Ma&raois dominicensis , sp. nov 
PI. fig. 
1 
*5 
187^, Astrocoenia decaphylla , Pourtales, Geol. Magaaine, 25 1 ' 
Corallum ramose j size and form of branch shown by PI. 
Fig. . Axis spongy. Corallites polygonal, calices within 
subcircular or elliptical. Wa)4 between corallites usually less 
than .5 mm., very rarely as much as 1 mm. in thickness. The upper 
edge acute, ornamented with a single series of rounded granulations 
that correspond to the principal and rudimentary septa. 
Calices sunken, diameter 1,5 to 2.5 mm. 
Septa, ten well developed principal ones, that fuse to the 
columella* Above the level of their fusion to the columella they 
are very narrow, being in their upper portion mere ridges along 
the inside of the corallite wall. The margins possess faint denta- 
tions. A second cycle is represented by low septal ridges alter- 
nating with the principal septa, in only one instance were these 
secondari^ septa at all well developed - in this calice there are 
fofteen principal septa 
