ATLAXTIC WALRUS fXos. r,, 7, 0) 

 (Odobaenus rosmarus) 

 6. Small male. Smith Sound, 1907. Xa- 7. Female. Xational collection (E. P. 



tional collection (John R. Bradley). Tusks Larned). Length, 26; circ, 4|. 

 from gum, 16; circ, 6J. 



8. Pacific walrus (small) for comparison 9. Male. National collection fHarry 



■with Atlantic variety. Whitney). Length, 24^; circ, 7^. 



