768 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station 196. 
Oroantsms from 
8cRFAC*-NbT&. 
Station 197. 
Fishes (Gunther, Zool. pt. 57). 
Gonostoma microdon, n.sp. For distribution see Station 23. 
In addition to the foregoing, the Station-book records two Hydroids. 
Excluding Protozoa, over 60 specimens of invertebrates and fishes were obtained 
at this Station, belonging to about 23 species, of which 15 are new to science, 
including representatives of 3 new genera ; 10 of the new species and 1 new genus 
were not obtained elsewhere. 
Surface Organisms. — The following are recorded in the note-books from the tow- 
nets on this date : — Peridinium in chains, a few large Diatoms, Globigerina, Radiolaria, 
Medusae, Diphyes and other Siphonophorte, Echinoderm larvae, many Sagittas, 
Pilidium, Saphirina and other Copepods, Hyperids, Lucifer, Atlanta, Pterotrachea, 
Pteropods and larva?, Cephalopod larvae, Appendicular ia, and very many small blue 
S<dpse. Phronima with two houses containing young ones came up in the trawl. 
Station 197 (Sounding 331), Amboina to Samboangan (see Chart 31 and 
Diagram 14). 
October 14, 1874 ; lat. 0° 41' N., long. 126° 37' E. 
Temperature of air at noon, 83° # 8 ; mean for the day, 79°*8. 
Temperature of water : — 
Surface 
82-5 
400 fathoms, 
430 
25 fathoms, . 
78-8 
500 „ 
40-7 
50 „ ... 
74 0 
600 
39-2 
75 „ 
68-5 
700 „ 
38-2 
100 
63 5 
800 „ 
37-7 
125 „ ... 
58‘5 
900 „ 
371 
150 „ ... 
54 0 
1000 
36-6 
200 „ ... 
500 
1100 „ 
360 
300 „ ... 
45-8 
Bottom, 
35-9 
Density at GO' F. at surface, 
1 -02523 
bottom, 1*02593. 
Depth, 1200 fathoms; deposit, Blue Mud. 
Crosht-d the equator during the night. At 5.15 a.m. observed land on starboard bow. 
Stopped and sounded in 1200 fathoms. Obtained serial temperatures down to 
1100 fathom-. Observed Ternate, Tidore, Maree, and Mortier Islands to east. At 
7.15 a.m completed observations and proceeded. At 3 p.m. altered course for the 
