. The butterflies of the eastern United States and Canada [microform] : with special reference to New England. Butterflies; Butterflies; Papillons; Papillons. ,i4 1034 TIIK fiUTTEUFLIKS OF SVM KNGLANI). antenna; psilpi varying in stoutness, loniror tlinii tlio oyc, bnt never twice ns long, tlie l).isiil joint nsnally developed to iin extraordinary leiij!;tli, llic scaly clotliinf; coin- pressed in a vertical plane. I'rollioracic lobes niinnto, a very little Uiniid. Thorax not very stout, a little coin- prcssc'l; middle of tlio front of the mososcntoUnm not projecting; so far between the mesosc
. The butterflies of the eastern United States and Canada [microform] : with special reference to New England. Butterflies; Butterflies; Papillons; Papillons. ,i4 1034 TIIK fiUTTEUFLIKS OF SVM KNGLANI). antenna; psilpi varying in stoutness, loniror tlinii tlio oyc, bnt never twice ns long, tlie l).isiil joint nsnally developed to iin extraordinary leiij!;tli, llic scaly clotliinf; coin- pressed in a vertical plane. I'rollioracic lobes niinnto, a very little Uiniid. Thorax not very stout, a little coin- prcssc'l; middle of tlio front of the mososcntoUnm not projecting; so far between the mesoscuta as in I'apilloniiiae. much the larger portion remainin'; unenclosed and ex- tending broadly to one side and the other; metaseutelluni -carcely visible from above, beconiiuj; entirely vertical; nietascnta huve. tinuid tlirongliout. Fore wings usually l)road, often very broad (i)Ut in some, especially mimetic, species narrow), tin: apex rounded or angled, occasionally snl)ralcate; usually the tinter bor- der is slightly rounded or straiglit, occasionally sliglitly excised, never crennlate. Costal uervure tenuinatiug at the middle of the costal border or but little beyond it; subcostal uervure usually with three superior Ijrauches, of which generally bnt one Is emitted beyond the cell aiid is forked at tip; but this nervure is subject to extraonliuary variation ; sometimes there are but two branches, the terminal forked, sometimes three simple ones; sometimes the lower fork of the outer one itself divaricates, and even sometinu's (c. g. Leucophasia), the first (and (udy) l)rancli, arising beyond the cell (which in tins genus is excessively short) itself bears all the ollslioots. three in nnmlior; the simplest foruuda for this seems to be. that the sul)costal nervure gives rise to tliree superior l)ranches. the outermost branched ; liy a transposition of the branches from the main stem to one of the depen- daneies (as sometimes happens to a slight degree upon opposite
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbutterflies, bookyear
