52 



BULLETIN 862, IT. S. DEPARTMENT OF AGRICULTURE. 



Table I. — Items of x^egetable food identified in the stomachs of the ducks treated in this 

 bulletin and the number of stomachs in ivhich found — Continued. 



Kind of food. 



Gad- 

 wall. 



Bald- 

 pate. 



Green- 

 winged 

 teal. 



Blue- 

 winged 

 teal. 



Cinna- 

 mon 

 teal. 



Pin- 

 tail. 



Wood 

 duck. 



Total number of stomachs examined 



417 



255 



653 



319 

 1 



41 



790 



413 



Subkixgdom SPER.MATOPHYTA— Continued. 

 Salicaceae. 







1 











1 



Myricaceae. 













6 















3 

 42 







7 



5 



4 



18 





3 



Juglandaceae. 



76 



Betulaceae. 















5 









5 



2 





















1 





Fagaceae. 









- 



3 

















1 

















5 

















2 

















2 

















1 

















8 



Urtieaceae. 















1 

















66 





1 













1 















1 

















3 









2 



1 



4 



34 











Polygonaceae. 

















2 

 3 



11 



2 

 27 



2 

 3 



7 

 23 



7 



Polygonum amphibium (water smartweed) 



24 

 1 





2 

 1 



2 

 2 



5 

 1 



2 

 2 



2 

 1 

 2 

 1 



6 

 2 



8 

 1 



12 

 10 



29 

 14 



3 

 9 



3 

 4 



7 

 22 







7 



1 



5 



29 



6 



4 



v 5 

 3 













10 

 31 



26 



7 



3 

 10 



1 



3 



1 



8 



Polygonum Tiydropiperoides (mild water pepper) 

 Polygonum lapafhifolium (dock-leaved smart- 



24 

 4 





10 



Polygonum pennsylvanicum (Pennsylvania 



4 





2 



Polygonum portoricense (dense-flowered smart- 













1 



10 

 22 



1 



Polygonum sagittatum (arrow-leaved smart- 



2 





11 

 16 



3 



8 





17 



