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APPENDIX. 



ECHINUS. The Sea Urchin. 



F I G. 88. 

 ECHINUS Ovalis depreffus ambulacris quinis. 



The five rayed deprefled oval fea urchin, 

 The colour opaque white. 

 From Sandwich — common. 



This is nearly allied to Lin. p. 1 104, No. 14 ; but wants the five lines on the under fide. 



F I G. 89. 

 ECHINUS Subrotundus planus lobatus. 



The flat roundifli lobated echinus, 

 The colour opaque white. 

 From Reculver — rare. 



A S T E R I A S. The Star Fifh. 



FIG. 90. 

 ASTERIAS Triradiata \xv\s. 



The fmooth three rayed flarfifh, 



The colour white, tranfparent as glafs. 



On all the different fliores that have been examined. 



