FOOD HABITS OF SHOAL-WATER DUCKS. 



61 



Table II. — Items of animal food identified in the stomachs of the ducks treated in this 

 bulletin and number of stomachs in which found — Continued. 



- Kind of food. 



Gad- 

 wall. 



Bald- 

 pate. 



Green- 

 winged 

 teal. 



Blue- 

 winged 

 teal. 



Cinna- 

 mon 

 teal. 



Pin- 

 tail. 



Wood 

 duck. 





417 



255 



653 



319 



1 

 1 



41 



790 



413 



Class Insecta— Continued. 

 Order COLEOPTERA— Continued. 

 Carabidae (ground beetles)— Continued. 





















1 



1 























1 

 1 

























1 



1 





1 













2 













1 

















1 











1 



















1 













1 

 1 





















Haliplidae (crawling water beetles). 







4 





1 















2 











1 

 2 



















1 

 1 



1 

























1 

















1 











1 

















1 















4 



8 

 3 



1 







Dytiseidae (predacious diving beetles). 



3 



2 



22 



2 



4 

 3 

 1 

 1 



2 



1 



9 





1 































1 





























1 









1 



2 















1 













1 



1 

 2 















1 













1 















1 

 1 



























1 















2 



1 



1 











1 

 1 































2 











1 



1 



1 











1 





