Recently we received for examination a mass of roots of Shepherdia argentea, in which the smaller roots were completely necklaced with the numerous " beads " about the size and appearance of grains of wheat. Cutting them across, and examining with a lens, expecting to find a minute egg or "worm" in the centre, no trace of insect work could be discovered. Supposing that what is not animal must be vegetable, they were turned over to the eminent specialist in minute fungi, Mr. J. B. Ellis, of Newfield, New Jersey, who reports that there was no trace whatever of fungi, and no doubt eggs of some insect would be found, though he failed to detect any. They were then sent to Prof. Riley, with the following reply: