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. Am7noara7nus savannarum passe7-inus. Juvenal Plumage 

 tertiary, Sept. i6th (No. dZ). 



2. A?nmodramus savaiuiai'iim passei'inus. First Winter 



Plumage tertiary, Sept. 17th (No. 3468). 



3. Ajiunodramtis savannarum passerinus. First Nuptial 



Plumage tertiary, June 19th (No. 2904). 



4. Spinus tristis. First Winter Plumage tertiary, Jan. 13th 



(No. 6356). 



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



26th (No. 387). 



6. Tachycineta hicolor. Adult Winter Plumage tertiary, 



Aug. 24th (No. 6075). 



7. Tachycijicta bicolor. Adult Nuptial Plumage tertiary, 



May 1 2th (No. 749). 



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



(No. 536). 



9. Icterus galbula. First Nuptial Plumage tertiary, May 



15th (No. 627). 



10. Icterus galbula. Adult Nuptial Plumage tertiary, May 



17th (No. 2163). 



1 1 . Icterus galbula. First Nuptial Plumage, tip of rectrix, 



May 15th (No. 627). 



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



May 17th (No. 2163). 



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



Oct. 2d (No. 5146). 



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



July i6th (No. 3389). 



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



(No. 1237). 



16. Stmniella magna. First Winter Plumage tertiary, Oct. 



2d (No. 5146). 



17. Sturnella 7nagua. First Nuptial Plumage tertiary, July 



i6th (No. 3389). 



18. Ty7'an7ius tyran7ius. Juvenal Plumage, tips of first and 



second primaries, Aug. 30th (No. 6098). 



19. Tyra7i7ius tyran7ius. First Nuptial Plumage, tips of first 



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



20. Chelidon e7ythrogastra. Juvenal Plumage, lateral rectrix, 



Aug. 6th (No. 1991). 



21. Chelidon e7ythrogast7'a. First Nuptial Plumage, lateral 



rectrix. May 2 2d (No. 2185). 



(350) 



