332 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 19 



Echinodermata from Lasuen sea mount and Sixmile bank (continued) 



1 2 3 H 5 I 

 Brissopsis pacif ica .........+--• 



brissopsids ............+-■ 



ophiuroid .............+ 



echinoid ..............+ 



Allocentrotus fragilis ........... 



Amphiura seminuda ............ 



Astrophiura marionae ............ 



Luidiastsr californicus ........... 



Ophiacantha bairdi ............ 



Ophiacantha diplasia ..... 



Ophiocynodus corynetes ........... 



Ophiopholis bakeri ............ 



Mollusca from Lasuen sea mount (1-5) and Sixmile bank (6) 



showing order of occurrence i 

 Glycimeris subobsoleta 

 Parvilucina tenuisculpta 

 Tellina carpenteri 

 Cadulus tolmiei 

 Lepidopleurus nexus 

 Limifossor sp. 

 Saxicava arctica . 

 Cardita sp. . 

 Nuculana conceptionis 



Nuculana hamata 

 Solamen columbianum 

 solenogasters 

 Dacrydium sp. 

 Nitidella permodesta 

 Saxicavella pacif ica 



n 68 to 360 f ms . 



