. Fig. \2.—Blepharocera (after Kellogg). consists merely of the folds or creases in the wing which have not been obliterated after emergence from the pupal stage. They frequent small rocky streams in woods in hilly and mountainous countries. The eyes exhibit very characteristic pecuharities and have been

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdiptera, bookyear1912