Cretaceous Species of Podoseris, Dunc. dl 
between the ridges of synapticule. Epitheca exists or not 
and is delicate and granular. 
Breadth from 5-12 millim., height from 2-8 millim. 
Podoseris dubia, sp. nov. (Pl. V. figs. 12 and 13.) 
The corallum is small, attached, cylindrical, nearly as high 
as broad, with a slightly convex calice and a small central 
fossula. Septa numerous, subequal, mostly long, stout, and 
slightly wavy, often straight, passing far inwards, some 
uniting with others, and these reach the edge of the fossula, 
arched at the free edge, carrying a single row of large distinct 
granules ; a few rudimentary septa. About sixty-four large 
septa, of which one half reach the fossulaand form thecolumella, 
with probably the addition of some dissepimental structure, 
the top of the columella being the base of the fossula. Inter- 
septal spaces well developed, but a slender horizontal growth 
is often seen upon the sides of the septa. Costes more nume- 
rous than the septa, unequal in some parts, very straight 
and regular and well separated, alternately broad and narrow; 
in other parts very irregular, wavy, dividing and uniting, or 
straight, differing much in size. Synapticule few and 
deeply seated in the calice, probably few between the coste, 
but in definite transverse lines and stout. Epitheca in bands 
in places, but the intercostal spaces are visible elsewhere ; 
there is an indefinite and small granulation upon the coste. 
Height 8 millim., breadth of calice 9 millim. 
Loc. Red Chalk. 
Young Forms of Podoseride. 
1. (Pl. V. fig. 10.) 
Part of a small, simple, very low corallum, expanded, 
and about 2 millim. broad from the extremity of the base to 
the inner ends of the septa. The discoid coral slopes up very 
slightly from the outer edge of the coste at the base to their 
septal end, which is raised. ‘The septa are sunken below the 
ealicular margin, large and small, long and _ short, irregular 
in thickness, radiating from a circle of synapticule, which 
unites the inner ends of the larger septa and surrounds a 
wide axial space; the smaller septa may unite with the 
larger ; interseptal spaces large, shallow. Two, or in places 
three, concentric lines of synapticule and some small septa 
end in the circle nearest the coste. Coste larger than the 
septa; close, unequal, slanting synapticule seen. The wall 
