278 THE LIFE OF A BIRD. 



chicks by excessive heat, or retarding their de- 

 velopment by too low a temperature. Patience 

 and the avoidance of disturbing the apparatus 

 furnish the best remedy for this inconvenience. 

 By a little careful management the process can be 

 successfully conducted, and the development of 

 the chick may be watched all through its inter- 

 esting stages up to the perfection of its life in 

 the shell. 



