PLATE XV. 
Page. 
ArcJusocidaris Selwyni, Eth. fil. ... ... ... ... 67 
Fig. 1. Ventral surface of the test, as a cast in coarse sandstone, showing the remains of 
large interambulacral ])lates, and the peristome occupied by the I’eraains of 
the masticatory apparatus. 
Fig. 2. Portion of the same specimen, in side view. 
Fig. 3. A cast, in relief, of some of the interambulacral plates, showing the perforated 
primary tubercle. 
Palceaster Clarkei, De Koninck ... ... ... ... 71 
Fig. d. Impression of the actinial surface of a large specimen, with well marked petaloid 
rays, and large adambulacr.al plates. 
Trihrachiocrinus Clarkei, M‘Coy ... ... ... ... 00 
or. 
Phial ocrimirS Konincki, Clarke, sp. ... ... ... 107 
Fig. 5. Either the left anterior basal of T. Clarkei, or the hexagonal anal-supporting 
basal of Phialocrinus Konmeki, probably the latter. 
Trihrachiocrinus Clarkei, M‘Coy ... ... ... ... 00 
Fig. G, lleptagonal basal in a decorticated condition, with some of the angles hidden by 
overhanging matrix. 
Fig. 7. One of the hexagonal basals — similarly preserved. 
Fig. 8. Left non-arm bearing anterior radial in a similar condition. 
Figs. 1-3, from Nowra. 
Fig. 4, „ Farley. 
Figs. 5-8, „ Wollongong. 
