! 
850 THE 
VOYAGE OF H.M.S. CHALLENGER. 
Station 217. 
Density at 60° F. : — 
• 
Surface, . 
. 1-02518 
100 fathoms, 
. 1-02644 
10 fathoms, 
. 1 02561 
200 
. 1-02637 
15 „ 
. 1-02562 
300 
. 1-02565 
20 „ 
. 1-02565 
400 „ 
. 1-02564 
40 „ 
. 1-02578 
Bottom, 
. 1-02595 
50 „ 
. 1-02618 
Depth, 2000 fathoms ; 
deposit. Blue Mud, containing 12 ’75 
per cent, of carbonate 
of lime (sec Murray and Renard, Deep-Sea Deposits Chalk Exp.). 
At 6 A.M. stopped and sounded in 2000 fathoms. Obtained serial temperatures down 
to 1500 fathoms. At 11 a.m. completed temperatures and proceeded S.E. During the 
forenoon pa.ssed large quantities of driftwood ; early in the morning the patent log 
fouled the driftwood and the log-line parted. The sea seemed to be teeming with 
fish ; observed whales, dolphins, &c. Lowered boat for surface collecting; Moseley 
returned with numerous seeds of plants gathered on the edge of the tidal current, 
and two specimens of Phalaropus hyperhoreus. 
Distance at noon from Caille Point, Humboldt Bay, New Guinea, 164 miles. Made 
good 53 miles. Amount of current 15 miles, direction S. 42° W. 
OlU.AXIBJIS FROM 
Surface-Nets. 
Surface Organisms. — The following species are recorded from the surface iij the 
vicinity of this Station ; — 
Radiolaria (Haeckel, Zool. pt. 40). 
Buccinosphiera tuhana, Haeckel. 
Psilomelissa (jalcata, Haeckel. 
Scthoconus trochus, Haeckel. 
Dictyomitra macilcnta, Haeckel. 
(JiRRiPKDiA (Iloek, Zool. pt. 25). 
Lrpaa anserifera, Linne. 
Brachyura (Miers, Zool. pt. 49). — From 
driftwood., 
Varttna Utterata (Fabricius). 
Playrmui immacuhita, T.,amarck. 
Cephalopoda (Hoyle, Zool. pt. 44). 
Spirilla per onii, Lamarck. Dead shell. 
Fishes (Gunther, Zool. pt. 78). — From 
driftwood. 
Pimelepterus waigiensis, Quoy and 
Gaimard. 
Seriolichthys hip>innulatus, Quoy and 
Gaimard. 
P senes cyanophrys, C.V. 
Balistes sp. (?), 
/ 
A 
V 
I 
A 
«i 
A 
In addition, the following arc recorded in the note-books: — Noctiluca, a few 
(ilohigeinnw, Ctcnophorae [Enchans), Sagitta, young Tomopitci'is, Sabellid larvm, 
Dendrocojlous Planarians, with digitiform processes, and larvae, Ilyperia, Oxycephalus, 
