MONOGRAPH OF THE EXISTING CEINOIDS. 



15 



17 



21 





14 



18 



22 



15 



19 



23 





FIGS. 13-24. RADIAL PENTAGONS OF VARIOUS COJIATDLIDS. 13. COMATILIA liUDGMKTRii'oii.Mis, LATERAL 

 VIEW OP BADIALS AND CENTKODOnSAL. 14. SAME, VENTRAL VIEW OF RADIAL PENTAGON. Ifi. COMA- 

 TULA MICRASTER. LATERAL VIEW OF RADtALS AND CENTRODOHSAL. 16. SAME, VENTRAL VIEW OF RADIAL 

 PENTAGON. 17. C'OMATl'LA PECTINATA, LATERAL VIEW OF RADIALS AND CENTRODORSAL. 18. Si.ME, VENTRAL 

 VIEW OF RADIAL PENTAGON. 19. CGMACTINIA ECHINOPTERA, LATERAL VIEW OF RADIALS AND CBNTRODuRSAL. 

 20. SAME, VENTRAL VIEW OF RADIAL PENTAGON. 21. COMASTEK FRUTICOSUS, LATERAL VIEW OF RADIALS 

 AND CENTRODORSAL. 22. SAME, VENTRAL VIEW OF RADIAL PENTAGON. 23. COMACTINIA ECH1NOPTERA, 

 LATERAL VIEW OF RADIALS AND CENTRODORSAL. 24. SAME, VENTRAL VIEW OF RADIAL PENTAGON. 



