MONOGRAPH OF THE EXISTING CRINOIDS. 



207 



a 



FIG. 144. LATERAL VIEW OF A SPECIMEN OF PmocHnrcs PINNATUS FROM THE QUEEN CHARLOTTE ISLANDS, SHOWING THE 



DISTAL PORTION OF THE COLUMN, WITHOUT THE TERMINAL STEM PLATE (o), THE CENTRAL PORTION OF THE COLUMN (6), AND 

 THE PROXIMAL PORTION OF THE COLUMN AND THE CROWN (c), THE LAST ILLUSTRATING TUE RELATIONSHIPS OF THE BASALS, 

 RADULS, AND ARMS (DRAWING BT THE AUTHOR). 



