60 SMITHSONIAN INSTITUTION 



PLATE II PAGE 



Scyphocrinus elegans Zenker 30 



Specimens B and C of the slab shown on PI. I. Natural size 

 Fig. 1, specimen B; fig. 2, specimen C. To show the various types of surface sculp- 

 turing, both on lower calyx plates and in the interbrachial pavement. 

 In fig. 1 (B) the appearance of suspended chains is most prominent 

 (var. schlotheimi) . In fig. 2 (C) it is a complicated network into which 

 enter root-like prolongations from the lower elevated brachials (var. 

 schroeteri) ; and at the lower left edge the costas are broken up into 

 separate granules, as described under 6". decoratus W. and J. 



Photographed by Dr. R. S. Bassler and carefully retouched by Mr. 

 Chapman. 



Helderbergian. Cape Girardeau, Missouri. 



