Page:GrouseinHealthVol1.djvu/138

68 summer day. The crop, it is true, is often found very full towards evening, and rarely so before noon; but this is only because in the evening the bird feeds more heavily in order to store up food for the hours of darkness, while

Total number of crop contents examined=399

during the daytime he seldom eats more than the digestive processes can deal with at the time. Hence during the early part of the day the food passes rapidly from the crop to the gizzard and on to the digesting tracts of