 
36-5 
175 
f> 
51*5 
1100 
36-2 
200 
n 
48-8 
1200 
35-9 
225 
46-5 
1300 „ 
35-6 
250 
>? 
45-0 
1400 
35-3 
275 
>» 
43-8 
1500 „ 
35-0 
.300 
♦» * 
42-9 
Bottom, 
34-9 
Density at 60“ F. ; — 
Surface, . 
. 1-02574 
300 fathoms, 
. 1-02529 
25 
fathoms, 
. 1-025.50 
400 „ 
. 1-02529 
50 
»» • 
. 1-02571 
800 „ 
. 1-02523 
100 
ft 
, 1-02572 
2150 „ 
. 1-02550 
2fK) 
. 1-02527 
Bottom, 
. 1-02577 
Depth, 2225 fathoms ; deposit, Red Clay, containing only a trace of carbonate of 
lime (see Murniy and Renard, Deeji-Sea Deposits Chalk Exp.). 
At 4.30 A.M. furled sails and }>rocccdcd under steam to sound. At 5 a.m. sounded 
in 2225 fathoms. Obtained serial temperatures down to 1500 fathoms. At 1 p.m. 
complete*! temjM-niturcs ami proceeded. Roatswain birds, turnstoncs, other small birds 
like turustoncs, and a large pctrel-likc bird were seen about the ship. 
