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| Christina Sulphur (Colias christina christina), male. Waterton Lakes, Alta. 6.VII.23 J. McDunnough | Orange Sulphur (Colias eurytheme), male. Miniota, Man. 6.IX.96 |
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| Booth's Sulphur (Colias tyche boothii), male. Baker Lake, Nun. 7.VIII.47 T.N. Freeman | Hecla Sulphur (Colias hecla hecla), male. Firth River, YT. 20.VII.56 E.F. Cashman |
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