gins of th© primaries and aecon&aries &®c idedly sxssrt , not infra ^«&tly 
standing 2 ram. above the- intsraor&Xlita furrow, Tho thro® charactara 
h®ra mantinnad &r® ttia distinguishing anas of this variation, vise gib* 
hosities on the surface, 2, larger sail Os® j 3, mors oxaert septa. 
Localitisst Dry Tortug&s, Florida, Br. Edmrd P&Xsser, oollaotlor, 
1 spssimsni oast sad of 8*g Island, Bahamas, B. A. Bean, oollootor, 1 
specimen? and taro other spssit&sas without locality label®. 
Variation Mo* 3 is r©pr®a»aiod by a singl© specimen. The serai Xura 
la discoid, lower surf ass flat, upper convex, some irregularities. Groat* 
or diameter, 22,7 ecu, lessor, 19,2 cm. ? thickness in the c onto r ab out 
S cm,, on bhosdge , 3 ©a. 
Gall®©©' with slsvatsd margins, and crowded together, the different 
comllito walls almost eontiguoua; margin© of primary and secondary septa 
dseldsdly assert* Di&ssstar of calicos about 2,75 tarn. 
Th® distinguishing characters of thia variation are (X) its discoid 
form, (2). its crowded ealicss, (3) its decidedly ox sort septal margins. 
Locality I Fort Taylor, Key foot, Florida, 
fariation !5o* 4 is reprsssntsd by the specimen® that I described from 
~ — ~ “™ y 
Ifayagust., Fort# Rico, in my "Stony corals of the Forto Rican waters." 
1/ Bull. U. S. Fish Commission for 1900, vol. II, p. 301, Pis, 71,711,1901, 
The following description is bassd on them* 
Th© corallum forms ascending masses? the largest specimen is about 
20' cm* tall | disaster above flared -out base about 13.5 ©a. The bases of 
tha sped mans &.r@ aonsldarfebly produced a® #14®, fro® edge, and supported 
by apiiheca. 
