PLATE 88. 



Piiite 

 Fig. 1-4. AiNOMALOCrSTITES DISPARIMS. 145 



1 . Antoal or concave side, showing tlie deeply arched or cresceiitforni base with tlie succeed- 



ing plates. 



2. Posteal or convex side, showing the form and arrangement of plates. 



3. Lateral view of the same specimen. 



4. Diagram illustrating the structure of the body, showing the deep indentation fur the in.ser- 



tion of the colunm : a, plates of the anteal or concave side; p, plates of the po.stcal or 

 conve.x side; r, r, the lateral or radial plates, which are shaded to indicate the abrupt 

 angles, <me part of the plate serving to make up the convex and the other the concave 

 side . 



Fig. 5 - 9. Plates of undetermined Crinoidian or Cystidian bodies. 147 



