COMPARATIVE ANATOMY OF SOME BRITISH ACTINIA. 



541 



i-cX-. 



.u.l. 



yn.es. 



Fig. 9. — AniJiopleura alfordi. Trans- 

 verse section of a tentacle near the 

 base, showing a portion of the wall. 



Fig. \0.—Anthoi)hura alfordi. Transverse section through the 

 column, showing two primary and two secondary mesenteries. 



