A. H. CLARK : THE CRINOIDS OF THB INDIAN OCEAN. 



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Description. — Stem stout. 7 mm in diameter, strongly stellate in cross 

 section, with the produced intorradial angles broadly rounded instead of sharp ; 

 cirrus sockets confined to the nodals, transversely oblong, the shorter diameter 

 equal to the height of the nodals ; nodals produced at the interradial angles into 



Fig. 56. — Metacrinus balheri. 

 Lateral view of the crown. 



high dorsoventrally elongate tubercles which occupy their entire lateral edges; 

 internodals six or seven, alternating in size, the longer with the angles produced 

 into dorsoventrally elongate tubercles resembling those on the nodals, but some- 

 what smaller ; radial faces of the internodals with low broad rounded ridges 



