[ 43i 3 



Genus XCII. DUCK. 



N* I. Whittling Swan. 



N°24. 



Bering G. 



2. Mute Sw. 



2 5- 



Gulaund Duck. 



3. Black-necked Sw. 



26. 



Bernacle. 



4. Loggerhead Goofe. 



27. 



Brent. 



5. Buftard G. 



28. 



Blue-winged G. 



6t Variegated G. 



29. 



Eider D. 



7. Antarctic G. 



3°- 



King D. 



8. Magellanic G. 



3'- 



Mufcovy D. 



9. Painted G. 



32. 



Rufous-necked D. 



10. Snow G. 



33- 



White-headed D. 



1 1 . Great G. 



34- 



Georgia D. 



12. Chinefe G. 



3S- 



Black D. 



Var. A. 



36. 



Scoter D. 



13. Black-backed G. 



37- 



Velvet D. 



14. Canada G. 



38. 



Harlequin D. 



15. Spur-winged G. 



39- 



Brown D. 



16. Egyptian G. 



40. 



Spotted-billed D. 



Var. A. 



41. 



Damietta D. 



17. Red-breafted G. 



42. 



Nilotic D. 



18. Ruddy G. 



43- 



Mallard. 



19. Grey-headed G. 





General Variety. 



20. Mountain G. 





Var. A. 



21. Grey Lag G. 





,Var. B. 



Var. A. Tame G. 





Var. C. 



22. White-fronted G. 





Var.D. Hook-billed. 



23. Bean G. 



44. 



Curve-billed D. 



N' 45. Super- 



