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. Ammoarainns savaimanim passerinus. Juvenal Plumage 

 tertiary, Sept. i6th (No. 68), 



2. Amvwdramiis savannarut/i passerinus. First Winter 



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



3. Ammodraiiius sa^'annanim 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 bicolor. Adult Winter Plumage tertiary, 



Aug. 24th (No. 6075). 



7. Tachycineta bicolor. Adult Nuptial Plumage tertiary, 



May i2th (No. 749). 



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



(No.'536). 



9. Icterus galhula. First Nuptial Plumage tertiary. May 



15th (No. 627). 



10. Icterus galbula. Adult Nuptial Plumage tertiary. May 



17th (No. 2163). 



11. 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. Sturnclla magna. First Winter Plumage, breast feather, 



Oct. 2d (No. 5146). 



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



July i6th (No. 3389). 



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



(No. 1237). 



16. Stur?iella magna. First Winter Plumage tertiary, Oct. 



2d (No. 5146). 



17. Sturnella magna. First Nuptial Plumage tertiary, July 



i6th (No. 3389). 



18. Tyrannus tyrannus. Juvenal Plumage, tips of first and 



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



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



and second primaries, April 7th (No. 645S). 



20. Chelidon erythrogastra. Juvenal Plumage, lateral rectrix, 



Aug. 6th (No. 1991). 



21. Chelidon etythrogastra . First Nuptial Plumage, lateral 



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

 (350) 



