418 University of California Publications in Zoology [Vol. 11 



LEGEND 



\D Lcssthan SIX monttily collections 

 Si«toten montWy collections 

 I Complete series for one yeair 

 ■^ Complete series for tuio years 



Fig. A. — Map of California showing localities in which collections of 

 western meadowlarks have been made for the purpose of stomach exami- 

 nation. A complete series is a minimum of six birds collected each month 

 in a year. 



Table I, pages 416^17, gives a summarj' of the material 

 available. 



Examination of Stomach Contents 



On removing the stomach (gizzard) and tag from the cloth, 

 the stomach was carefully cut open, the incision being made with 

 a scissors along the longest axis and through the muscles, starting 

 at the cardiac opening, and the contents emptied upon a glass 



