. Journal of applied microscopy and laboratory methods. le. It admits of microscopical observation. It con-sists of a long U of large, close fibered darning cotton, whichhas been previously moistened and placed between two thinslides. The cotton is so placed that the U is two-thirds thelength of the slide, and that its ends barely project beyond theparallel ends of the slides, which are held together with rubberbands. If it is desired to examine with a higher power of themicroscope, a cover-glass may be substituted for one of theslides, but in this case narrow strips of slides should be laidov


. Journal of applied microscopy and laboratory methods. le. It admits of microscopical observation. It con-sists of a long U of large, close fibered darning cotton, whichhas been previously moistened and placed between two thinslides. The cotton is so placed that the U is two-thirds thelength of the slide, and that its ends barely project beyond theparallel ends of the slides, which are held together with rubberbands. If it is desired to examine with a higher power of themicroscope, a cover-glass may be substituted for one of theslides, but in this case narrow strips of slides should be laidover the cover-glass where the rubbers go around it. The cot-ton yarn should be of such a thickness that the slides will mm. apart when the cell is complete. To fill the cell itshould be held nearly vertical, and the culture fluid and In-fusoriaWnserted through the open end of the U with a smallpipette. Part of the water will flow out through the cotton, but part will beretained by capillary attraction. By repeated use of the pipette any desirable. Fig. 1. 1580 Journal of Applied Microscopy \V


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901