PLATE IV 



^^m^ 



13 



14 





16 



17 



18 



PARTRIDGES. 



13. Scaled-partridge. 

 15. Gambel's Partridge. 

 17. Bob-wiiite. 



14. California Partridge. 



16. California I\Iouiitaiii Partridge. 



18. Massena Partridge. 



