442 



Uuifersitjj of California Publications in Zoology [Vol. li 



Some idea of the average numbers of the common insects, 

 grain, and weed seeds destroyed at each meal by western meadow- 

 larks can be obtained from the following tables, which were 

 computed from the results of stomach examination of birds col- 

 lected in Sacramento and Stockton, California. The average for 

 the dav is three times that for each meal. 



Number of Common Insects, Grain and Weed Seeds Destroyed by 

 Western Meadowlarks Collected at Sacramento, California 



9 

 10 

 11 

 12 

 13 

 14 

 Totals 

 Av. per 



February to April, inclusive 



Weed 



seeds 



61 



■ 5 

 bird 3 



September to Noveniber, inclusive 



60 

 61 



1.5.5 



6.5 



37 



3 



200 

 93 



