EXPLANATION OP PLATE XXXVIII. 



Figure 

 1, 2. Pfychodiis decurrens, Agass. 



1. Annetorp. Ex coll. — Riksmuseum, Stockholm. 



2. Oretorp. Ex coll. — ,, ,, 



3. Ptychodm mammillaris, Agass. 3«. Side view. 



Annetorp. Ex coll. — Riksmuseum, Stockholm. 



4-7. Notidanus microdon, Agass. 



4,5. Teeth of the upper jaw. 4«. Enlarged. 

 6,7. Teeth from lower jaw. Qa. Enlarged. 

 4, 5, 6. Malmstrom. Ex coll. — Geological Museum, XJnivcrsity, Lund. 

 7. Limhamn. Ex coll. — Riksmuseum, Stockholm. 



8. Notidamis dentatus, Smith "Woodw. 



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



9. Scyllmm planum, Davis, f. 



Terkild-Skov. Ex coll. — Mineralogical Museum, University, Copenhagen. 



10-13. Scapanorhynchus tenuis, Davis. 



10. Tooth ; a. internal surface, enlarged f ; h. side view. 



11. Median tooth ; a. internal surface, enlarged f. 



12. Posterior tooth, natural size. 



Oretorp. Ex coll. — Riksmuseum, Stockholm. 



14-17. Scapanorhynchus latus, Davis. 



14. Anterior tooth ; a. external surface ; h. side view ; c. internal surface. 

 Enlarged t- 

 15, 16, 17. Other specimens. 



Oretorp. Ex coll. — Riksmuseum, Stockholm. 



18-20. Scapanorhynchus gracilis, Davis. 



18rt. Internal surface ; h. side view ; c. external surface. Natural size. 

 Annetorp. Ex oo/^.^Geological Museum, University, Lund. 



21—24. Odontaspis acuta, Davis. (All natural size.) 



21. (?. External surface ; h. side view ; c. Internal surface. 

 23. a. External surface ; b. side view. 



21. Annetorp. Ex coll. — Geological Museum, University, Lund. 



22. Oppmanna. Ex coll. — ,, ,, ,, ,, 



23. Stevns. Ex coll. — Miaeralogioal Museum, University, Copenhagen. 



24. Faxe. Ex coll. — ,, ,, ,, ,, 



25. Odontaspis acutissima, Agass. 



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



26. Odontaspis faxensis, Davis. 



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



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



27, 28. Odontaspis hopingensis, Davis. 



a. External surface ; b. side view ; c. internal surface. 



27. Kopinge. Ex coll. — Miaeralogical Museum, University, Copenhagen. 



28. Saltholm. Ex coll. — Riksmuseum, Stockholm. 



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