OBSERVATIONS 



ON THE 



CHARACTERS OF THE ECHINOIDEA. 



Part III. 

 ON SOME 



GENERA AND SPECIES 



OF THE 



TEMNOPLEURIDM. 



/ 



y 



BY 



F. JEFFREY BELL, M.A., F.Z.S., 



I'UUFESSOK Ul" COMrAUATlVE ANATOMY IN KINCi's COLIiEOE 



............ ^. ,j, , 



IVOV, 20 1f'^ 



c ^< 



\ 



[^From the Proceedings of the Zoological Society of 

 London, June 1, 1880.] 



[I] 



