MONOGRAPH OF THE EXISTING CKINOIDS. 



63 



CIRRAL3 



TRANSITION SEGMENT 



TBRMINAL CLAW 



\ RADICULAR CIRRI 



BASAL SEGMENTS 



SYZYQY 

 SYNARTHRY 



PERISOMB 



FlQ.6. 



COVEBINQ PLATE5 

 SIDC PLATE3 



peauoMlc PLATEj 



PINNULAR5 



Fio. 



Fig. 8. 



..Kw OF THE BOOT OF . ^^^^^^^ ^l""^'^:;^,:: ^^::i:::^::^:iio. or . Ar.. ^r..... ... rBo« .. spec. 



PLATC-O (ADAPTED FROM P. 11. CAEPENTER). 



