Other Diseases of Chickens 



305 



3 



Fig. 65. — Trachea (windpipe) of a 

 pheasant showing gape worms 

 {Syngamus trachealis) attached to 

 the mucous membrane. (After 

 Megnin.) 



Fig. 66. — • A pair 

 of Syngamus 

 trachealis, at- 

 tached. (After 

 Megnin.) 



determining whether or not the worms are present in the 

 trachea. When chicks are dying from a disease supposed to 

 be gapes the trachea of a dead bird may be examined. If the 



