. Butterflies. Vol. Lepidoptera. MYCALESIS. 57 underside of the hind wing, which is constant; but of the others only the males can be separated with any certainty by the shape, size, and colour of the secondary sex-marks on the underside of the fore wing. In the long series of females that I have examined, I have been unable to find a single constant character by which to distinguish one form from the other. Mr. de Niceville considered it probable that they interbred; in which case it is quite possible that there is only one form, of which the males possess varying secondary sexual char
. Butterflies. Vol. Lepidoptera. MYCALESIS. 57 underside of the hind wing, which is constant; but of the others only the males can be separated with any certainty by the shape, size, and colour of the secondary sex-marks on the underside of the fore wing. In the long series of females that I have examined, I have been unable to find a single constant character by which to distinguish one form from the other. Mr. de Niceville considered it probable that they interbred; in which case it is quite possible that there is only one form, of which the males possess varying secondary sexual characters, that are, however, constant in certain series. 53. Mycalesis perseus, Fabr. (Papilio) Syst. Ent. 1775, p. 488; M. fy de N. Butt. Lid. i. 1883, p. 120, pt.; Moore (Calysisme), Lep. Lid. i, 1890-92, p. 174, pi. 59, figs. 1, 1 a-1 d, & 2, 2 a-2e, 6 $ • Mycalesis blasius, Fabr. Ent. Syst. Suppl. 1798, p. 426; Butler, P. Z. S. 1867, p. 720, fig. 4 tf ; Moore (Calysisme), Lep. Ceyl. i, 1880, p. 21, pi. 11, figs. 2, 2 a, S ; M. $ de N. Butt. Tnd. i, 1883, p. 115, pi. 16, fig. 55 obscure, often merely indicated by black dots at the veins, occasionally bordered outwardly by an ochraceous diffuse band. Ocelli obso- lescent, but when present as mere minute dots their arrangement on the hind wing is as in the wet-season form. Antennae, head, thorax and abdomen brown; antennas sometimes cinereous white on the sides with the apex black. Male sex-marks in form 2, but. 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 Bingham, Charles Thomas, 1848-1908. London, Taylor and Francis; Calcutta and Simla, Thacker, Spink, & Co. ; [etc. ,etc. ]
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