Common objects of the microscope [electronic resource] (1900)
Wood, J. G. (John George), 1827-1889, West, Tuffen, ill, Bousfield, E. C. (Edward Collins), b. 1855 · London : G. Routledge & Sons · leaf 169
IX APPLIANCES FOR CO 1.1ECT1NG 133 spot,— say, amongst a clump of weeds, or near thebottom, upside down, and then suddenly reversed,—will bring away samples of the inhabitants ofthe neighbourhood. When these are sparsely dis-tributed through the water, the latter may be con-centrated by the use of… … Fig. 15. coarse for many organisms. This net is immersedin the water so that the ring is just above thesurface, and one bottleful after another pouredthrough. The water strains off, the organisms areleft behind. The immersion is necessary to reducethe pressure to which delicate organisms…
Microscopy
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