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Show 426 ON BUTTERFLIES FROM BRITISH EAST AFRICA. [Mar. 21, 53. ERETIS DJMLMLM, var. LUGENS Bogenh. Machako's, 3rd, 15th, and 28th May, 25th June and 10th July, 1898. " Perhaps the commonest butterfly met with singly-here, there, and everywhere." (R. G.) 54. ABANTIS PARADISEA Butler. Naugia, Kitwi, 4000 feet, 18th and 30th September, 1898. All the specimens were " taken perching on a straw protruding from the thatch of the house-roof (three of them) on a bright hot day at noon." (R. C.) 55. PYRGUS MACHACOANA, sp. n. (Plate XXV. fig. 6.) On the upper surface this species exactly resembles P. ferox (Wallgr.), but is slightly larger: on the under surface it differs in the elbowed creamy subapical transverse stripe on the primaries (which is straight m P. ferox) and in the less regular arched bands on the secondaries, the central white band being broader and abruptly drawn back at first median branch so as to impinge upon the olive-brownish band behind it, and from that point narrowed to half its width, the olive-browTnish discal band being abruptly widened into a sort of heel to fill the area thus left vacant; the submarginal white stripe is broken up into unequal spots, some of which are almost obliterated. In addition to these important differences, the white spots on both surfaces of the primaries are much purer than in P. ferox. Expanse of wings 31 millim. 6 , 2 2 , Machako's, 6th, 7th, and 26th June, 1898. " Fairly common; bluish emerald-green and pale grass-green ova." (R. C.) I hope Mr. Crawshay will send more examples of this pretty little Skipper-butterfly. 56. GOMALIA ELMA Trimen. Ngongo, 22nd August; Kikuvu, 11th September, 1898. " 2 . Bright green ova." (R. C.) 57. KEDESTES WALLENGRENI, var., Trimen. (Plate XXV. figs. 7, 8.) S 2 , Machako's, 3rd and 10th July, 1898. " 2 • Very large greenish-yellow ova." (R. G.) The specimens forwarded by Mr. Crawshay have two defined divergent white stripes on the under surface of the secondaries ; but a male sent by Mr. Marshall shows a second (though less well-defined) stripe, through the interno-median area ; thus forming a transitional grade. Mr. Crawshay's male shows very little white on the abdominal border of the secondaries, and has the discal yellow spots characteristic of the female well-marked. In this species the transparent spots which cross the middle of the primaries vary from four to six in number; both Mr. Crawshay's |