. The microscope and its revelations. the air by that liquid; and when they have beenthoroughly saturated, they should be mounted in Canada balsam inthe usual mode. When thus prepared they become very beautifultransparent objects for low magnifying powers; and they present agorgeous display of colours when examined by polarised light, withthe interposition of a plate of selenite, the effect being much en •hanced by the use of black-ground illumination. No result of microscopic research was more unexpected thanthe discovery of the close relationship subsisting between thehydroid Zoophytes and t
. The microscope and its revelations. the air by that liquid; and when they have beenthoroughly saturated, they should be mounted in Canada balsam inthe usual mode. When thus prepared they become very beautifultransparent objects for low magnifying powers; and they present agorgeous display of colours when examined by polarised light, withthe interposition of a plate of selenite, the effect being much en •hanced by the use of black-ground illumination. No result of microscopic research was more unexpected thanthe discovery of the close relationship subsisting between thehydroid Zoophytes and the medusoid Acalejilia (or -jelly-fish ). \Yenow know that the small free-swimming medusoids belonging to See Mr. J. W. Morris in Qinni. Joiirn. of Mirronc. .SV/. vol. ii. 180:2, \>. 110. ifi ilr llinlo/fic, vi. ]). 115. JELLY-FISHES 8/3 the naked-eye group, of which Thaumantias (fig. 663) may betaken as a representative, are really to be considered as the detachedsexual apparatus of the zoophytes from which they have been.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901
