If the machine is deficient in any of these particu- 

 lars, do not use it, but get one that you can depend 

 upon. 



You will also remember- that eggs of various 

 breeds vary considerably in shell, some shells 

 being thin and porous, some thick, yet porous, 

 while others are thick and dense or hard, and still 

 others are hard and thin. 



The treatment of these various shells is of 

 importance, but will be discussed under the head 

 of " moisture." 



Chilling the eggs, especially during the last 

 part of the hatch or while chicks are breaking the 

 shell, causes many to die in the shell. See article 

 on testing eggs. 



Right here a little plain talk may be of some 

 value. 



In almost every poultry paper you will find com- 

 plaints and queries about chicks dying in the shell. 

 The correspondents, as a rule, wish, to know the 

 cause and the remedy. If the editor knows the 

 cause he does not hesitate to prescribe a remedy ; 

 but there is where the trouble comes in. If we call 

 in a physician to treat a case of illness,we give him 

 an exact history of the case and all the symptoms 

 and particulars ; otherwise he could not prescribe 

 to our advantage. 



Are all poultrymen careful to do likewise when 

 they ask advice from a poultry editor or expert, qr 

 incubator manufacturer ? 



We say no ! Many of them do not know, or fail 

 to mention the fact that a visitor " monkeyed ' ' with 

 60 



