PLATE IV 

 DWIGHT PLUMAGE AND MOULT 



Ca rpodacus parpureus. Photomicrographs illustrating some of the 

 plumages. (Enlargement about 20 diameters.) 



Fig. i. Juvenal Plumage, crown feather, showing loose struc- 

 ture. (J. Dwight, Jr., No. 1288, July 23d.) 



Fig. 2. First Winter Plumage, crown feather, nearly new. (J. 

 Dwight, Jr., No. 5223, Oct. lyth. ) 



Fig. 3. First Nuptial Plumage, crown feather which is identical 

 with a first winter feather plus wear, no moult inter- 

 vening. (J. Dwight, Jr., No. 260, April 23d.) 



(354) 



