Victorian Fossils. 17 



Also plate ix. title— for " Michelina " read " Michelinia." 

 Plate X. title — for " Michelina," read " Michelinia," and for 

 " Romingera," read " Romingeria." 



EXPLANATION OF PLATES. 



Plate I. 



Fig. 1. — Ostrea ingens, Zittel. Interior of left or lower valve. Miocene 

 (Janjukian), Waurn Ponds, Geelong, Mulder coll., circ. 

 two-thirds natural size. 



„ 2. — 0. ingens, Zittel. Exterior of same specimen. Circ. two-thirds 

 natural size. 



„ 3. — Neotrigonia hednalli, Verco var. Left valve. Lower Plio- 

 cene (Kalimnan). Macdonald's, Muddy Creek, Pres. J. H. 

 Young. Slightly enlarged. 



,, 4. — Plicatula youngi, sp. nov. Exterior of right valve. Oligo- 

 cene (Balcombian). Clifton Bank, Muddy Creek. Coll. J. 

 H. Young. Slightly enlarged. 



,, 5. — P. youngi, sp. nov. Interior of right valve of same speci- 

 men. Slightly enlarged. 



„ 6. — Plicatula dennanti, sp. nov. Exterior of right valve. Oil- 

 gocene (Balcombian), Lower Beds, Muddy Creek. Coll. by 

 J. Dennant. Slightly enlarged. 



„ 7. — P. dennanti, sp. nov. Interior of a left valve. Oligocene 

 (Balcombian), Lower Beds, Muddy Creek. Coll. J. Dennant. 

 Slightly enlarged. 



„ 8. — Plicatula hrevispina, sp. nov. Exterior of right valve, Oligo- 

 cene (Balcombian), Lower Beds, Muddy Creek. Coll. J. 

 Dennant. Slightly enlarged. 



Plate II. 



Fig. 9. — Hinnites mulderi. sp. nov. Left valve. Miocene (Jan- 

 jukian). Batesford, near Geelong. Pres. J. F. Mulder. 

 Nat. size. 



„ 10. — H. mulderi, sp. nov. Interior of left valve of same specimen. 

 Nat. size. 



„ 11. — Spondylus haileyana,- sp. nov. Left valve. Lower Pliocene 

 (Kalimnan), Beaumaris, Port Phillip. J. F. Bailley coll. 

 Nine-elevenths nat. size. 



„ 12. — Diplodonta harrisi, sp. nov. Left valve. Miocene (Jan- 

 jukian), Torquay, near Geelong. Pres. by W. J. Harris. Nat. 

 size. 



„ 13. — Turbo grangensis, Pritchard. Umbilical aspect. Lower 

 Pliocene (Kalimnan). Grange Burn, near Hamilton. Den- 

 nant coll. Slightly enlarged. 



„ 14. — T. grangensis, Pritchard. Same specimen, lateral view. 

 Dennant coll. Slightly enlarged. 



„ 15. — Astralium (Imperator) hudsonianum, Johnston. Miocene 

 (Janjukian). Rose Hill, near Bairnsdale. Pres. F. A. Cud- 

 more. Slightly enlarged. 



