. An account of British flies (Diptera). Diptera -- Great Britain. NEMATOCERA. 45 stood. The horny parts consist of a ring with two backwardly-pro- jecting processes, with a soft and fleshy labium passing through it. There are also two 2-jointed appendages above, the palpi of Ratzburg and the antennce of Osten-Sacken. On the under side of the larvs we at once notice a curious, horny appendage. This is called in America the " breast-bone," and in England the "anchor-process" (Fig. lo). It is situated at the junc- tion of the supernumerary and first thoracic segment. This app
. An account of British flies (Diptera). Diptera -- Great Britain. NEMATOCERA. 45 stood. The horny parts consist of a ring with two backwardly-pro- jecting processes, with a soft and fleshy labium passing through it. There are also two 2-jointed appendages above, the palpi of Ratzburg and the antennce of Osten-Sacken. On the under side of the larvs we at once notice a curious, horny appendage. This is called in America the " breast-bone," and in England the "anchor-process" (Fig. lo). It is situated at the junc- tion of the supernumerary and first thoracic segment. This appendage varies in the different species ; the base is buried in the first thoracic segment, the elongated stem of the process ends in various forms, some being toothed and some Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Theobald, Fred. V. (Frederick Vincent), 1868-1930. London : E. Stock
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherlondo, bookyear1892
