MONOGRAPH OF THE EXISTING CRINOIDS. 



63 



CIRRAL5 



TRANSITION SEQA1ENT 



TERMINAL CLAW 



BASAL SEGMENTS 



RADICULAR CIRRI 





FIG. 4. 



SYZYOY 

 SYNARTHRY 



PER1SOME 



FlQ. 6. 



COVERING PLATES 

 54 DE PLATES 



PeltlfOMIC PLATE3 

 PINNULAR5 



FIG. 7. 



FIG. 8. 



FIGS. -1-8. 1, LATERAL VIEW OF A DORSAL CIRRUS FROM A SPECIMEN OF PARAMETRA ORION FROM SOUTHERN JAPAN. 5, LATERAL 



VIEW OF THE ROOT OF A SPECIMEN OF BATHYCRINUS PACIF1CU3 FROM SOUTHERN JAPAN, SHOWING STUMPS OF RADICULAB 

 CIRRI ( DRAWING BY THE AUTHOR). 6, THE OUTER SIDE OF THE PROXIMAL PORTION OF A FREE UNDIVIDED ARM FROM A SPECI- 

 MEN OF STEPHANOMETRA MONACANTHA FROM FIJI. 7, PORTION OF A DISTAL PINNULE FROM A SPECIMEN OF POSCILOMETRA 



ACCELA FROM NEAR THE llEANGIS ISLANDS (ADAPTED FROM P. 11. CARPENTER). 8, GENITAL (OR MIDDLE) PINNULES FROM 

 A SPECIMEN OF PCECILOMETRA ACCELA FROM NEAR THE MEANGIS ISLANDS, SHOWING THE EXPANSION AND THE VENTRAL 

 PLATING (ADAPTED FROM P. II. CARPENTER). 



