ILLUSTRATIONS. 



PLATES. 



PACING 

 PAGE 



1. Adult female Japanese turtle-dove, Turtur orientalis 24 



2. A, Adult European turtle-dove, T. turtur. 



B, Juvenal male Japanese turtle-dove, T. oriental ix 26 



3. A, Adult male owl-liomer hybrid, No. 2 and adult IVuialr 7'. lurliir ■ T. orientalis hybrid. No. S. 



B, Adult male owl-homer X 7'. turtur x T. nn< nlnhs li\ hud. N.i. ( ' _'. 



C, Adult female owl-homer X T. turtur x T. aruntnl,.^ hybiid, Xc. 1-: 1 28 



4. A, Expanded tail of normal Japanese turtle-dove, Turtur orientalis, No. 94. 



B, T. orientalis "mutant," No. 95 and normal No. 94. 



C, T. orientalis " nuitant," No. 95, profile view 42 



5. A, E.xpanded tail of juvenal "mutant" 7'. (frii iitnlis. No. 05. 



B, Expanded wings and tail of adoli'smil ■■iiiiit:iii( " 7'. .// /( /i(a/('s, No. 95 42 



6. A, B, Expanded wing and tail of normal T. m-n n/nlis. NO, ;i I. 



C, D, Juvenal "mutant" T. orieidalLs, No. 9S and parciit-s 44 



7. A, Adult male "mutant" T. orientalis. No. 108, female T. orientalis, No. 433, and two of their early normal 



offspring. 



B, Two partial "mutants" and one normal ofTspring of above parents. 



C, Last three "mutant " offspring of above parents 44 



8. A, Adult female white ring-dove, Streptupelia alba. 



B, Adult female blond ring-dove, St. risoria 68 



9. A-D, Adult female St. alba X T. orientalis hybrid No. 10 68 



10. Adult male T. orientalis X St. alba hybrid No. 15 68 



11. Adult female T. orientalis x St. aifca'hybrid, No. 27 68 



12. A-C, Adult male St. risoria x T. orientalis hybrid, No. 1 70 



13. Adult male T. orientalis X >S'(. risoria hybrid, No. 1 70 



14. A, Common pigeon parents called red-guinea and black-guinea. 



B, Adult pouter pigeons, Nos. 7 and S and two of their offspring 74 



15. A-D, Common pigeon, No. 5-E 2, with wing-bars whitened from early breeding of parents 94 



16. A, Adult homer pigeons and two of their light colored offspring Nos. H 1 and H 2. 



B, Two light-colored offspring, Nos. I 1 and I 2, of the above pair of homers 98 



17. A, Inbred juvenal gray pouters, Nos. C 1 and C2. 



B, Degenerate light-colored juvenal pouters, Nos. 8 and 9 100 



18. A, Adult gray pouters and an inbred juvenal offspring, No. J. 



B, Adult gray pouters, Nos. 4 and 0, and two of their color-modified offspring, Nos. E 1 and E 2 100 



19. Adult male mourning-dove, Zenaidnra carolinensis 114 



20. A, Juvenal male Zenaida-Zenaidura X Streptopelia risoria hybrid, No. ZZ-R 1. 



B, Adult male Zenaida X Zenaidura hybrid, No. ZZ 1 124 



21. A, Adult male Chinese red ring-dove, Stri jili'pi-iiii hum His. 



B, Juvenal male Chinese red ring-dove, .S7 Innndis. l> to 7 weeks old 148 



22. A, Juvenal female St. humilis X .S7. nsona liylui.l, No. M 1. 



B, Adult male jS(. humilis x St. risoria hybrid, No. C 2 148 



23. A, Adult male Fj generation humilis X risoria hybiid, No. D 1. 



B, Juvenal male Fj generation humilis X risoria hybrid, No. D 1, age 6 weeks 152 



24. Adult Surate turtle-dove, Spilopelia suratensis 156 



25. A, Adult male alba-risoria X risoria-alba hybrid, No. E 2. 



B, Adult male risoria-alba x suratensis hybrid. No. F 156 



26. A, Adult male complex alba-risoria-suratensis-humilis hybrid, No. TH7. 



B, Adult male complex risoria-suratensis-alba hybrid 158 



27. Adult male Senegal turtle-dove, Stigmatopelia senegalensis 162 



28. Adult male passenger pigeon, Ectopistes migratorius 166 



29. Adult female passenger pigeon, E. migratorius 166 



30. A, Adult male Mehpelia leucoptera X ring-dove hybrid. 



B, Adult male passenger pigeon X ring-dove hybrid 168 



31. A-D, neck-mark of Streptopelia risoria 170 



32. Neck-mark of a common pigeon x ring-dove hybrid 210 



