PLATE V. 



Class CCEL.ENTEBATA 



ACTINOZOA. 



THE SEA-ANEMONE (Actinia). 



FIG. 1. ACTINIA : CONTKACTED. x 1. 



c. column : p. pedal disc : t. tentacles. 



FIG. 2. ACTINIA : EXPANDED, x 1. 



FIG. 3. MOUTH, FROM ABOVE, SURROUNDED BY THE TENTACLES, x 2. 



FIG. 4. DISSECTION, x 1. 



m. mesentery or septum : t. inner surface of the throat-tube or 

 oesophagus: r. reproductive organs attached, to the surfaces of 

 the mesenteries : s. secondary septa. 



FIG. 5. LONGITUDINAL SECTION. (After Hertwig.) 



t. tentacles: o. cesophagus hanging down into the gastro-intestinal 

 cavity : r., r. reproductive organs : m. mesentery : c. one of the 

 craspeda : a. one of the acontia. 



FIG. 6. ACTINIA: REPRODUCING BY GEMMATION, x 1. 



