113K 
THE VOYAGE OF H.M.S. CHALLENGER. 
Statio.s 303 . 
Density at 60° F. : — 
Surface, . 
. 1 02504 
3Q0 fathoms, 
. 1-02535 
•J5 fathoni!«, 
. 1 02509 
400 „ 
. 1-02533 
.'iO „ 
. 1-02513 
850 ,, 
. 1-02557 
100 „ 
. 1-02517 
Bottom, . 
. 1-025G3 
Dopth, 1325 fathoms; deposit, Blue Mud, containing 2579 per cent, of 
earhonate of lime (see Murra)^ and Renard, Deep-Sea Deposits Chall. Exp.). 
At 2.20 I'.M. shortened and furled sails, and proceeded under steam. At 3.15 p.m. 
sounded in 1325 fathoms. Took serial temperatures down to the bottom. The carbonic 
acid was determined in water from the surface " and 100 fathoms, and amounted 
respectively to 48 ‘O and 50'4 milligrammes per litre. At 5.40 p.m. completed observations 
and made all plain sail. Diomedea exulans and stormy petrels were seen. 
Cape Gallegos disLint at noon, 146 miles ; Cape Tres Montes, 167 miles. Made good 
135 miles. Amount of current 4 miles, direction N. 19° E. 
The following species are recorded in error from this Station ; they probably came 
from Station 308 (see Station 308). 
Astekoidka (Sladen, Zool. pt. 51) 
Cteuodiscus procurator, n.sp 
Miimister cognatus, n.sp. 
Lophastcr stellans, n.sp. 
I’oLYZoA (Busk, Zool. pt. 30). 
MeuiiM'ii henemunita, n.sp. 
moM Surface Organisms. — The following species are recorded from the surface at this 
Menipea acideata (d’Orbigny). 
Bugula reticulata, n.sp. 
Carhasea ovoidea. Busk. 
Crihnlina monoceros (Busk). 
Cellepora eatonensis, n.sp. 
Hstkacoim (Brady, Zool. pt. 3). 
Ilalocyprin atlantica, Ijubl)ock. 
,, brevirostris, Dana. 
CoPEPODA (Brady, Zool. pt. 23). 
Eucalanus attenuatus (Dana). 
Onciea ohtusa (Dana). 
In addition, tin* following are recorded in the. note-books from the tow-nets at the 
surface and (lown to 30 fathoms ; — Beridiuvinii tripos, CrlohigeniLa, Oihuliua, 
Aciint hornet ra- and otln r Kndicjlaria, Sij)honoj)hora), Sagitta, Toinoptc'i'is, Ilyperids and 
other .\ niphip<sl.s, huphfiusui, Zoe<u, small ljamellibra.iichs. Heteropods, and 1 teropods. 
A few por|H>ises were seen. 
