188 THREE CRUISES OF THE “ BLAKE.” 
tacea, and foraminifera, must form an important element in 
Fig. 101. —Styliola. $. Fig. 108. — Tiedemannia. 1. 
the food of the sedentary deep-sea species, as they must reach 
the bottom long before they are decomposed 
Fig. 104. — Doliolum. M. 
Fig. 105. — Doliolum. $. 
