MUSEUM OF COMPARATIVE ZOOLOGY. 107 



pores, surrounded by a rim of minute, ill-defined papillae ; the tentacles of the 

 second and third under arm-plates issue in like manner from smaller pores ; 

 beyond this the small tentacle issues near the. base of the under arm-spine, 

 aud is covered, except at base of arm, by a very small, spine-like scale. The 

 skin of the disk and base of arms is thick, and obscures the finer lines. Color 

 in alcohol, gray. 



Station 156, 1975 fathoms, 5 specimens. 



