. How to know the butterflies; a manual of the butterflies of the eastern United States. Butterflies. P'ic. 46.—Martial's dusky- wing. at a considerable distance from the tip (Fig. 46), and vein M„ of the fore wings retains its primitive position midway be- tween veins Ml and M3 or is nearer to vein M, than to M3 at base (Fig. 47). But the most distinctive fea- ture of the subfamily is exhibited by the males alone, and is lacking in some species. It consists of a fold in the fore wing near the costal mar- gin, which forms a long, slit-like pocket, containing a sort of silky down. This, like th
. How to know the butterflies; a manual of the butterflies of the eastern United States. Butterflies. P'ic. 46.—Martial's dusky- wing. at a considerable distance from the tip (Fig. 46), and vein M„ of the fore wings retains its primitive position midway be- tween veins Ml and M3 or is nearer to vein M, than to M3 at base (Fig. 47). But the most distinctive fea- ture of the subfamily is exhibited by the males alone, and is lacking in some species. It consists of a fold in the fore wing near the costal mar- gin, which forms a long, slit-like pocket, containing a sort of silky down. This, like the brand of the males of the preceding subfamily, is a scent-organ, tubular scales, the androconia, that are the outlets of scent glands, opening into it. When the pockets are tightly closed it is difficult to see them ; Plate XLV, Fig. 6, represents a spec- imen in which they are open. Nearly eighty species be- longing to this subfamily have been found in Amer- ica north of Mexico. Those that occur in the East, ex- , . , . cept a few rare ones and a Fig. 47.—Venation of the wings of ' Epargyreus liiynts. few Southern forms, are 289. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. New York, D. Appleton
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbutterf, bookyear1904
