260 



Diseases of Poultry 



Fig. 57. — Oviduct removed from a laying bird and out open along the point 

 of attachment of the ventral ligament. It is opened back, showing the 

 characteristic glandular regions. A, funnel; B, albumen-secreting re- 

 gion ; X, isthmus ring ; C, isthmus ; D, shell gland ; and E, vagina. 

 (Original.) 



