194 - 
XXVII. 
Fig. 26. Fistulipora cowombatensis, sp. nov. Section of zoarium. Cotype- 
Silurian (Yeringian), Cowombat Creek. No. 2170 (SI. 1762). X 13. 
Fig. 27. F. cowombatensis, sp. nov. Section of zoarium. Cotype. No. 
2134. (SI. 1364). X 7. 
XXVIII. 
Fig. 28. Plasmopora australis, Eth. fil. Vertical section of corallum. 
Silurian (Yeringian). Native Dog Creek. No. 2087 (SI. 1359). X 7. 
Fig. 29. Heliolites interstincta, L., var. gippslandica, Chapman. Section 
of corallum cut obliquely. Silurian (Yeringian). Gibbo River, Benambra. 
No. 2538 (SI. 1764). X 13. 
XXIX. 
Fig. 30. Heliolites interstincta, L. var. gippslandica, Chapm. Transverse 
section of corallum. Silurian (Yeringian). Cowombat Creek. No. 2142 
(SI. 1371). X 7. 
Fig. 31. The same. Vertical section. No. 2142 (SI. 1369). X 7. 
XXX. 
Fig. 32. H. interstincta, var. gippslandica. Section approximately trans¬ 
verse. Silurian (Yeringian). Cowombat Creek. No. 2142 (SI. 1369a). 
X 7. 
Fig. 33. H. interstincta, var. gippslandica. Section approximately ver¬ 
tical. Same locality. No. 2142 (SI. 1370). X 7. 
XXXI. 
Fig. 34. Ostracodal limestone in thin section. Silurian (Yeringian). Mitta 
Mitta River. No. 2700 (SI. 1393). X 13. 
Fig. 35. Sheared limestone. Silurian (Yeringian). Mitta Mitta River. 
No: 2705 (SI. 1394). x 13. 
XXXII. 
Fig. 36. Coenites juniperinus, Eichwald. Mould of corallum in calcareous 
shale. Silurian (Yeringian), Mitta Mitta River. Nat. size. 
Fig. 37. C. juniper inus, Eich. Drawing of wax squeeze from mould of 
the above specimen. X 8. 
Fig. 38. Acanthoclema flexuosum, sp. nov. Portion of zoarium restored 
from a wax squeeze. Hard grey shales. Silurian (Yeringian). Gibbo River, 
Benambra. No. 2679. x 8. 
Fig. 39. A. flexuosum, sp. noY. Natural cast of zooecia. No. 2679. x8 
Fig. 40. A. flexuosum, sp. nov. Internal wall of cast. No. 2679. X 8. 
Fig. 41. Orbiculoidea diminuens, sp. nov. A wax squeeze from holotype. 
Shaly mudstone. Silurian (Yeringian). Wombat Creek. No. 2598. X 8. 
Fig. 42. 0. diminuens, sp. nov. The same in profile. X 8. 
Fig. 43. Coelospira australis, sp. nov. Dorsal valve. Holotype. Silurian 
(Yeringian). Mitta Mitta River. No. 2547. X 3. 
Fig. 44. C. australis, sp. nov. Ventral valve. Paratype. Silurian 
(Yeringian). Cowombat, Forest Hill. A. W. Howitt coll. X 3. 
