970 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station *248. 
Stylosphiera nana, Haeckel. 
Myelastrum spinale, Haeckel. 
Cenocapsa nirvana, Haeckel. 
Ilexacolpus dodecodns, Haeckel. 
Arachnocorys arachnodiscus, Haeckel. 
Sethoconns trochus, Haeckel. 
„ anthocyrtis, Haeckel. 
Thcocampe cryptoprora, Haeckel. 
Aulacantha spinosa, Haeckel. 
Auioceros furcosus, Haeckel. 
Challengeria hromleyi, Haeckel. 
Castanissa hoylei, Haeckel. 
Conchidium rhynchonella, Haeckel. 
CiRRiPEDiA (Hoek, Zool. pt. 25). 
Lepas fascicularis, Ellis and Solander. 
On the balls of Lepas fasciculans were found Nudibranchs, Aphroditacean Annelids, 
and Ilalohates. In addition, the following are recorded from the tow-nets : — Diatoms, 
Peridinium tnpos, Coccospheres, Rhabdospheres, Infusorians, Medusse, Ctenophorse, 
Cirriped larvae, Euphausia, larval Gasteropods, Pteropods, Salpa, Appendicularia. 
Station 249. 
Station 249 (Sounding 391), Yokohama to Sandwich Islands (see Chart 36 and 
Diagram 18). 
July 7, 1875 ; lat. 37° 59' N., long. 171° 48' W. 
Temperature of air at noon, 66°*3 ; mean for the day, 65°*0. 
Temperature of water : — 
Surface, . . . 65'2 
25 fathoms, . . . 57*2 
50 54-8 
75 „ ... 53’3 
100 52-3 
125 „ ... 51-6 
150 „ ... 511 
175 „ ... 49-8 
•200 „ ... 480 
225 „ ... 46-4 
2.50 „ ... 450 
‘275 „ ... 43-7 
300 „ ... 42-7 
400 fathom.s, . . . 40 •! 
500 „ ... 38-5 
600 „ ... 37-7 
700 „ ... 37-0 
800 „ ... 36-5 
900 „ ... 36-2 
1000 „ ... 35-9 
1100 „ ... 35-6 
1200 35-3 
1300 35-2 
1400 „ ... 35-2 
1500 „ . . . 35-2 
Bottom, .... 35'2 
Iieiifeity at 60° F. at surface, 1*02540; bottom, 1*02542. 
Depth, 3000 fathoms ; deposit, Red Clay, containing only a trace of carbonate of 
lime (see Murray and Renard, Deep-Sea Deposits Chalk Exp.). 
Strong westerly breeze and heavy sea. At 8 a.m. got up steam. At 9.30 a.m. 
shortened and furled sails and proceeded under steam to sound. At 11 a.m. sounded in 
3000 futhoma Only a small sample of deposit was obtained, adhering to the sounding- 
