Recently work on several series of experiments, conducted over a period of five years at the North Carolina Experiment Station, have been completed. The following summary and conclusions seem justified at this time.Cotton seed meal contains a substance called gossypol. This gossypol contains two pigments, one a brownish resinous substance, and another a yellowish crystalizable substance.The pigment of gossypol is stored, to a more or less extent, in the fat the yolk of eggs by those hens consuming the meal. Some hens have a tendency to store more than others. These brownish-yellow yolks are objectionable to the consumers, though they are perfectly wholesome so far as our knowledge goes, but are thought to be spoilt by said consumer.Gossypol to the amount contained in one ounce of cotton seed meal, consumed daily by adult fowls, produces injurious effects as pendulous crops, depraved appetite, the latter leading to the …