Neio and Rare Fossils. 71 



Fig. 56. — Trygon cf. nir/osiin, Probst sp. a. Anterior aspect of 

 tooth; h, posterior aspect; c, side view; d, upper sur- 

 face of tooth. Mallee Bore, No. 5, 163-175 feet, x 4. 



Fig. 57. — Myliohafis inoorahhinensis, Chapman and Pritchard. 

 Lower or articulated surface of tooth. Mallee Bore, 

 No. 10, 2-25-230 feet, x 2. 



Fig. 58. — (?) Chrysophrys sp. Rounded pavement tooth; with 

 crenulated basal margin. Mallee Bore, No. 8. 210- 

 219 feet. x 5. 



Fig. 55. — (?) Chrysophrys sp. Tooth with thickened basal maigin. 

 Mallee Bore, No. 3, 201-220 feet. x 4. 



