Science Gossip . 7). They 264 SCIENCE- G OSSIP. are found on the mountain ranges of Turkestan atelevations of 9,000 to 10,000 ft. 17. P. delphius Eversm. Bull. Mosc. 1843. 54—58 mm. Aust. Parn. p. 71, pi. 17, fig. 1. Wings dull white, with a yellowish tinge. two black costal spots, the third external oneindistinct. Central area more or less powdered withblack scales. Marginal transparent bands well de-fined. No spot near an. ang., or at most a veryslight ill-defined trace of it. with the ground colour clear in central broadly black, more intensely in some specimensthan


Science Gossip . 7). They 264 SCIENCE- G OSSIP. are found on the mountain ranges of Turkestan atelevations of 9,000 to 10,000 ft. 17. P. delphius Eversm. Bull. Mosc. 1843. 54—58 mm. Aust. Parn. p. 71, pi. 17, fig. 1. Wings dull white, with a yellowish tinge. two black costal spots, the third external oneindistinct. Central area more or less powdered withblack scales. Marginal transparent bands well de-fined. No spot near an. ang., or at most a veryslight ill-defined trace of it. with the ground colour clear in central broadly black, more intensely in some specimensthan in others ; thus approaching var. band well defined, the narrow ante-marginalband sometimes containing some black spots and ter-minating in one or two isolated round black spots, witha few blue scales in their centres. Costal and centralspots well defined, but not large; the red colour of thecentre is not very brilliant, but rather inclines toyellow or orange. Ground colour of °. wings some-. P. clarius. what whiter than in $ , and less powdered with with a spot at an. ang. indistinctly markedwith red. Abdominal pouch light of antennae lighter than in <?. inboth sexes with two dull basal red spots and onenear an. ang. ; these are absent in some specimensfrom the eastern portion of the range, or else veryindistinctly defined ; but in those from the neighbour-hood of Kokand and other localities in Turkestanthey are quite plainly marked. Hab. Songaria (Tarbagtai, Tianchan, Ala-tau),Turkestan (Kokand). VII., VIII. In proximityto glaciers and perpetual snow. R. and H. a. var. infemalis Stgr. This variety differs fromthe type in the increased intensity of the darkmarkings, but chiefly in the extension of the blackbasal patch on the , which reaches as far as thered-centred spots, themselves being larger than inthe type ; the two spots near the anal angle are alsolarger. We may consider this form as a melanic vari


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