140 THREE CRUISES OF THE " BLAKE." 



446), of a light pink, fading- into white in the younger branch- 



jr*X - 



Fig. 446. Stylaster filogranns. \. (Pourtales.) 



lets. The color is diffused through the entire thickness of the 

 corallum. Another common Stylaster is Distichopora foliacea 



"*^' V <C'^ *'->. k '-^V.. V '^' ^^4^*'~'* < ^sS 



A'.. ->V:.,r"'%ik !'' ."Tm'''' y_r-3' >.JaiSb ; .fe., t . . . '^' 











Fiff. 447. Distichopora foliaeea. { (Pourtales.) 



(Fig. 447), characterized by its small calycles, not placed in a 

 furrow, irregular lateral pores, and serrated edge. 



