MUSEUM OF COMPARATIVE ZOOLOGY, 107 
pores, surrounded by a rim of minute, ill-defined papillo ; 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, 
and 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. 
