Tlatr 2G 



Uppcn- : Tail- nf adnlt vndily ducks. Lake Maiiitnlin. Manitoba. July. T.>12. 

 Lower: Xc^-t and ou^s i>\' ruddy duck, same lucaliry. July s. 11112. I'.oih 

 photographs iireseiitcd by Mr. Ilci-bci-t K. Job. 



337 



