The natural history of British insects : explaining them in their several states, with the periods of their transformations, their food, oeconomy, &c together with the history of such minute insects as require investigation by the microscope : the whole illustrated by coloured figures, designed and executed from living specimens . C 57 ]PLATE XXVL F I G. CO MET A. GENERIC CHARACTER. An invirible, pellucid, Worm. SPECIFIC CHARACTER. Spherical, the fore part hairy, with an appendant globule, F I G, IL TRICHODA LONGICAUDA. SPECIFIC CHARACTER. Cylindrical, the firft part truncate


The natural history of British insects : explaining them in their several states, with the periods of their transformations, their food, oeconomy, &c together with the history of such minute insects as require investigation by the microscope : the whole illustrated by coloured figures, designed and executed from living specimens . C 57 ]PLATE XXVL F I G. CO MET A. GENERIC CHARACTER. An invirible, pellucid, Worm. SPECIFIC CHARACTER. Spherical, the fore part hairy, with an appendant globule, F I G, IL TRICHODA LONGICAUDA. SPECIFIC CHARACTER. Cylindrical, the firft part truncated, and fet with hairs. The taillong, with two joints, and terminated by two briftles. F I G. III. VORTICELLA TROCHiFORMIS NIGRA. GENERIC CHARACTER, A Worm, capable of contradling or extending itfclf, naked, withrotatory cilia. SPECIFIC black vorticella, K z This SS PLATE XXVL This fpecles of Vorticella appears, without the affiftance of a micro-fcope, as fmall black fpecks, fvvimming on the water, particularly inmeadows which are inundated. They are conflrantly in motion; andtwo fmall white hooks are perceptible by glafTes at i—i; by the helpof thofe it is fuppofed to fwimj or they may inclofe fome rotatory or-ffaoo The infect is opaque. PLATE ^7


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Keywords: ., bookauthordonovaneedward176818, booksubjectinsects, bookyear1792