MONOGRAPH OF THE EXISnNG CRINOIDS. 



241 



Fig. 208. 



Fig. 209. 



Fig. 210. 



Fig. 211. 



Fig. 212. 



Fig. 213. 



Fig. 214. 



Fig. 215. 



Fig, 210. 



Figs. 20S-216.— 20S, Lateral \'iew of the centrodorsal or a specimen of rsAinvROMETRA congesta from tue IIaw.uian 

 Islands. 209, Later.u, tiew of the centrodorsal of a specimen of Psatiiyrometra fragius from northern J apaji. 

 210, Lateral vmw of the centrodorsal of a specimen of Psathyeometka profundorum from Queen Cilirlotte 

 Islands. 211, Lateral view of the centrodorsal of a specimen of Psathitjometra borealis from the western 

 Aleutian Islands. 212, Lateral view of the centrodorsal of a fully grown specimen of Psatiiyrometra erv- 



THRI20N from THE SEA OF JAPAN. 213, LATERAL VIEW OF THE CENTRODORS.VL OF .A. SMALL SPECIMEN OF PSATHYUOMETRA 

 ERYTHRIZON FROM THE SEA OF JAPAN. 214, LATERAL VIEW OF THE CENTRODORSAL OF A SPECIMEN OF ZENOMETRA TRISERI-' 

 A LIS FROM THE HAWAIIAN ISLANDS. 215, LATERAL VIEW OF THE CENTRODORSAL OF A SPECIMEN OF ZENOMETRA COLUMNARI3 



FROM Georgia. 216, Lateral view of the centrodorsal of a specimen of Zenometra columnaris from Georgia. 



