U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 39 PL. 23 



Cranium of Anarrhichas lupus, from 

 Above (After Steenstrup). 



Cranium of Anarrhichas minor, from 

 Above (After Steenstrup). 



/^- 



Cranium of Anarrhichas minor, from Side (After Steenstrup). 



