550 



354 





Fio. 34S Heron. 



349 LiTTi,E Bittp;rn. 



350 BiTTKRN. 



;si (.'yREv Lac-Goose. 



Fig. 352 Mute Swan. 



353 Common Sheld-Duck, 

 353a Down. 



354 Mallard or Wild Duck. 

 354a Down. 



I"iG. 355 Gadwall. 



3553 Down. 



356 Shoveler 



356a Down. 



