Bulletin . % I Plate XLVIIIPrairie Species Fig. 1. Conopid fly, Physocepliala tibialis, and side view of head. (Washburn, Rep. State Ent. Minn.)Fig. 2. Sciomyzid fly, Tetanocera plumosa, and profile of antenna. (After Wasliburn, 1. c.) Pi-ate XLVIII.

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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory