iLv o 
summit®, those of a»e iber specimen from Wastpuot, Oura^ap;, are from 
g„5 bo 3 a®. itt di&ma&er. The former possesses ih© largest ealioes 
of aay ppestasn of the species that I have soon-. 
The variation® not included Is the preceding remarks say be divided 
into two classes, dependent upon growth, vis: a, explanat® or incrtaetlag} 
b,. columnar. 
A. Growth from explanais or inc rusting. 
A. Seh inop ora frankol Gregory. Quart. Jour* GeoX. Son. London, 
vol. LI , p* *74, PI. XI, fig®. '$a* 2b, 1895. Gregory was mistaken in 
referring tbs specimens to the genu® Echinopora. The following it the 
original descriptions 
" Diagnosis . The coral has a broad bate; from this pass outward 
short, thick, rapidly tapering expansion®. 
“Corallltee longs often an Inch in Their distance one 
from the othe#- varies fro® half their diameter to the whole. 
"Septa strongly- den tat ej Inner teeth pall form, In three cycle®. 
\ 
Those of the first cycle always unit© to the columella* those of the 
second cycle often do so, but may loin the primary septal those of the 
third cycle are much ©waller and independent, but a few may units with 
th® septa of the other orders* 
"Columella of very loos® i lasts©! half th® diameter of the coral lit©* 
Indotheca ©canty. Ooenenchyaa thinner than in other species ©f the genus. 
Bchinul&t lone of the surface coarse. Epitheca thick and well developed. 
" Dimension® . Diameter of an average cor alii to, 3 mm. j height of 
corallita varies from 10 to 25 mm. { thickness of wall varies from 1-g- to 
3 mini 
