COMPARATIVE ANATOMY OF SOME BRITISH ACTINIA. 



525 



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OX. 



tad. 



Fio. -I.—Sagartia miniata. Portion of the tentacle wall, 

 showing the strongly developed ectodermal muscle. 



erut- 





Tney' ; 



CricC.' 

 *FiG. 1. — Sagarlia miniata. 

 Transverse section of a 

 portion of a mesentery 

 from a large specimen, 

 showing the curious 

 folding of the retractor 

 muscle. 



* For Index to Lettering, see page 552. 



