1146 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station S06a. 
Oboani.hms prom 
Si*BPACR-Nn>. 
Station 307. 
Fishks (Giinthcr, Zool, pts. 6 and 57). 
SelKtstes ocuhitus, C.V. Several specimens ; obtained also at Station 307, 
147 fathoms. , 
Xototheyiia longipes, Steindachner. Obtained also at Stations 312 and 313, 10 to 
55 fathoms. 
Lotella marginata, n.sp. One specimen ; obtained also at Stations 305, 307, and 308. 
Cata'tgx m€ssie7'i, n.g., n.sp. One specimen ; obtained at no other locality. Only 
species of the genus. 
In addition to the foregoing, the following are recorded in the Station-book : — Small 
.Vctinian attached to Corals, two small Urchins, Sipunculid, and a Lamellibranch. 
Elxcluding Protozoa, nearly 100 specimens of invertebrates and fishes were obtained 
at this Station, belonging to about 19 species, of which 11 are new to science, including 
representatives of 2 new genera ; 4 of the new species and 1 new genus were not 
obtained elsewhere. 
Surface Organisms. — The tow-nets procured many Diatoms, Peridinium tripos. 
Annelid lars’as, Copepods, Cirriped larvse, Amphipods, larval Lamellibranchs (young 
mussels), and Ajjpendicularia, but on the whole the tow-nets yielded very few organisms. 
Station 307 (Sounding 455), Gulf of Penas to Sandy Point through Magellan' 
Strait (.see Chart 41). 
January 4, 187G; lat. 49” 
24' 30" S., 
long. 74” 23' 30" \V. 
O 
Temperature of air at noon 
, Gl”‘8 ; mean for the day, 56”’2. 
Temj>erature of water at surface, 53°‘0. 
Density at 60” F. : — 
Surface, 
1-01508 
16 fathoms, 
1-02385 
2\ fathoniH, 
1-00926 
25 „ 
1-02405 
•5 
1-01870 
.50 „ 
1-024.50 
"... 
1-01928 
100 „ 
1-02469 
10 
1 -02266 
Bottom, 
1 -02465 
Dejith, 140 fathoms; deposit. Blue Mud, containing only a trace of carbonate of 
lime (sec Murray and Rcnard, Deep-Sea Deposits Chall. Exp.). 
.\t 4.20 A.M. the steam pinnace left the ship with exploring party. At 10.30 a.m. 
weighed anchor and proceeded out of Gray’s Harbour for the English Narrow.s. At 
