It is reported, and the report fast traveling through American agricultural papers, that if Indian corn be planted near grape-vines infested with Phylloxera, the insects in their fondness for maize, will even leave the grape-vine roots for this superior attraction. Should such a report be unfounded, it will be disastrous as leading grape planters to lean on a broken reed. To our mind, the instinct of preservation of the race, so highly developed in all insects, would not permit it to leave the roots of a perennial plant for these of an annual like Indian corn, but we leave the suggestion to Prof. Riley or other entomologist, who has made the habits of this insect a special study.