p. 3

[Niagara Group]

Diplophyllum coespitonum, Hall,
Pal. of N.Y. vol 2 p 116 pl 33 fig 1

Corallium cylindrical as sub=
turbinate in its young state; stems
coalescing at intervals and increasing
by lateral buddings, caspitose or
aggregated in large groups, which
often grow from a single base; rays or
lamella numerous (about 50), thin; cen
tre of the cell with rays and transverse
septa; external portion with fine rays
and thin transverse dissepiments uni=
ting the lamillae, giving a kind of
cellular structure to the outer por—
tion of the coral.

L 1. to 5 inches D. 11.25

Wauwatosa!
Racine!