80 
Fig. 1. 
The almost complete basals are visible, three hexagonal first radials, 
a second radial, and two first inter-radials, also hexagonal. The radials and 
inter- radials are all higher than wide. The resemblance in general to P. 
indicator is strong, although the specific distinction is evident. 
Locality and Jlorizon. — Greenhills, Paterson to Dimgog lload, Co. 
Durham {J. TVatcrhouse, JI.A.) : — Mirari Limestone, Carboniferous. 
Family~PLA TYCHINIDuL. 
Obs. — The presence of this family depends upon the discovery of 
some fragmentary remains at Glen William, Burragood, and at a locality 
between the lliver Ilunter and the Bouchel Brook. These consisted of 
portions of a column and a small basal cup referred by De Koninck to 
Flafycriniis he vis, Miller, or an allied speciesh 
The basal plates in Llatycrinus are three in number, but in the figure 
cited there arc four distinctly shown, subdivided in a sufficiently perjilexing 
manner to leave the question of identity in some doubt. 
No member of this family is known to me from Western Australia ; 
l)ut the Middle Bowen Group, near Mount Britton Township, Queensland, 
has yielded a nut-shaped calyx, partly preserved, to which I have given the 
name of JPlatycrinus ? nux 
‘ Foss. Pal. Nouv. -Gaiks du Sud, 1877, Pt. 3, p. ICO, t. 6, f. 6, 6a. 
^ Geol. and Pal. Queensland and New Guinea, ia Ut,, t. 38, f. 3. 
