64 G Canadian Arctic Expedition, 1913-1918 



PLATE VIII. 



Fig. 1. Lepidomuricea grandis Verrill. Type. 



Group of spicules from the coenenchyma. x about 48. 



a f, flat rough, irregular, scale-like forms. 



g h, elongated irregular spindles. 



j, acutely waited or thorny irregular club with the point projecting from the surface. 



y, a simple slender spindle. 

 Fig. 2. The same specimen. Group of spicules from the calicles. x 50. By A.H.V. 



a e, flattened somewhat scale-like imbricated spicules. 



f g, similar flat forms with short acute outer tips. 



h, a more acute spicule with an acute distal projecting tip and a branched root-like inserted base 

 belonging to one of the proximal series of the spiniform calicinal armature. 



i, a more spiniform spicule from near the margin of the calicle. 



j, a simple spindle with a spiniform tip. 



1-p, bent spindles from the basal collar of the anthocodia. 

 Fig. 3. Paragorgia pacifica Verrill. Type. Part of a section across a branch, x 15, original by A.H.V. 



a a a, larger longitudinal canals and / smaller canal in the ccenenchyma or outer layer. 



d d, g g, smaller canals in the middle layer. 



h, h, canals in the inner or axial layer. 



i, central canal. 



c, ccenenchyma. 



s, s, s, polyp cavities. 



Fig. 4. The same specimen: spicules from the outer part of the ccenenchyma. x 130. 



Fig. 4a. The same: spicules from the middle layer. x 130. 



Fig. 4b. The same: spicules from the inner or axial layer; i, h, are seen endwise. x 130. 



