54 
Flabellum Grangense, spec. nov. Pl. xxii., fig. 3. 
The corallum is pedicellate, conical in shape, compressed 
towards the base, and scarcely so superiorly. The wall is 
moderately stout, and is covered with a strong epitheca. The 
coste are plainly marked, equal, flat, broad, and sepa- 
rated by fine lines. 
The calice is subelliptical, its major and minor axes being 
in the ratio of 100 to 94. The septa do not correspond to 
the coste, but to the linear intervals between them. They 
are in six systems with four complete cycles. Тһе primaries 
and secondaries are stout and equal; the tertiaries and 
quaternaries, especially the last, shorter and smaller. All 
are marked by rows of large, bluntly pointed granules. A 
rudimentary columella, formed by the junction of opposite 
septa, is visible in two examples, both of which are shortened 
by fracture. In the figured example, which is taller and 
larger, the columella is wanting, and the septa do not meet. 
A small fragment of shell has, however, become firmly 
fixed in a portion of the columella space. 
Height, 19 mm. ; approximate diameters of calice, 85 mm. 
and 8 mm. Only three examples have been found, none of 
which have the calice perfect. Though much less compres- 
sed than Flabella generally, there can be no doubt as to the 
genus of this coral. 
Locality, etc.—In the Miocene beds at Forsyth's, Grange 
Burn. . Collected by Mr. T..S. Hall and myself. Like the 
fossils generally in the Muddy Creek Miocene, the coralla 
have evidently been rolled. 
GENUS PLACOTROCHUS. 
Placotrochus magnus, spec. nov. 11. xxii., figs. 4a, b, c. 
The corallum is large, dense, and much compressed at the 
base, which terminates in a short, abrupt, flatly pointed 
pedicel. Above this, the faces incline outwards so as to 
form a broadly elliptical calice. The coralla are not uni- 
form in general outline, and vary from deltoidal to almost 
cuneiform. The lateral edges are plain, sharp, and con- 
vexly curved from the base to the summit; the angle sub- 
tended by them varies according to the habit of the indi- 
vidual from an extreme of about 80* in the broadest to 44? 
in the most coutracted forin. The coralla figured represent 
the two most strongly contrasted forms collected; 
their faces are inclined іп their middle’ lines аф 
angles of about 45° and 36° respectively. The summits of 
the minor axes of the calice rise to a greater or less extent 
above those of the major, according as the examples vary 
