PLATE III 



Fig. 1 a & b. View of the masticating and outer surfaces of the first right lower 

 premolar ; anterior surface on the riglit side of plate. 



Fig. 2 a & b. View of the masticating and outer surfixces of tlie second right lower 

 premolar ; anterior surface on the right side of plate. 



Fig. 3 a tt b. View of the masticating and outer surfaces of the second left lower 

 premolar ; anterior surfaces on the left side of plate. 



Fig. 4. View of the masticating surface of the right upper premolar and the right 

 upper molar ; anterior surface on the right side of plate. 



Fig. 5 a & b. View of the masticating and outer surfaces of the left lower 

 molar ; anterior surface on the left side of plate. 



Fig. <> a & b. View of the masticating and inner surfaces of the left upper 

 molar ; anterior surface on the left side of plate. 



Fig. 7 a Si, b. View of the masticating and convex surfaces of the specimen from 

 the province of Izumo. 



All figures in natural size. 



