82



Dr. E. Hopkinson—Duck Hybrids



h. Mallard x Spotbill Duck.



And further crosses :


r. Mallard-Spotbill hybrid X Meller’s.


s. „ „ X Australian Wild Duck x


Meller hybrid.


t. „ ,, X Australian Wild Pintail.


u. ,, „ X Pintail x Wild Duck.


And further crosses up to


Mallard-Spotbill-Pintail trigen to 3rd generation.


M X S X P X Australian ^Vild Duck tetragen.


M X S X P X Australian Wild Duck X Mellers pentagen.

See Bonhote’s paper.



1 .


j-


k.



m.



n.



o.



P-



a.


b.


c.



Mallard X Gadwall.


This hybrid X Gadwall. ( Kinn .)


„ X Wigeon.


„ X American Wigeon (?).


,, X Teal. (Roth.)


„ x Pintail. (Roth., Kinn.)


,, x Chilian Pintail (Roth.)


„ X Shoveler.


„ X Red-crested Pochard.


,, X Egyptian Goose.


,, X Rosybill. (Roth.)


,, X Bahama Duck. (Kinn.)


And with males of the Dusky Duck, Australian Wild Duck,

Yellowbill, Gadwall, Wigeon, Teal, Pintail, Rosybill, Pochard,

Egyptian Goose, Shelduck, Asarcornis , and Muscovy.


Dusky Duck x Wild Duck.


„ ,, X This hybrid.


,, ,, X Yellowbill Duck.



And with the male Mallard and Yellowbill.


a. Australian Wild Duck x Meller’s Duck.


b. ,, ,, X Wild Duck. (Kinn.)


c. ,, ,, X Rosybill.


d. ,, ,, X Pintail.



