The Question Sign. This butterfly is easily determined by its large size; the wings are peculiarly shaped; it is bright brown on the upper side, spotted but edged with darker brown and pale blue. This is a common butterfly of the Middle States and is often found in the early spring. The Red Admiral. This is a common butterfly found throughout North America. It derives its name from the red on its fore wings and the red border on its hind wings. The Thistle Butterfly. Wherever thistles grow may be found "The Painted Lady," and Dr. V. J. Holland in his Butterfly Books says, "This is undoubtedly the most widely distributed of well-known butterflies. It is found in almost all regions of the earth and in many tropical lands in both hemispheres." The food plants of the caterpillar are thistles. The Buckeye. On both the upper and lower sides of the fore and hind wings are eye-like spots. It is a common butterfly in the South, but is occasionally found as far North as New England. These butterflies will fight other passing butterflies. The Painted Purple Butterfly is easily distinguished because of its broad white bands across both wings. The Blue Butterflies, the Copper Butterflies and the Hair-streaked Butterflies are small insects, many of which are characterized by the bright blue of the upper side of the wings; in other forms the copper color prevails. Hair-streaked Butterflies often have small tails on their horned wings. The Sulphur Butterflies and Whites are medium-sized or small butterflies, white or yellow in color, having dark edgings. The common white butterfly is easily classified by its pure-white color of the under-side white wings. The Cabbage Butterfly is a common insect familiar to all. Much good sauerkraut material is spoiled by its ravages. Orange Tipped Butterflies. This is a large species of pretty butterflies. The Swallow-tail Butterflies are generally large butterflies with the hind wings tailed. The Ajax is one of the most beautiful of the butterflies. Its wings are streaked with brown and white, with red and blue spots near the tail on the hind wings. The Tiger Swallow Tail seems to be fond of the woodlands of Pennsylvania, Virginia, Carolina, Kentucky and Tennessee. The common Eastern swallow-tail is bright yellow and black, and found all over the Atlantic States. The Wood Nymphs are butterflies of moderate size with eye-like spots on their wings, the wings being tawny brown or gray. We have endeavored to give our boy readers a brief description of some of the most beautiful and some of the most common butterflies of the United States. There are thousands more. MOTHS.