406 
Statiox 153. 
THE VOYAGE OF H.M.S. CHALLENGER. 
Temperature 1 of water : — 
Surface, 
50 fathoms, 
• 
: 1 
29-5 
290 
29-0 
100 „ 
• 
• 1 
' 29-0 
29-0 
200 „ 
• < 
i 30-5 
l 30-5 
300 fathoms, 
( 32-0 
( 32 0 
500 „ 
• 
f 32-8 
1 32-8 
Bottom, 
■ 
f 33 0 
1 33-0 
Density at 60" F. at surface, 1 '0241 3 ; bottom, 1*02567. 
Depth, 1675 fathoms; deposit, Blue Mud, containing 3*50 percent, of carbonate 
of lime, and many rocks and pebbles (see Murray and Renard, Deep-Sea 
Deposits Chall. Exp.). 
At 4 a.m. passed icebergs. At 5 a.m. fifteen icebergs in sight. At 6 a.m. observed 
open pack ice to S.E. Got up steam to sound and dredge. At 6.30 a.m. shortened and 
furled sail, and proceeded under steam. At 7 a.m. sounded in 1675 fathoms. Numerous 
icebergs anti pack ice in sight to E. and S.E. At 10 a.m. put dredge over. At 11 a.m. 
t "»k a series of temperatures at 50, 100, 200, 300, and 500 fathoms. At noon, numerous 
iceberg'! and pack ice in sight to E. and S. The carbonic acid was determined in bottom 
water, and amounted to 82*9 milligrammes per litre. Weather fine; quantity of wash ice 
about the ship. At 1.15 p.m. commenced heaving in dredge, which came up at 3.15 p.m. 
with several pecimens. At 3.30 p.m. made sail. At 4 p.m. pack ice extending from 
S. to E. At 6 p.m. 47 icebergs in sight. Pack ice to S.E.; apparently open sea to S.W. 
O’ erved , ■c.veral whales during the day, also Cape pigeons, snow-birds, black and white 
petrels, and penguins. ' 
Distance at noon from Termination Land, 420 miles ; from South Pole, 1458 miles. 
M li good 64 miles. Amount of current 3 miles, direction S. 18‘ W. 
Amimaui mo m 
Dudol 
The following species are recorded in the Zoological Reports from the dredge at this 
Station : — 
\i.< YOHARIA (Wright and Studer, Zool. pt. 64). 
Callozost ran mirdbilis, n.g., n.sp. One specimen ; obtained at no other locality. 
Only species of the genus. 
Actimaria (Hcrtwig, ZooL pt. 73). 
Actinian, genus and species indeterminable. 
1 Actual readings of the thermometers. 
