88 PRESERVATION OF EGGS. 



the same purpose, but I do not know with 

 what success. 



In some parts of the South of Europe 

 eggs are preserved by dipping them for 

 twenty seconds in boiling water, and then 

 keeping them well dried in finely-sifted 

 ashes. This, however, gives them a gray- 

 ish green colour. 



By the lime-water process, eggs have been 

 kept perfectly sweet for two years. 



CHAPTER VI. 



Incubation. Anatomical Changes in the Egg during that Peri- 

 od. Artificial Hatching. Chinese. Egyptian Method. 

 French. The Eccalebeion. More curious than useful. 

 End of Incubation. 



WHEN a certain number of eggs has been 

 laid, the hen shows an inclination to sit 

 This appears to be a blind instinct, for she 

 will sit upon one egg or twenty, upon a 

 piece of chalk, or a stone ; and if fresh eggs 

 are supplied, she will sit for six weeks. 



