. The butterflies of the eastern United States and Canada [microform] : with special reference to New England. Butterflies; Butterflies; Papillons; Papillons. 1420 THE BUTTERFLIES OF NEW delicately uncinate; clasps mnch broader in the middle than at the base, by the great extension of the upper lobe, the clasp broadening to form it as far as the middle, then remaining of uniform breadth for a short distance, and then narrowing at once to con- siderably less than half its width, by the excision of the upper edge; the lobe thus formed is well rounded at the npper posterior angle, and r
. The butterflies of the eastern United States and Canada [microform] : with special reference to New England. Butterflies; Butterflies; Papillons; Papillons. 1420 THE BUTTERFLIES OF NEW delicately uncinate; clasps mnch broader in the middle than at the base, by the great extension of the upper lobe, the clasp broadening to form it as far as the middle, then remaining of uniform breadth for a short distance, and then narrowing at once to con- siderably less than half its width, by the excision of the upper edge; the lobe thus formed is well rounded at the npper posterior angle, and rugose; beyond the lobe the narrowed clasp is regularly and pretty strongly arcuate upward, of nearly equal width, excepting a basal narrowing and a slight tapering throughout, is nearly four times as long as broad, and terminates, when directed upward, by a mass of minute prickles outwardly, and a long and slender, tapering, pointed spine, curving forward so as to touch the posterior angle of the upper lobe, and inclined at the same time a little inward. Measurements in millimetreB. 1 MALES. FEMALES. Length of tongue, 15 mm. Smallest. Average. Largest. Smallest. Average- Largest. LeDffth of f ore wines ..i 21. 6. 22. 23. .. bind tibiae and tarsi., fore tibiae and ..' ... Described from0 S,i 9. Accessory sexual peculiarities. The costal fold of the fore wing of the male encloses several kinds of scales: first, a chain-bristle,; flagellate at tip (47; 2c) com- posed or from three to six links, each about .04 mm. in length; second, of rod-like, granular scales, equal except for the slightest possible spatulate enlargement at the tip, about half as long again as one of the links of the chain-bristle, and of the same relative slendemess; third, of large, thin scales, apparently of a granular structure, but really with an excessively fine striation, having various shapes, but generally
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbutterflies, bookyear
