THE VOYAGE OF H.M.S. CHALLENGER. 
KmcccMot. 
Oruammis from 
Scut \cb-Neth. 
8TATIOS 150. 
482 
Surface Organisms. — The following species are recorded from the surface : — 
Radiolaria (Haeckel, Zool. pt. 40). 
Lychnaspis cataplasta, Haeckel. 
Copkfoda (Brady, Zool. pt. 23). 
Dre panopus pcctijiatus, n.g., n.sp. 
/ V udoth nlestris irnbricata, n.g., n.sp. 
Zam spinatus, Goodsir. 
Machairopus idyoides, n.g., n.sp. 
Amphipoda (Stebbing, Zool. pt. 67). 
Halii Melon schneideri, n.sp. 
ZaramiUa kergueleni , n.g., n.sp. 
Atyloides amt rails (Miers), 
Euthemisto yaudichaudii (Guerin). 
Schizopoda (Sars, Zool. pt. 37). 
Thysanoessa macrura, n.sp. 
Lamellibranchiata (Smith, Zool. pt. 35). 
. Modiolarca trapezina (Lamarck). 
Pteropoda (Pelseneer, Zool. pt. 65). 
Limacina australis (Eydoux and 
Souleyet). 
1 > ddition, the following are recorded in the note-books: — Hydromedusse (Oceania), 
small Planarians, small Tomopterids, Peltidium, Calanids and other Copepods, 
(l imm n as and another Amphipod, small Isopod, Zoea> (probably of the Brachyurous 
crab inhabiting the pools) very small and having just left the eggs. On the 
float im: masses of Macrocystis were found Foraminifera, Hydroids, Holothurians, small 
biv iive shells. Patella and Polyzoa. Occasionally the tow-net was completely filled 
with various species of Diatoms, at other times with Amphipods ( Hyperia ) and 
numerous Copepods ; Pteropods ( Limacina ) were also at times very abundant. 
Station 150 (Sounding 254), between Kerguelen and Heard Islands (see 
Charts 18 .and 22). 
February 2, 1874 ; lat. 52 c 4' S., long. 71° 22' E. ■ ■ 
Temperature of air at noon, 41°'5, mean for the day, 41 0, 6. 
Temperature of water : — 
o o 
Surface, .... 37’5 100 fathoms, . . . 35‘2 
50 fathoms, . . 36 - 3 Bottom, . . . 35'2 
Density at 60° F. at surface, 1 ’025 1 5. 
Depth, 150 fathoms; deposit, Coarse Gravel, containing about 20 per cent, of 
r.irlronate of lime (sec Murray and Renard, Deep-Sea Deposits Chall. Exp.). 
A* 9.20 am shortened and furled sails, and got up steam to sound and dredge. 
Sou .d d in 150 fathom , an 1 obtained serial temperatures. Put dredge over. At 
