. Fig. 40. Wing of B. minor. vein issuing in a normal manner from the radial vein, it is forked and there are two cubital cells; four posterior cells as in the Anthra- cids, the first closed at some distance from the margin; anal cell narrowly open; the first basal cell longer than the second. At the

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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera