REPORT ON THE OPHIUROIDEA. 287 



LIST OF OPHIURID^ AND ASTROPHYTID^ OF THE CHALLENGER 

 EXPEDITION ARRANGED BY STATIONS. 



Station 3.— February 18, 1873 ; lat. 25° 45' N., long. 20° 12' W. ; 1525 fathoms ; bottom 



temperature 2*2° C. 



Ophiacantha nodosa. 



Opliiomitra chdys. Also Stations 33 (var?) and 84. 



Station 23. — March 15, 1873; off Sombrero Island; 450 fathoms; globigerina ooze. 



Ophiopyren longispinus. Also Stations 24 and 33. 

 Op>hiozona (?) dubia. 

 Ophiomnsium serratum. 



validum. Also Station 24. 

 Ophiothamnus vicarius. 

 Ophiozona antillarum. 



Station 24.— March 25, 1873 ; off Culebra Island; 390 fathoms ; mud. 



Ophioglypha variabilis (young). Also Station 195. 



falcifera. 

 Ophiopyren longispinus. Also Stations 23 and 33. 

 Ophioscolex tropicus. 

 Opliiomitra dipsacos. 

 Ophiozona nivea. 



Ophiomusium validum. Also Station 23. 

 St. Thomas. 



Ophiocoma echinata. 



Ophiura cinerea. Also at Bahia. 



Station 33. — April 4, 1873; off Bermudas; 435 fathoms; mud. 



Ophiomusium cancellatum. Also Station 236. 

 Ophiopyren longispinus. Also Stations 23, 24. 

 Ophiacantha troscheli. 



Ophiomitra chelys (var?). Also Stations 3, 84. 

 AstroscJiema hrachiatum. 



Station 36. — April 23, 1873 ; off Bermudas ; 32 fathoms; mud. 



Ophiothrix angidata. Also off Bahia, Brazil. 



suensonii. 

 Ophiomyxa Jlaccida. Also off Bahia. 



