PROC. U. S. NAT. MUS. VOL. 105 



BAYER, PL. 4 



uLSmm 



Parisis fruticosa Vernli: a, longitudinal section of axis at junciion of node and internode; 

 b, sclerodermites of internode, longitudinal section. Metallogorgia melanotrichos: c, trans- 

 verse section of axis; d, longitudinal section of axis. Caligorgia kinoshitae: e, transverse 

 section of axis;/, longitudinal section of axis. 



