the air which passes up the lamp flues into the 

 heater never comes in contact with the eggs, but 

 keeps passing out the vents and valves of the 

 heater itself. 



The temperature of the water in the hot water 

 tank would be about the same if said tank was 

 the same distance above the eggs. 



It does not require a profound intellect to com- 

 prehend this, and persons who are deceived in the 

 matter owe it to their own carelessness. 

 * If hot air is foul air, why do not some of those 

 wise fellows try cold air in the egg chamber of 

 their incubators? 



The man who spoils his own affairs through 

 ignorance has our sympathy, even if he does not 

 deserve any ; but the man who undertakes to in- 

 struct others in matters which he does not at all 

 comprehend, is almost a rascal. 



The writer of a book for poultry raisers, pub- 

 lished within the last three or four years a man 

 who poses as an expert in artificial hatching, and 

 charges for his advice, says, in explaining his 

 preference for hot water incubators over hot air 

 machines : 



" The reason for this, to our mind, is that the 

 hot water gives more of a moist air, etc." 



We expect to hear of this man writing a book 

 for farmers, advising the use of butterflies and 

 grasshoppers the butterflies to make butter and 

 the grasshoppers to make grass. 



The advantage of the hot water tank in the 

 incubator is, that when the water in the tank is 

 24 



