98 HATCHING AND REARING 



ment of the yolks determines the frequency with which the 

 eggs will be laid (Fig. 60). 



The tube into which the yolk drops is called the oviduct; 

 it is the channel through which the egg passes from the 



'EgSf ready to he dropped 

 into the ainduci 



Enlarged funnel-shaped, 

 opening to the oviduci. 



Ezrsi alhumm-secreiiiw 

 section of the oviduct. 



•Second ctlbtunm secreting 

 section wiihegc/ 

 passing through. 



Third and 2asi aJbumin- 

 jecreting jeciion 



ShelJ- forming section 

 ■of the oviduct. 



Cloaca, the opening through 

 which the egg passes when 

 it is being laid 



Fig. 60. — The ovary and oviduct. 



ovary until it is laid. This oviduct is divided into two 

 separate parts; in one of which the albumen is added to the 

 ovum, and in the other the shell forming material is stored 



