FORAMINIFERA IN THE RAISED REEFS OF FIJI. 365 
kindly lent by Dr. G. J. Hinde for comparison, are very closely similar 
to the Niue specimens. The only difference is that the Anticosti spicules 
show in optical section slightly projecting tubercles which are not seen 
in the great majority of the Niue spicules. But in a few of the latter 
there are indications of the tubercles, especially in those seen in surface 
view, as already mentioned. Dr. Hinde has isolated spicules from the 
sandy material of the Funafuti boring. A few of these have long spines 
and closely agree with the spicules of Leptoclinum figured by Professor 
Herdman in his Challenger Report. The remainder are covered by 
short tubercles (like the recent specimens from Anticosti), but probably 
belong to the same species as the spiny ones, for Professor Herdman has 
shown that two varieties do exist in the same animal in the case of some 
recent species. The spicules in the Funafuti rock-sections are identical 
with the Niue forms, so that these latter may be taken as belonging to 
the genus Leptoclinum. 
