PLATE L. 



1. DlPHASIA PINASTER, p. '252, liat. size. 



1 a. A portion bearing a male capsule, magnified. 1 b. The 



female capsule, magnified. 



2. SERTULARIA FUSCA, p. 272, nat. size. 



2 a. Culycles, magnified. 2 b. Gonothecse. The last figure 



is after Johnston. 



