A New Cystocrinoidcan Species. — Sardeson. 
265 
duplicate of every whole plate with others remaining for com- 
parison with the fragmentary radials. By aid of these a re- 
construction has been made (fig. 2) with as great accuracy as 
Fig. 1. Diagram of Strophocrinus dicyclicus, drawn to show 
relation of the basals. 
practicable. In this, however, exactness is neither possible nor 
necessary, since the plates evidently vary in shape, as is shown 
especially by the heptagonal basals of which there are found 
both wider and narrower ones than those of the type speci- 
men. The shape of the fragments of the plates reconstructed 
has however not been changed in the drawing as shown in 
the figures i and 2. 
Only three arm-bearing radial plates are evident and these 
appear to represent, besides the anterior radial, the left and 
right anterior ones, — see figs, i and 3, pi. xii and fig. i and 2. 
