U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 39 PL. 25 



Upper Teeth of Anarrhichas minor (After Steenstrup). 



Upper Teeth of Anarrhichas lupus, After Thornam (Gaimard). 



Mandibular Teeth of Anarrhichas lupus, After Thornam (Gaimard). 



