G. anti liar urn -10- 
Goniopora antillarum sp • nov. 
PI. figs. 
1373. Actinacis rollei , Duncan, Quart. Jour. Geol. Soc. London, 
Vol. XXIX, p. 561. 
1899. Actinacis rollei , Vaughan., Bull. Mus. Comp. Zool., Vol. 
XXXIV, p. 230, 
Hon Actinacis rolle 1 , Reus s, Benkschr. K. K. Akad. Wiss. 
Wien, Math. - Haturhist. Cl., Bd. xxiii, p. 
27, pi. viii, fig. 6, 1864. 
Corallum forming an elongate somewhat compressed mass, 
with calices distributed over all the surface, except on one 
broken end; it therefore seems quite probable that corallum grew 
erect attached by a comparatively small base. The type specimen 
is 120 mm. long, 67 mm. wide, and 47 mm. thick. The surface is 
somewhat irregular, with faint humps and slight depressions. 
Calices polygonal, rather deep or shallow, separated b y 
distinct, moderately thick walls, .5 to 7.5 mm. thick. The 
