/ 



Jordan— Sharks' Teeth from California. 339 



Fig. 1, a to g. 



Fig. 1. — a. Carcharodon branneri, Jordan, b. Carcharodon riversi, Jordan. 

 r, Isurus planus, submedian tooth, Agassiz. d. Carcliarodon carcharias. L, 

 e. Isurus (?) glaucus, submedian tooth, M. and H. /. Isurus (?) glaucus, 

 Jateral tooth, M. and H. g. Isurus (?) glaucus, median tooth, M. and JL 



!! 



