MUSEUM OF COMPARATIVE ZOOLOGY. 229 



Ophiomushim serratum. Thirteen stations. 124-1097 fathoms. 



Ophiomastus secundus. Thirteen stations. 60-1131 fathoms. 



Ophiopyren longispiiius. Eighteen stations. 60-625 fathoms. 



Ophioconis miliaria. Up to 163 fathoms. 



Ophiochoeta mixta. Down to 572 fathoms. 



Ophiactis Miilleri var. quinqueradia. 27-338 fathoms. 



Amphiura duplicata, like UphiLKjbjplm variabilis and Ophiomusium acufe- 

 rum, is plentiful, and is found over a great range of depth. Thirty-four 

 stations. 



Amphiura Otteri. There is some question about the distinction of those 

 species that stand near the old A. Cliinjei. I believe, however, that 

 Ljungman's species was found by the "Blake" from 41° 32' 50" N. to 

 the island of Grenada on the south, and from 175 to 576 fathoms. 



Amphiura tumida. Up to 94 fathoms. 



Amphiura lunaris. Up to 424 fathoms. 



Amphiura cuneata. 159-370 fathoms. 



Amphiura Stimpsoni. Down to 69 fathoms. 



Ophionereis reticulata. Down to 94 fathoms. 



Ophioplax Ljungmani. Eleven stations. Down to 175 fathoms. 



Ophiostigma isacanthum. Down to 122 fathoms. 



Ophiacantha bideutata. From as far south as 33° 27' 20" N. 



Ophiacantha hirsuta. Twelve stations. 82-955 fathoms. 



Ophiacantha sertata. Ten stations. 150-411 fathoms. 



Ophiacantha vepratica. Seven stations. Up to 291 fathoms. 



Ophiacantha scutata. Nine stations. 124-338 fathoms. 



Ophiacantha echiaulata. Up to 303 fathoms. 



Ophiacantha pentacrinus. Twenty-four stations. Down to 625 fathoms. 



Ophiacantha stellata. Twelve stations. 56-262 fathoms. 



Ophiacantha aspera. Twelve stations. 73-262 fathoms. 



Ophiomitra valida. Twenty-four stations. Do\vn to 1105 fathoms. An- 

 other abundant species, of great range in depth. 



Ophiocamax hystrix. Fifteen stations. 114-300 fathoms. 



Ophiothamnus vicarius. Six stations. Down to 611 fathoms. 



Ophiothrix Suensonii. Twenty-one stations. Down to 262 fathoms. 



Ophiothrix angulata. Fourteen stations. Down to 262 fathoms. 



Ophioscolex tropicus. 103-502 fathoms. 



Ophiomyces mirabilis. Down to 422 fathoms. 



Ophiomyces frutectosus. Down to 288 fathoms. 



Ophiochondrus convolutus. Eleven stations. Up to 88 fathoms. 



Sigsbeia murrhina. Twenty-one stations. 



Gorgonoceplialus mucronatus. Down to 288 fiithoms. 



Astrogomphus vallatus. 114-337 fathoms. 



Astroporpa annulata. Sixteen stations. Down to 163 fathoms. 



Astrochele Lymani. Down to 980 fathoms. 



Astroschema arenosum. Eight stations. Up to 120 fathoms. 



