Mr. Alfred Wailly, Tudor Villa, Norbiton, Surrey, England, is anxious to obtain speciments of the wild Silk-worms of all parts of the world for exhibition in the Department of Sericulture at the Paris International Exhibition of 1889. In order to make the exhibition as complete as possible, he wishes to obtain specimens of live cocoons, in large quantities or small, with names of food-plants for each species, whenever possible, and also specimens of the moths; any specimens went will be purchased or exchanged, as desired.