MONOGRAPH OF THE EXISTING CEINOIDS. 



33 



/#v ^1^^ '\ 



' '""HfD.lsTv'l «--°°-'^- 52. SAM., V.NT«.. V,.W "^^. f^^^^^^^^roVvKPrK.A, .ATK.AI, V.EW O. 

 rT.H.X, V.KW OK r..O,..S AX. --■'---:, ^ .w OF -mAL r^.TACON. 56. CO.OBOM.THA mS- 

 «inHIS AND CENTKODOKS.At-. OO. SAME. >ENTI1AI. > __ vENTBAL VIEW OF RADIAL PENTAGON. aS. 



Xn lat;°alviewukbadialsandce™orsal. O, SAM^^^^^^^^^^ ^g g^^^^ ^.^,,,,,, , 



CEXTaODOBSAL. 0.5- BAMt, "■■ 



VIEW OP RADIALS AND CBNTRODORSAI-. 



