_Nais_ occurs from Colorado to Mexico east of the Rocky Mountains. (6) =Lemonias palmeri=, Edwards, Plate XXVIII, Fig. 11, ♂ (Palmer's Metal-mark). _Butterfly._--Smaller than any of the preceding species. The ground-color of the wings is mouse-gray, spotted with white; on the under side the wings are whitish-gray, laved with pale red at the base of the fore wings. The white spots of the upper side reappear on the under side. Expanse, .75-.95 inch. _Early Stages._--These are, so far as they have been worked out by Edwards, quite similar in many respects to those of the preceding species. The range of the species is from Utah southward to Mexico. (7) =Lemonias zela=, Butler, Plate XXVIII, Fig. 17, ♂; Fig. 18, ♀ (Zela). _Butterfly._--The upper side of both sexes is delineated in the plate. On the under side the wings are pale red, marked with a few black spots, representing on the under side the markings of the upper side. Of these, the spots of the median and submarginal bands are most conspicuous. Expanse, 1.00-1.35 inch. (_a_) =Lemonias zela=, Butler, var. =cleis=, Edwards, Plate XXVIII, Fig. 19, ♂; Fig. 20, ♀ (Cleis). The pale variety, _cleis_, is sufficiently well represented in our plate to need no description. On the under side it is like _L. zela_. The species occurs in Arizona and Mexico. Genus CALEPHELIS, Grote and Robinson [Illustration FIG. 127.--Neuration of the genus _Calephelis_.] _Butterfly._--Very small, brown or reddish in color, with metallic spots upon the wings. Head small; eyes naked; antennæ relatively long, slender, with a bluntly rounded club. Palpi very short; the third joint small, pointed. The accompanying cut shows the neuration. _Early Stages._--Entirely unknown. (1) =Calephelis cænius=, Linnæus, Plate XXVIII, Fig. 16, ♂ (The Little Metal-mark). _Butterfly._--Very small, reddish-brown on the upper side, brighter red on the under side. On both the upper and under sides the wings are profusely spotted with small steely-blue metallic markings, arranged in more or less regular transverse series, especially on the outer margin. Expanse, .75 inch. _Early Stages._--The life-history is unknown. _Cænius_ is common in Florida, and ranges thence northward to Virginia and westward to Texas. (2) =Calephelis borealis=, Grote and Robinson, Plate XXVIII, Fig. 12, ♂, _under side_; Fig. 13, ♂ (The Northern Metal-mark). _Butterfly._--Fully twice as large as the preceding species. The wings on the upper side are sooty-brown, spotted with black, and marked by a marginal and submarginal series of small metallic spots. On the under side the wings are light red, spotted with a multitude of small black spots arranged in regular series. The two rows of metallic spots near the margins are repeated more distinctly on this side. Expanse, 1.15 inch. _Early Stages._--Unknown.