— 22 — 
calcarcous corpouscles, cylindrical, with eigth slender furrows, nearly 
as long as the cells. The tentacles slender, longer than the polyps 
(1.4 mm. long), with 14 pinnula on each side and an uninterrupted 
row of calcareous needles (0.070 — 0.112 mm. long), extending from 
the base to the upper extremity. A pair of rudimentary polyps 
between each pair of developed polyps. The zooids are round, and 
only to be seen with the microscope. In the inner row of zooids 
there is a single zooid between each pair of undeveloped polyps. 
The two other rows of zooids on the outer side of the developed 
polyps, are placed in curves and consist of 4 individuals between 
the polyps. The calcareous corpuscles are very numerous in the 
stalk, rachis and cells, especially so in the cells and their spines; 
they are least numerous in the lower end of the stalk. They consist 
of long pointed needles (0.210 mm. long). The whole seapen is 
colourless, the axis yellow, throughout the wohle pen, 0.5 mm. broad, 
very rich in calcareous deposit. 
