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



BAYER, PU. 2 



Runiphella aggregata (Nutting): a, two clubs and a capstan spindle from cortex; b, flat* 

 rod of crown and points. Corallium imperiale, new species: c, branch; d, double clubs; e, 

 octoradiates; /, cross; g, atypical radiate; h, spindles from tentacles. The 0.1 mm. scale 

 applies to all spicules; the .S mm. scale to c only. 



