St. minuta -33- 
Stylophora minuta Duncan. 
1867. Stylophora minuta . Duncan, Quart. Jour. G-eol* Soc. London, 
Vol. XXIV, p. 14. 
Original description: 
"The corallum is encrusting and very small and thin. The 
calices are circular in outline, and project like small cylinders 
above the ooenenchyma, which separates them. The costae are not 
in existence, but the cylindrical wall is plain. The septa ai*e 
six in number, and are stout* The columella is large and styloid. 
The ooenenchyma is lax and plain. There are two caliees and the 
intermediate ooenenchyma in l/lO inch. 
Locality . St. Croix, Trinidad. 
This species is closely allied to S, raristella , Def ranee, 
sp., of the Falun s 
