DESCRIPTION OF THE PLATES. 



PLATE I. 



Figs. 1, 2, Eudendrium ezimium. 

 Fig. 1. Natural size. 

 Fig. 2. Portion of a colony with female gonophores, magnified. 



Figs. 3, 4. Eudendrium exiguum. 

 Fig. 3. Natural size. 

 Fig. 4. Portion, magnified. 



PLATE II. 



Figs. 1 - 2*. Eudendrium Iruticosum. 



Fig. !. Natural size. A cluster of capsular bodies ; probably a moUuscan or annelidan nidus has become 



attached to the stem and branches. 

 Fig. 2. A portion with hydranths and male gonophores, magnified. 

 Fig. 2*. A ramulus with hydranth and female gonophores, magnified. 



Figs. 3, 4. Eudendrium attenuatum. 

 Fig. 3. Natural size. 

 Fig. 4. A portion, magnified. 



PLATE III. 



Figs. 1-4. Eudendrium lazum. 

 Fig. 1. Natural size. 



Fig. 2. A portion with hydranths and male gonophores, magnified. 



Fig. 3. A portion of the hydrorhiza magnified, showing the clear spherical bodies in the ccenosarc. 

 Fig. 4. A portion of the stem with similar bodies, still further magnified. 



PLATE IV. 



Figs. 1, 2. Eudendrium gracile. 

 Fig. 1. Natural size- 

 Fig. 2. A portion with hydranths, magnified. 



Figs, 3, 4. Eudendrium tenellum. 

 Fig. 3. Natural size. 

 Fig. 4. A portion, magnified. 



PLATE V. 



Figs. 1, 2. Eudendrium cochleatum. 



Fig. 1. Natural size. The tubes of a little tubicolous cruitacean are seen attached to some of the 



branches. 

 Fig. 2. A portion with hydranths, magnified. 



Figs. 3, 4. Bimeria humilis. 



Fig. 3. A colony growing over the surface of a seaweed, natural size. 

 Fig. 4. A portion magnified, with hydranths and male (?) gonophores. 



