. Fig. 21. Sketch showiiiy method of introducing turpentine directly into crop. (After Gage and Opperman.) and giving pills. The open end of the catheter may be in- serted into a rubber bulb having one opening. Just sufficient air should be expelled from the bulb, so that the dose of medicine will be sucked up without being followed by much air. The bird's head is then brought in a line with the neck, which is extended, the catheter is passed carefully to the

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpoultry, bookyear1915