explaj^ation of plate xli. 



Figure. 



1-11. Otodus appendiculatus, Agass. 



1. Anterior tooth. ; a. external surface ; b. side view ; o. internal surface. 



2-6. Common forms of the teeth. 



7,8. Median teeth. 



9-11. Posterior teeth. 



1 . Oppmanna. Hx coll. — Geological Museum, University, Lund. 



2, 3, 4, 5. Faxe. JEx coll. — Mineralogical Museum, University, Copenhagen, 



6. Faxe. JSx coll. — Zoological Museum, University, Copenhagen. 



7, 8, 9. Faxe. Jix coll. — Mineralogical Museum, University, Copenhagen. 



10. Annetorp. £x coll. — Geological Museum, University, Lund. 



11. Saltholm. Ex coll. — Collection of King Christian VIII., Copenhagen. 



12. Otodus Umhamnensis, Davis. 



la. External ; h. internal surface ; c. side view. 



Limhamn, Scania. JSx coll. — Eiksmuseum, Stockholm. 



13. Otodus ohliquus, Agass. 



13(1. External surface ; h. internal surface ; c. side view. 



Rugaard v. Grenaa, Steenberg. Ex coll. — Zoological Museum, University, 

 Copenhagen. 



14. Carcharodon rondeletti, Mull, and Henle. 



Faxe. Ex coll. — Mineralogical Museum, University, Copenhagen. 



[8J 



