THE VOYAGE OF H.M.S. CHALLENGER. 
Station 63. 
Organisms from 
Si ri- ace Nets. 
S' tatkjn 64. 
252 
i mhI in great depths, which I have hitherto been unable to get out of the tube in a 
satisfactory way.” 
Surface Organisms. — The following species are recorded from the surface near this 
Station (June 18, 19) : — 
Amphipoda (Stebbing, Zool. pt. 07). 
Phrvsina semilunata, Risso. 
Schizopoda (Sars, Zool. pt. 37). 
Euphausia pellucida, Dana. 
Siriclla thompsoni (M. -Edwards). 
Macruka (Spence Bate, Zool. pt. 52). 
Sirgestes atlanticus, M. -Edwards. 
Hippolyte bidentatus, n.sp. 
Pelagic Hemiptera (White, Zool. pt. 19). 
llalobates wiillerstorffi, Frauenfeld. 
Pteropoda (Pelseneer, Zool. pt. 65). 
Clio ( Creseis ) acicula (Rang). 
,, pyramidata, Linne. 
Cuvierina columnellu (Rang), 
Cavolinia trispinosa (Lesueur). 
vl night large quantities of luminous animals were observed in the water, and being 
i. arly calm great numbers were caught in the tow-net, which was hauled in four times 
during the night. There were large specimens of Alciopa 5 dcm. in length and 6 mm. 
in breadth, Tornopteris, Sayitta, Cypris-like larva of a Cirriped, many Ampkipods, 
• specially Plironima and Hyperia, the Euphausidse which have often been caught in 
great quantities, Lucifer , llalobates, many specimens of Atlanta, Cleodora [ = Clio j. 
Styliola, and Cuvierina. 
Station 64 (Sounding 128), Bermuda to Azores (see Chart 6). 
June 20, 1873 ; lut. 35° 35' N., long. 50° 27' W. 
Temperature of air at noon, 73°'8 ; mean for the day, 72°'0. 
Temperature of water : — 
Surface, . 
100 fathom v 
200 
!» 
75-0 
63-2 
62 5 
300 fathoms, 
400 
500 
yy 
58-8 
52-5 
4G-0 
Depth, 2700 fathoms; deposit, Globigcrina Ooze, containing 35‘00 per cent, of 
carbonate of lime (see Murray and Renard, Deep-Sea Deposits Chall. Exp.). 
At 9 a.m. put dredge over, the principal object being to get a good sample of the 
“■ m, mih o the trawl had i:i the last two hauls brought up some singular concretionary 
mpg ;■■ whi' h In ban acles were sometimes attached. The dredge used was a small one 
■:h two weights of 50 lbs. each a couple of fathoms behind. Dingy away with 
