PLATE VII. 



FIG. 



1. COKYNE PUSILLA, p. 39, nat. size. 



1 a. A polypite magnified. 1 b. A tentacle with the 



threads of the nematocysts exserted. 



2. CORYNE I'RUTicosA, p. 44, nat. size. 



2 a and 2 b. Polypites magnified. 2 c. A portion of the 



stem, magnified. 



3. SYNCORYNE SARSII, p. 52, nat. size. 



3 a and 3b. Polypites, magnified. 



