U. S. NATIONAL MUSEUM 



BULLETIN 36, PL. XLVII 



Fig. 1. NARWHAL. Male. 



Monodon monoceros Linn6. 



(From Bell's British Quadrupeds, 2d editicn, 1874, p. 435.) 



Fig. 2. NARWHAL. Male. 

 Monodon monoceros Linne 



(From Bell's British Quadrupeds, 2d edition, 1874, p. 439.) 



©P New York. 



Genus MONODON. 



