No. 12. 



Aix sponsa. 



Adult male. Head and plume principally dark green and 

 purple, the green predominating above, the throat white ; a line 

 of white nmning back from bill over eye, another behind the 

 eye ; both these white streaks continued along the crest ; white 



No. 12. Adult Male. 



of throat branching upward as shown in picture. Lower neck 

 and the breast purplish chestnut, or maroon, with triangular 

 white spots. Belly white. Sides delicately waved with fine 

 lines of straw color and black, and separated from maroon of 



