6 70 THE VOYAGE OF H.M.S. CHALLENGER 



Station 233a. North of Awadji Sima. May 19, 1875. Lat. 34° 38' O'^N., long. 135° 

 1' 0" E. Depth 50 fathoms. Sand. Surface temperature 62° - 6 Fahr. 



Astropecten japonicus. Also at Stations 233, 233b; and off Yoko- 

 hama, Japan. 

 Asterias versicolor. Also at Station 233. 



Station 233b. In the Bingo Nada. May 26, 1875. Lat. 34° 18' 0" N., long. 133° 

 35' 0" E. Depth 15 fathoms. Blue mud. Surface temperature G6°-3 Fahr. 

 Astropecten japonicus. Also at Stations 233,233a; and off Yoko- 

 hama, Japan. 



Station 235. Off Japan, south of Omae saki. June 4, 1875. Lat. 34° 7' 0" N., 

 long. 138° 0' 0" E. Depth 565 fathoms. Green mud. Bottom temperature 

 38°-l Fahr. ; surface temperature 73°'0 Fahr. 



Pararchaster semisquamatus. Also at Station 237. 

 Hymenaster glaucus. 



Station 237. Off the coast of Japan, south of Kawatsu. June 17, 1875. Lat. 34° 37' 

 0" N., long. 140° 32' 0" E. Depth 1875 fathoms. Blue mud. Bottom 

 temperature 35°"3 Fahr. ; surface temperature 73 o- Fahr. 



Pararchaster semisquamatus. Also at Station 235. 



Porcellanaster tuherosus. 



Hyphalaster inermis. 



Psilaster gracilis. 



Brisinga armillata. 



Freyella pennata. 



Station 244. In the Mid-North Pacific, between Yeddo and San Francisco, near the 

 meridian of 170° E. June 28, 1875. Lat. 35° 22' 0" N., long. 169° 53' 0" E. 

 Depth 2900 fathoms. Bed clay. Bottom temperature 35° -.3 Fahr. ; surface 

 temperature 70° "5 Fahr. 



Hymenaster infernalis. 



Benthaster wyville-thomsoni. 



Freyella heroina. 



Station 246. In the Mid-North Pacific, between Yeddo and San Francisco, near the 

 meridian of 180°. July 2, 1875. Lat. 36° 10' 0" N., long. 178° 0' 0" E. 

 Depth 2050 fathoms. Globigerina ooze. Bottom temperature 35°'l Fahr. ; 

 surface temperature 73 o- Fahr. 

 Dytaster spinosus. 





