PLATE V. 
Figs. 1-11. Manicina areolata Ehr., series of young specimens in various stages of development, but still 
in tlie 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., yoiing 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-ceU with the thread partly projected and partly coiled up in.side. 
Fig. 21. Manicina areolata Ehr., lasso-cell with the thread fully projected. 
Fig. 22. Manicina areolata Ehr., lasso-ceU with the thread entu-ely coiled inside. 
