334 Bulletin American Museum of Natural History. [Vol. XIV. 



4. Mephitis elongata (Bangs). 



5. Mephitis mesomelas (Licht.}. 



6. Mephitis mesomelas avia (Bangs}. 



7. Mephitis mesomelas varians (Gray}. 



8. Mephitis estor Merriam. 



9. Mephitis occidentalis Baird. 



10. Mephitis occidentalis spissigrada (Bangs). 



11. Mephitis occidentalis notata (Hoivell}. 



12. Mephitis occidentalis major (Howell}. 



13. Mephitis occidentalis holzneri Mearns. 



14. Mephitis platyrhina (Howell). 



SUBGENUS Leucomitra HOWELL. 



15. Mephitis macroura Licht. 



16. Mephitis macroura milleri (Mearns). 



17. Mephitis macroura vittata (Licht.}. 



