Diseases of poultry; their etiology, Diseases of poultry; their etiology, diagnosis, treatment, and prevention diseasesofpoultr00pea Year: 1915 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

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