REPORT ON THE REEF-CORALS. 111 
by the trabeculate and vermiform structure of the innermost upper part of the septa, absent 
in transverse section. In the tabule the septa are rather distinct, and are seen to meet 
quite at a point at the centre. 
Tt is thus seen that this genus agrees with Cyathophyllum in every essential respect 
except that the septa are not alternately equal. In Moseleya the septa are of variable 
length, terminating either at the centre or close to the outer border, or at almost any 
intermediate point, though not infrequently they are alternately subequal, a condition 
more clearly seen in transverse section. A decided approach, however, is found in many 
species of Cyathophyllum, where in transverse section three or even four different lengths 
of septa are frequently present (e.g., Cyathophyllum stutchburyi, Cyathophyllum 
rugosum, Cyathophyllum regium). 
With Strombodes, the agreement in the lengths of the different orders of septa is very 
close, but the wall is much more developed in Moseleya, while the septo-costee do not 
form the vesicular, trellised appearance so common in Strombodes. 
Moseleya latistellata, Quelch (Plate XII. figs. 1-7). 
Moseleya latistellata, Quelch, Ann, and Mag. Nat. Hist., vol. xiii., 1884, p. 293. 
Calicles very large, the parent median calicle attainmg a width of about 6 em., but 
becoming smaller by the development of new calicles around it, and attached by a very 
broad base to the surface on which it grew. LEpitheca and wall very thin, the wall often 
rudimentary between the confluent septa of adjacent calicles. Coste distinct and finely 
denticulate above, continuing as well-marked lines to the very base. Septal system 
containing orders of seven cycles, but the last two cycles are incompletely developed, 
there being about two hundred septa in the largest calicle; the septa are thin, finely cut 
into subequal sharp teeth (nearly 1 mm. in length), laterally granulated and thickened, 
chiefly so in the direction of the teeth, free above only for a short portion owing to the 
great development of vesicular endotheca, but, at the centre exteriorly the endotheca is 
much less developed, and consequently the calicles become much deeper and the septa 
more prominent. ‘The septa of the first two or three orders are about equal, and run 
nearly or quite to the centre; those of the higher orders are somewhat smaller and 
shorter, though many run nearly to the centre; the highest orders are very small and 
are distinct only at the edge of the calicles. With the exception of these last, the septa 
are regularly placed and equally raised, giving a very even appearance to the calicles, 
especially to the older ones. Pali and true columella absent; but the finely trabeculate 
inner and upper edges of the septa give the appearance of a small columella. Endotheca 
abundant, vesiculate ; vesicles large. 
Of this species a single specimen was obtained. It consists of a very large central 
parent calicle, around which have developed by marginal budding several smaller calicles, 
