ZOOPHYTOLOGY. 



DESCRIPTION OF PLATES XXVIII & XXIX. 



PLATE XXVIII. 



Fig- 

 1. — Bicellaria Alderi, nat. size. (p. 213.) 



2. — Anterior view of B. Alderi. 



3. — Posterior view. 



(These figures are taken from drawings by Mr. J. Alder.) 



4. — Salicornaria Johnsoni, Bk., nat. size. 



5. — Avicul avium of Sal. Johnsoni. 



(From drawing by Mr. Alder.) 



6. — Onchopora borealis, nat. size. (p. 213.) 



7. — „ „ X 25 diam. 



PLATE XXIX. 



Fig. 

 1. — Pustulopora Orcadensis, nat. size. (p. 214.) 



2. — „ „ x 25 diam. 



3. — Lepralia monodon, x 25 diam. (p. 213.) 



4. — „ „ x 50 diam. 



