MONOGRAPH OF THE EXISTING CRINOIDS. 



53 



Figs. 76-88. — Radial Pentagons of various Comatclids. 76. Crixometra concinxa, lateral view uf 



BADIALS ANO CENTUODORSAL. 77. SAME, VENTRAL VIEW OF RADIAL PENTAGON. 78. ANTEDON PKTASUS, 

 LATERAL VIEW OF IIADIALS AND CENTRODORSAL. 79. ANTEDON MEDITERBANEA, LATERAL VIEW OF KADIALS 

 AND CENTRODORSAL. 80. ANTEDON ADRIATICA, LATERAL VIEW OF RADIALS AND CENTRODORSAL. 81. COMP- 

 SOMETRA LOVfiNI, LATERAL VIEW OF RADIAL3 AND CENTRODORSAL. 82, PEROMETRA DIOMEDE.E, LATERAL 

 VIEW OF RADIALS AND CENTRODORSAL. 83. SAME, FROM ANOTHBU SPECIMEN. 84. SAME SPECIES, VENTRAL 

 VIEW OF RADIAL PENTAGON. 85. HYPALOMETRA DEFECTA, LATERAL VIEW OK RADIALS AND CENTRODORSAL. 



86. Same, ventral view of radial pentagon. 87. Ervthrometra ruber, lateral view of radials 



AND CENTRODORSAL. 88. SaMB, VENTRAL VIEW OF RADIAL PENTAGON, 



