File:The microscope and its revelations (1856) (14591530428).jpg

Identifier: microscopeitsrev1856carp (find matches)
Title: The microscope and its revelations
Year: 1856 (1850s)
Authors: Carpenter, William Benjamin, 1813-1885
Subjects: Microscopy Microscopes Microscopy
Publisher: London : John Churchill
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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gof the worms in the breeding establishments, and particularlyby the practice of throwing the bodies of such as die, into aheap in the immediate neighbourhood of the living worms;this heap speedily becomes covered with tliis kind of mould,which finds upon it a most congenial sod.; and it keeps-up a-continual supply of sporules, which, being diffused through theatmosphere of the neighbourhood, are drawn into the breathingpores of individuals previously healthy. Wherever the precau-tions obviously suggested by the knowledge of the natm-e of thedisease thus afforded by the Microscope, have been duly put inforce, its extension has been kept within comparatively Kmitedbounds. The plant presents itself (Fig. 120) under a consider-able variety of forms; all of which, however, are of extremely 378 MICEOSCOPIC STETJCTURE OE HIGHER CEYPT0GA3IIA. simple structure, consisting of elongated or rounded cells, con-nected in necklace-like filaments, very nearly as in the ordinarybead moulds. Fig. 120.
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Botrytis hassiana .—A, the fungus as it first appears at the orifices ofthe stigmata ; b, tubular filaments bearing short branches, as seentwo days afterwards ; e, magnified view of the same; c, d, appearanceof filaments on the fourth and sixth days; f, masses of mature sporesfalling-off the branches, with filaments proceeding from them. FTJNGOTJS VEGETATION IN LIVING INSECTS, 37! Fig. 121. 210, Again, it is not at all uncommon in the West Indies tosee in(ii\iduals of a species of Polistes (the representative ofthe Wasp of our own country) flying-about with plants oftheir o-wn length projecting from some part of their surface,the germs of which have been probably introduced (as in thepreceding case) through the breathing-pores at their sides, andhave taken root in their substance, so as to produce aluxuriant vegetation. In time, however, this fungousgrowth spreads tlirough the body, and destroys the life of theinsect; it then seems to grow more rapidly, the decomposingtissue of the

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