Fig. 33. A and B, Cymopolia harbata (L.); A, transverse section of the calcareous cylinder. 

 B, verticillate branches and sporangium after removal of the calcareous matrix (A 

 and B after Munier-Chalmas). C and D, Acicularia ATidrussowi Solms (C, after Andrus- 

 Bowi; D, after Solms). E, Acicularia Miocenica Reuss; section of a spicula (after Eeuss). 

 F and G, Acicularia sp. (after Carpenter), Fx40; Gx20. H, Acicularia Scheticki (Mob.) 

 (after Solms). I, Acetabularia Mediterranea Lamx. ; section of the cap {after Falkenberg). 

 K and L, Ovulites margariiula (Lam. ) (after Munier-Chalmas) ; K slightly enlarged ; L, a 

 piece of the thallus more highly magnified. M, Corallina barhata (L.) (after Ellis, nat. size). 

 . N, C. harbata (L.); the surface of the thallus; magnified. 0,Penicillus pyramidalis (Lamx.) 

 (after Lamouroux, nat. size). 



