INCUBATION OF AN EGG 



tion of blood, its ceaseless rythmic heart action, its 

 power of locomotion, and, most wonderful of all, the 

 faculties of sensation, perception and volition. It is 

 no longer merely an organism, curiously and elabo- 

 rately made, but subject utterly to the outside influence 

 of foreign causes, or the controlling action of wind or 

 weather, as plant life has been. It is an independent 

 being, with its pains and pleasures, its fears and 

 hopes, its likes and dislikes, its sorrows and its affec- 

 tions. The love and devotion that the mother-fowl 

 shows in watching, caring for and defending her 

 helpless brood has rendered her typical of a mother's 

 love. The courage, fierceness and fortitude of the 

 other parent, in his battle to the death with his 

 feathered rivals, has made him as proverbial for his 

 qualities, and yet these and all other manifestations of 

 animal life laid dormant within its shell, without 

 more than the potency of living, until the vivifying 

 influence of the light and heat of the Ether for 

 twenty-one days gave it life and woke it into being. 



The changes that we can readily observe in the 

 growth of the bird within its shell almost from its 

 first conception, are almost identically the same in the 

 growth of the vivipara, but, of course, are hidden 

 from our sight during the mother's life; the parent 

 giving within itself, hour by hour, and day by day, 

 the nourishment that is requisite, and that is pre- 

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