Class VI. ASTERIAS. SEJ-STJR. 127 



GENUS XXXIII. ASTERIAS. SEA-STAR. 



Body depressed; covered with a coriaceous 

 coat; furnished with five or more rays, 

 and numerous retractile tentacula. 



Mouth in the center. 



* Five-Rayed. 



AsT. Lin. Syst. IO99. Gm. Stella coriacea acutangula lu- 1. Glaci- 



Lin. 3162. tea vulgaris Lluidii. iiwcAif, alis. 



^ „ ,7 , . -.T ^ Cojnmon. 



Faun. Suee. No. 2113. p. 31. tab. xxxvi. No. 6l. 



AsT. with five rays depressed; broad at the 

 base ; sub-angular, hirsute, yellow ; on the 

 back, a round striated opercule. 



These are found sometimes defective, or with 

 only four rays. See Liitckius, tab. xxxv. 

 Jig. 60. 



Common in all our seas ; feed on oysters, 

 and are very destructive to the beds. 



THRATA. 



Cancellated 



Stella pentapetalos cancellata Linckii, p. 32. tah. xiv. No. 2. Cla- 

 anomalos. 23. and tab. vii. No. g. 



AsT. with five short thick rays; hirsute be- 

 neath ; cancellated above. 



Found with the former ; more rare. 



