Abstract EGGS containing two yolks are found frequently and have been described by numerous workers. In most instances a double-yolk egg is abnormally large and can further be distinguished by candling. Recently an egg was found on the growing range of the West Virginia Agricultural Experiment Station at Morgantown laid by a pullet hatched March, 1931. On candling, the entire inner area appeared dark, no outlines of yolk appearing as in a normal egg. On opening, the egg was found to contain three yolks, which so far as the author is aware, is very rare. The yolks weighed 8.0, 8.5, and 9.3 grams, totalling 25.8 grams. Unfortunately the albumen was lost by the assistant who opened the egg, but judging from the size of the shell this egg closely approximated the weight of an average hen’s egg. However, it will be observed that the total amount of yolk found in this . . .