232 Mr. D. Sharpe and Sir P. Egerton on Fossils from South Africa. 



Fig. 19. Acteon Atherstoni, Sharpe ; magnified 3 diameters. From Zwartkop. p. 200. 



Fig. 20. Ampullaria}, undetermined ; magnified 12 diameters. From Zwartkop. 



Fig. 21. Ampullaria}, undetermined; magnified 10 diameters. From Zwartkop. 



Fig. 22. Natica Atherstoni, Sharpe ; natural size. From Zwartkop. p. 200. 



Fig. 23. Natica, undetermined; magnified 15 diameters. From Zwartkop. 



Fig. 24. Cylindrites } , undetermined; magnified 12 diameters. From Zwartkop. 



Fig. 25. Acteon}, undetermined ; magnified 8 diameters. From Zwartkop. 



Figs. 26, 27, 31, 35, 34, 37, 3S. Scales of Palceoniscus Bainii, Egerton : magnified 2 diameters. 

 From Styl Kranz. p. 226. 



Figs. 28, 29, 30, 32, 35, 36, 39, 40. Scales of PalcBoniscus sculptus, Egerton ; magnified 2 dia- 

 meters. From Styl Kranz. p. 226. 



Figs. 41 & 42. Fulcral scales from the base of the tail of Polceonisctis ; magnified 2 diameters. 

 From Styl Kranz. p. 226. 



