Proc. Biol. Soc. Wash., Vol. 30, 1917. 



Plate I 



Breast feathers from Pedioecetes p. columbianus, campestris 



and jamesi. 

 No. 4980 P. p. columbianus 9 ad. Jan. 16, 1916. Aspen, Colo. 

 No. 4258 P. p. campestris $ ad. Jan. 28, 1915. Laird, Colo. 

 No. 4951 P. p. jamesi (Type) c? ad. Feb. 15, 1916. Castle Rock, Colo. 



