St a tins 162. 
Station 163. 
Statios 163a. 
.->46 
THE VOYAGE OF H.M.S. CHALLENGER. 
Ptkropoda (Pelseneer, Zool. pt. 65). 
Cm'olinia yibbosa (Rang). 
Cleodora compressa , Souleyet 
[ = young of Cavolinia 
trispinosa]. 
Tunicata (Herdman, Zool. pt. 76). 
Doliolum denticulatum , Quoy and 
Gaimard. 
Sal pa democratica - mucronata, 
Forsk&hl. 
In addition, the following are recorded in the note-books : — Beroe, Hyperia, 
I iphausia, Megalopa stage of crab, and small fish. Two fur-seals were seen swimming 
about the ship. 
Willemoes-Suhm writes : “ On the surface we found a great many EuphoMsise 
Megalopa) of a Brachyurous crab, many small chain-bearing Salpx, and fine rose-coloured 
specimens of a Beroe." 
Station 163 (Sounding 267), Melbourne to Sydney (see Chart 25). 
April 4, 1874 ; lat. 36° 57' S., long. 150° 34' E. 
Temperature of air at noon, 67°’3 ; mean for the day, 65 °*3. 
Temperature of water : — 
Surface, . 
• 
720 
200 fathoms, . 
51-4 
50 fathoms, 
65-2 
250 „ . . 
49‘2 
100 „ 
• 
59-3 
300 „ 
47-6 
150 „ 
• 
54-9 
Bottom, 
34-5 
Density at 60° F. at surface, 1 ‘02652; bottom, 1 ‘02601. 
Depth, 2200 fathoms; deposit, Globigerina Ooze, containing 61*77 per cent, of 
carbonate of lime (see Murray and Renard, Deep-Sea Deposits Chalk Exp.). 
At 6.30 a.m. shortened and furled sails, and got up steam to sound and trawl. At 
0 a.m. sounded in 2200 fathoms. Obtained serial temperatures at intervals of 50 fathoms 
down to 300 fathoms. At 11 a.m. completed temperature observations, and proceeded 
under steam W. by N. towards the land. 
Station 163 a. 
At 1.30 p. M. stopped and sounded in 150 fathoms, deposit Green Mud (?). Put over 
trawl. At 2 r.M. hove up trawl and proceeded. At 2.30 p.m. stopped and put trawl 
• ver again. At 3.45 p.m. hove up trawl. The two trawlings were very successful, the 
