obtained from this haul. The
orallum is Avliite. Tlie liaso
sub-pedicellate, Avitli a small
scar of original adherence. The
principal costae are prominent,
and round the region of the
base they are beset with small
spines directed somewhat iqi-
wards. The upper portion of
the costa is without spines.
Tbe primary and secondary
septa are broad and exsert.
Pali are absent, the columella
is fascicular. The absence of
pali, the form of the columella,
and the nature of the base,
associate this form Avith tlie
Ceratotrochi as defined by
Alilne-Edwards.
The animal is of a dark
madder colour on the region
of the margin of the calicle
betAA^een the exsert primary
and seconday septa, and on
tbe membrane in \e stin g the
Avail of the corallum from th i
margin down to tbe coinnience-
ment of the spines. Tliis dark
colour is succeeded on tlie
disc by a band of pale blue,
AA’ithin Avliicli there is again a
zone of very dark madder
colour round the month. The
Fh. 14 - Diagram coiistnieted from
Eerial Hoimdiiig (No. 82).