DESCRIPTION OF THE PLATES. xe 
Tas. XXI. 
Fig. 1. Gomiaster Hunteri. Fig. 8. Fragment of Goniaster uncatus. 
2 & 2%. Goniaster rugatus. 
3. Goniaster. 
4, Goniaster uncatus, dorsal or upper 
surface. 
, under surface. 
i) 
6. Oreaster Boysii. 
7, 7 a-e. Oreaster coronatus. 
9. Fragment of a Goniaster. 
10 & 11. Goniaster Parkinsoni, 
12. Oreaster obtusus. 
13. ocellatus. 
14. Oreaster. 
15. Fragments of Oreaster pistilliferus. 
16. Fragments of an Oreaster. 
Tas. XXII. 
Fig. 1. Goniaster Smithiu. ig. 5. Goniaster. 
s 6. Coombiy, dorsal surface. 
2a. le , ventral surface. 
3. compactus. 8. Stellaster Comptoni. 
4. Bowerbankii. ) elegans. 
Tas. XXIII. 
Fig. 1. Arthraster Dixoni. 8. Goniaster, sp. ? 
2. Dise of Ophiura serrata. 9. lunatus. 
3, 3a, 3b. Portions of arms of Ophiura 10. angustatus. 
serrata: 3 a, magnified. 11-12. Mantelli. 
4, 5. Goniaster latus. 13-14. Portions of Goniaster uncatus. 
6. Coombii. 15. A fragment of Goniaster rugatus. 
7. Oreaster squamatus. 16. Fragment of a Goniaster. 
Tas. XXIV. 
Figs. 1 & 2. Holaster subglobosus. Fig. 18. Teeth of Cidaris serrifera. 
3 & 4. Micraster cor-bovis. 19. Magnified base of a spine of Cidaris 
5 & 6. gibbus. serrifera. 
7,8, 9. Holaster cor-avium. 20. Cyphosoma spatulifera. 
10, 11, 12. pillula. 21. Magnified portion of sphere of Cy- 
13, 14. Discoidea Dixoni. 
15. Cidaris serrifera. 
16. Outline of side view of sphere of 
Cidaris serrifera. 
17. Magnified portion of sphere of Cidaris 
serrifera. 
phosoma spatulifera. 
co) 
ci) 
. Magnified base of spine of Cypho- 
soma spatulifera. 
23 & 24, Spine of Cidaris. 
25. Spine of Cidaris. 
26. Goniaster mosaicus. 
