LIST OF ILLUSTRATIONS. 



PLATE I.— GuLo ixscus. 



Skull from above, below, and in profile. {Reduced.) 



II. — MUSTELA I'EXNANTI. 



Skull from above, below, and in profile. {Xafiind size.) 



III.— MUSTELA MARTES. 



Skull from above, below, and in profile. (NatiimJ size.) 



IV. — MuSTELA FOINA. 



Skull from above, below, and in profile, (yatural size.) 



v.— MUSTELA AMERICANA. 



Skull from above, below, and in profile. {Xatnral size.) 



VI. — PUTORIUS ERMINEA and P. VULGARIS. 



Figs. 1,S, .5, G, p. erminea, heads and tails. Figs. '2,4, P. vul- 

 garis, head and tail. {Natural size.) 



VII.— PUTORIUS NIGRIPES. 



Skull from above, below, and in profile. {Natural size.) 



VIII. — PUTORIUS FCETIDUS. 



Skull from above, below, and in profile. {Natural size.) 



IX. — PUTORIUS visox. 



Skull from above, below, and in profile. {Natural size.) 



x!— Mephitis mephitica. 



Skull of ordinary characters from above, below, and in pro- 

 lile. {Natural size.) 



XI. — Mephitis mephitica. 



Skull of large size from above, below, and in profile. {Natu- 

 ral size.) 



XII.— Mephitis (Spilogale) putorius. 



Two skins, to show the peculiar markings. {Much reduotd.) 



XIII.— Mephitis (Spilogale) putorius. 



Large old skull from above, below, and in profile. {Natural 

 size.) 



