/ 
Orb i c alia annularis (Ell. & Sol.) 
Fro f. Graham gerr«o£ the Uniwera tty of Glasgow* h&a kingly 
sent me photograph® of the typo of this specie®, ahieh is prase nr ad 
in- the Hunterian Museum at that institution, and I fears based the 
following description on them. 
The cor&llum is head~siiap©d, with a greater diameter of 10? mm. 
and a lei gear of 86. 
The cal ices are circular, 2 mis* in diameter, 'margins slightly 
elevated, joined fey equal costas, di stand® apart usually about 1 mm., 
occasionally 2. 
Septa 24 in number, alternately larger and smaller? the largo, 
rather thick and remaking the columella? the intermediate oaos, shortjf 
thoir inner ends fra®. 
Columella spongy * wall developed* its diameter about one-third 
that of th® cal Ice. 
A comparison of the photographs with specimen® shows that the 
traditional Q role #11 a annul ar le ' o f the Garifefeoan and Gulf regions is 
correctly identified. 
There are in the collection of the United States Natit&al Museum 
a number of specimens that arc almost duplicates of the type spa si men, 
except they are not somewhat worn as is the typo. Those specimens 
form the basis of the succeeding description. 
The oerallum forms rounded masses rising above a rather large, 
firmly attached base, which is, however, leas in diameter tfeian the 
maximum diameter of the coral lum. Frequently there is a projecting 
or incrusting edge whose lower surface is covered by ep|ifeeca. The 
