HOC Frederick Chapman : 



Fig. 7. — Nnvtilus geelongensis, Foord. A cast in polyzoal rock. 



Janjukian. Murray Cliffs. South Australia. (Coll. Rev. 



C. S. Y. Price). ;^5th nat. size. 

 Fig. 8. — .T. gedotige/isis, Foord. Shell infilled with gypsum. 



Kalininan. Cliffs opposite Henty's farmstead, Grange Burn, 



near Hamilton, Victoria. Lateral aspect. Nat. size. 

 Fig. 9. — N. f/eelongensis, Foord. Apertural view of the above 



specimen. Nat. size. 



Pl,ATE V. 



Fig. 10. — Nautilus alfifrom, sp. nov. Type specimen. Lateral 



aspect. Janjukian. Murray River Cliffs, South Australia. 



About 4-lOth nat. size. 

 Fig. IT. — N. altifrons, sp. nov. Apertural aspect of the above. 



Al)()ut 4-lOth nat. size. 

 Fig. 12. — N. altifrons, sp. nov. Portion of a shell infilled with 



selenite; showing the septa and siphuncle preserved in situ. 



Janjukian. Murray River Cliffs, South Australia. Nat- 



Plate VL 



Fig. 13. — Nautilus altifrons, sp. nov. A cast in polyzoal lime- 

 stone. Janjukian. Nor'-west Bend, Murray River, South 

 Australia. Paratype. About 3-5th nat. size. 



Fig. 14. — Navtilus felix, sp. nov. Lateral aspect of type speci- 

 men. A siliceous internar cast; with portion of the shell 

 preserved. Janjukian. Happy Valley. South Australia. 

 (Dennant coll.). About nat. size. 



Plate VIL 



Fig. 15. — N . felix, sp. nov. Apertural aspect of the above speci- 

 men. About nat. size. 



Fig. 16. — Notosepia cliftonensis, sp. et gen. nov. Internal face 

 of aepion of type specimen. Balcombian. Clifton Bank. 

 Muddy Creek, near Hamilton, Victoria. (Coll. H. Lodge). 

 Nat. size. 



Fig. 17. — N. cliftonensis, sp. nov. Side view of above specimen. 

 Nat. size. 



