188 THREE CRUISES OF THE " BLAKE." 



tacea, and foraminifera, must form an important element in 



Fig. 102. — Pleuropus. ^{ 



Fig. 101.— Styliola. f 



Fig. 10.3. — Tiedemannia. f- 



the food of the sedentary deep-sea species, as they must reach 

 the bottom long before they are decomposed 



Fig. 104. — Doliol um. Y • 



Fig. 10-"). — Doliolum. f . 



