102 Frederick CJtapvian- 



Fig. 37. — Uraspedostoma lilydaltnsis, Ciesswell sp. Umbilical 

 aspect of plesiotype. Cave Hill, Lilydale. 



Plate V. 



Fig. 38. — Cyclonema lilyddlenais, Etheridge fil. A group of young 

 shells. Cave Hill, Lilydale 



39. — Loxoinnia siniiosa, Sowerby, var. australis, var. nov.. 

 Whorl of shell showing varietal character of ornament. 

 Cave Hill, Lilydale. 



40. — 0rf/i07i>/chia hrevis, sp. nov. Lateral aspect of holotype. 

 Loyola, near Mansfield. 



41. — Flaftjceras mhnttmn, sp. nov. Paratype. Deep Creek, 

 Thomson River, Gippsland. 



42. — Platyceras cornuftim, Hisinger. Loyola, near Mans- 

 field.' 



43. — Plafi/ceras erect urn, J. Hall sp. Kilmore. 



44. — Diaphorosfoma retrorugatum, sp. nov. Apical aspect of 

 holotype. Ruddock's, near Lilydale. 



45. — B. retrorugatuw, sp. nov. Umbilical aspect of holotype. 



46. — Diaphorosfonut iucisiim, sp. nov. Apical aspect of holo- 

 type. Tliomson River, Gippsland. 



47. — Hercynella ricforiae, sp. nov. Apical aspect of holotype. 

 Junction of Woori-Yallock and Yarra. 



48. — //. ricforiae, sp. nov. Lateral view of a crushed speci- 

 men. Paratype, showing radial ornament. Junction 

 of Woori-Yallock and Yaria. 



Plate VL 



Fig. 49. — Helcionopsis eleganfvlum, sp. nov. Enlarged ornament 



from median dorsal area. x 10. 

 ^^ 50. — Temnodiscus pharetroides, sp. nov. Holotype enlarged. 



Lateral aspect. x 4. 

 ,, 5L — T. pharetroides, sp. nov. Holotype enlarged. Dorsal 



aspect. X 4. 

 ,, 52. — Bellerophon fasciatiis, Lindstrom. Plesiotype, showing 



growth-lines. x 3. 

 ,, 53. — Bellerophon cresswelli, Eth. fil. Portion of surface of 



senile example, below aperture; showing character 



of decussate ornament, som.ewhat restored. x 2. 

 ,, 54. — Euomphalus centrifugalis, sp. nov. Holotype enlarged. 



Lateral aspect. x 2. 



