REPORT ON THE MONAXONIDA. 247 



Station 208. January 17, 1875 ; lat. 11° 37' 0" N.,long. 123° 31' 0" E. ; Philippine 

 Islands; depth, 18 fathoms ; bottom, blue mud. 



Petrosia variabilis. 

 Petrosia similis, var. compact a. 

 Petrosia truncata. 

 Pachychalina fragilis. 

 Pachychalina melior. 

 Pachychalina fibrosa, var. 

 Chalina rectangularis. 



Gellius varius. 

 Esperella parishii. 

 Rhaphidophlus filifer. 

 Hymeniacidon (f ) subacerata. 

 Thrinacophora cervicornis. 

 Spirastrella decumbens. 

 Spirastrella solida. 



Station 209. January 22, 1875 ; lat. 10° 14' 0" N., long. 123° 54' 0" E. ; Philippine 

 Islands; depth, 95 fathoms; bottom, blue mud; bottom temperature, 7l°"0. 



Reniera cinerea. 



Suberites ramulosus, var. cylin- 

 drifera. 



Station 214. February 10, 1875 ; lat. 4° 33' 0" N., long. 127° 6' 0" E. ; east of 

 Meangis Island, south of Philippine Islands ; depth, 500 fathoms ; bottom, blue 

 mud ; bottom temperature, 41°'8. 



Esperiopsis challengeri, var. meangensis. 



Station 216a. February 16, 1875 ; lat. 2° 56' 0" N., long. 134° 11' 0" K; north of 

 New Guinea ; depth, 2000 fathoms ; bottom, Globigerina ooze ; bottom tem- 

 perature, 35°*4. 



Chondrocladia crinita. 



Japan. 



Halichondria panicea. | Myxilla rosacea, var. japonica. 



Station 241. June 23, 1875 ; lat. 35° 41' 0" N., long. 157° 42' 0" K; North Pacific 

 Ocean ; depth, 2300 fathoms ; bottom, red clay ; bottom temperature, 35 "1. 



Axinella profunda. 



Station 246. July 2, 1875 ; lat. 36° 10' 0" N., long. 178° 0' 0" E.; North Pacific Ocean ; 

 depth, 2050 fathoms; bottom, Globigerina ooze; bottom temperature, 35°'l. 



Suberites senilis. 



Station 248. July 5, 1875 ; lat. 37° 41' 0" N., long. 177° 4' 0" W.; North Pacific 

 Ocean; depth, 2900 fathoms ; bottom, red clay; bottom temperature, 35 '1. 



Chondrocladia concrescens (f). 



