PLATE II 



DWIGHT PLUMAGE AND MOULT 



Photograph of feathers, natural size, from birds of various species 

 illustrating some seasonal effects of moult and wear. The numbers 

 are those of male specimens in my collection. 



Fig. i. Ammodramus savannarum passerinus. Juvenal Plumage 

 tertiary, Sept. i6th (No. 68). 



2. Ammodramus savannarum passerinus. First Winter 



Plumage tertiary, Sept. iyth (No. 3468). 



3. Ammodramus savannarum passerinus. First Nuptial 



Plumage tertiary, June i9th (No. 2904). 



4. Spinus tristis. First Winter Plumage tertiary, Jan. 1 3th 



(No. 6356). 



5. Spinus tristis. First Nuptial Plumage tertiary, Aug. 



2 6th (No. 387). 



6. Tachycineta bicolor. Adult Winter Plumage tertiary, 



Aug. 24th (No. 6075). 



7. Tachycineta bicolor. Adult Nuptial Plumage tertiary, 



May i2th (No. 749). 



8. Icterus galbula. Juvenal Plumage tertiary, July 28th 



(No. 536). 



9. Icterus galbula. First Nuptial Plumage tertiary, May 



1 5th (No. 627). 



10. Icterus galbula. Adult Nuptial Plumage tertiary, May 



1 7th (No. 2163). 



11. Icterus galbula. First Nuptial Plumage, tip of rectrix, 



May i5th (No. 627). 



12. Icterus galbula. Adult Nuptial Plumage, tip of rectrix, 



May 1 7th (No. 2163). 



13. Sturnella magna. First Winter Plumage, breast feather, 



Oct. 2d (No. 5146). 



14. Sturnella magna. First Nuptial Plumage, breast feather, 



July 1 6th (No. 3389). 



15. Sturnella magna. Juvenal Plumage tertiary, July 7th 



(No. 1237). 



1 6. Sturnella magna. First Winter Plumage tertiary, Oct. 



2d (No. 5146). 



17. Sturnella magna. First Nuptial Plumage tertiary, July 



1 6th (No. 3389). 



1 8. Tyrannus tyrannus. Juvenal Plumage, tips of first and 



second primaries, Aug. 3oth (No. 6098). 



19. Tyrannus tyrannus. First Nuptial Plumage, tips of first 



and second primaries, April 7th (No. 6458). 



20. Chelidon erythrogastra. Juvenal Plumage, lateral rectrix, 



Aug. 6th (No. 1991). 



2 1 . Chelidon erythrogastra. First Nuptial Plumage, lateral 



rectrix, May 22d (No. 2185). 

 (350) 



