Fig. 8 is seen with shell partly removed, or with 

 the egg broken into a saucer. 



Fig. 9 shows appearance on ^seventh to eighth 

 day. 



Fig. 10 represents the tenth day, when eggs 

 should be tested the second time. 



Fig. 1 1 shows the development on the fourteenth 



day. Notice the increased air space at the different 

 stages. 



Fig. 12, the sixteenth day. 



Fig. 13, the eighteenth day, the yelk being 

 nearly absorbed. 



Fig. 5 shows the egg from the nineteenth to the 

 twentieth day, when the chick is breaking the 

 shell. At this stage the yelk should be entirely 

 absorbed. The chick turns around in the shell, 

 breaking as it goes. 



49 



