THE VOYAGE OF H.M.S. CHALLENGER. 
FKr.XA.viif* 
Noronha. 
Statioxh 113b 
TO 115. 
Hritw* 1 16 . 
346 
Polyplaoophora (Haddon, Zool. pt. 43). 
I. <oh nochiton boogii, n.n. One specimen ; obtained at no other locality by the 
Challenger. Recorded from Plata Island, West Columbia (?). 
Fishes (Gunther, Zool. pt. 6). 
Hum Ion ch'ysargyreum, Gunther. Obtained at no other locality by the Challenger. 
In addition to the foregoing, the following are recorded in the Station-book : — 
I logout >nn covered with Polyzoa, Squilla, Pagurus, and Nudibranch. 
Excluding Protozoa, about 55 species were taken at Fernando Noronha, of which 9 
are new to science, including representatives of 2 new genera ; 5 of the new species 
were not obtained elsewhere. 
Willemoes-Suhm remarks regarding these dredgings by Thomson and Murray in 
.'hallow water around Fernando Noronha, that the zoological material obtained was so 
scanty as not to allow any general conclusions to be drawn. 
Stations 113b to 115 (Soundings 190 to 193), off Fernando Noronha (see 
Chart 14 and Diagram 4). 
September 3, 1873. 
Temperature of air at noon, 75° ‘3 ; mean for the day, 76 °T. 
Temperature of water at surface, 78 o, 0. 
At 8 a.m. got up steam. At 9.30 a.m. weighed anchor and proceeded westward 
i. i c am, sounding. Set fore and aft sails. At 10.20 a.m. discontinued sounding, 
unai •]■• to see marks on shore owing to rain. At 11.40 a.m. sounded in 400 fathoms, 
Hurl Ground (Station 113b). At 1.20 p.m. stopped and sounded, about 6b miles from 
-hop-, in 525 fathoms, Hard Ground (Station 113c). At 3 p.m. stopped and sounded, 
13 miles S.W. of Fernando Noronha, in 820 fathoms, Hard Ground (Station 114). 
A 4.40 p.m. stopped and sounded, about 20 miles S.W. of Fernando Noronha, in 
~15'> deposit, Globigerina Ooze, containing 79'30 per cent, of carbonate of lime 
< Station 115). At 6.15 p.m. made all plain sail. 
Station 116 (Sounding 194), Fernando Noronha to Pernambuco (see Chart 12 
and Diagram 4). 
September 4, 1873 ; lat. 5" V S., long. 33° 50' W. 
IVmp nature of air at noon, 75 '3 ; mean for the day, 76° 0. 
