PLATE XXVI. 



FIC. 



1, 1'. OBELIA GELATINOSA, p. 151, nat. size. 



1 a. A portion,, magnified. From drawings by Mr. Tuffeii 

 West. 



2, 2 a. CAMPANULARIA RARIDENTATA, p. 17G, magnified. 



From drawings by Mr. Alder. 



