THE PLATES. ' 279 



PLATE VII. 



Pig. 1. Cymodocea ramosa, p. 95. | 



a. Of the natural size. 

 B. Fragment of a branch, magnified. 



2. Cymodocea simplex^ p, 95. 



a. Of the natural size. 



B. Fragment of a stem, magnified. \ 



3. Tihiana fasciculata, p. 97. 



a. Of the natural size. \ 



4. Tubularia annulata, p. 100. \ 



Of the natural size. ; 



5. Tubularia cornucopieBy p. 100. 



Of the natural size. 



6. Telesto aurantiaca, p. 105. 



Of the natural size. 



7. Liagora albicans, p. 108. 



Lower part of the Polypidom, of the natural 

 size. 



8. Neomeris dumetosa, p. 109. \ 



a. Of the natural size. 



B. Polypidom, a little magnified. | 



PLATE VIII. 



Fig. 1, Acetabularia crenulata, p. 110. 

 Of the natural size. 

 2. Polyphysa aspergillosa, p. 111. 

 a. Of the natural size. 



B. Polypidom magnified. 



C. Cell magnified, and entire. 



D. Cell cut transversely, magnified. 



