PLATE V. 



Figs. 1-11. Manicina areolata Ehr., series of young specimens in various stages of development, but still 



in the simple state, natural size and magnified. 

 Figs. 12-15. Manicina areolata Ehr., young specimens further advanced, showing process of division, 



natural size and magnified. 

 Figs. 16, 17. Manicina areolata Ehr., young specimen still attached, natural size. 

 Fig. 18. Manicina areolata .Ehr., specimen more advanced. 

 Fig. 19. Manicina areolata Ehr., living specimen with tentacles expanded in upper part, retracted in the 



rest. The mouths are represented in various stages of expansion. 

 Fig. 20. Manicina areolata Ehr., lasso-cell with the thread partly projected and partly coiled up inside. 

 Fig. 21. Manicina areolata Ehr., lasso-cell with the thread fully projected. 

 Fig. 22. Manicina areolata Ehr., lasso-cell with the thread entirely coiled inside. 



