PLATE XVI. 
Fig. 1. 
Fig. 2. 
Fig. 3. 
Fig. 4. 
Fig. 5. 
Fig. G. 
Fig. 7. 
Fig. 8. 
Fig. 9. 
Fig. 10. 
Fier. 11. 
PJiialocrimis Konincl-i,C\a,Tke,s^..,, 
Internal cast of the calyx, and external impression of the arms in sandstone, 
anterior side. 
A similar specimen of the calyx only, hut the basal plates showing the 
characteristic bosses, radii, and concentric lines, whilst the radials are 
radiately sculptured only. The sutures exhibit the line of small nodes 
along the inter-basal and basi-radial sutures. 
Another like and rather crushed calyx, viewed from the posterior side, with the 
anal plates in position, truncating the hexagonal basal. 
The base of the same specimen, showing the inverted base for the reception of 
the infra-basal plates. 
Trihracliiocrinus cornigatus, Eatte 
View of the base or dorsal surface, a reproduction from an external inpression. 
The upper or ventral surface, showing the three articular surfaces for the arms, 
aud the impressions of disk plates. 
Left half-side, posterior view, exposing the heptagonal basal surmounted by the 
anal plate. 
Left side view, with basals and radials visible. 
Eight side view. 
An internal cast of the calyx, seen from above, with further traces of disk 
plates. 
Basal plafe ... ... ... ... ... ... 
Impression of a small basal plate similar to PI. XIV, Fig. 7. 
Figs. 1-4, from Nowra. 
„ 5-11, „ Jamberoo. 
I^The originals of Figs. 5-10 are in the Australian Museum.] 
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