. Fig. 65. — Trachea (windpipe) of a pheasant showing gape worms (Syngamus trachealis) attached to the mucous membrane. (After Megnin.) Fig. 66. — A pair of Sy7igamus 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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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpoultry, bookyear1915