Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] - in cu2 cu1 FIG. 458. Venation of a cecidomyiid gall-gnat (After Comstock) 4+G in 1*2 FIG. 459. Venation of a fungus-gnat {Mycetophilidae} (After Winnertz, adapted from Comstock)

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