R. PHCENIX. — SPICULATION. 277 



looked, and the rosette taken for an oxyhexaster, unless a high 

 power be used in examination. 



Nobody lias given the measurement of the onychaster from 

 Atlantic specimens. However, by computation from the scale of 

 the figures given by Schulze and. Topsent, the diameter should 

 be G4-90/^, a range of variation well agreeing with that in the 

 ' Albatross ' specimen. 



