Human speech : a study in the purposive action of living matter / by N.C. Macnamara.

  • Nottidge Charles Macnamara
Date:
1908
Catalogue details

Licence: In copyright

Credit: Human speech : a study in the purposive action of living matter / by N.C. Macnamara. Source: Wellcome Collection.

    49/318 (page 19)
    STRUCTURE OP PROTOPLASM and vegetable substances. In this way they act as the scavengers of the world; beyond this, bacteria perform many other important functions in the economy of nature. Oui interest in these beings liowever, is piincipalJy concerned with the trazismutations effected y their living matter of chemical into other forms ot energy. We have to inquire how it comes to pass at their protoplasm, while it is constantly at work and therefore subject to ceaseless wear and tear, neverthe- less maintains during the life of the organism its form working power, and capacity to reproduce its like The mmute particle of protoplasm.which constitutes a bactenum ,s one of the most prolific kinds of matter in e.Mstenee Under favourable conditions it has been calculated that some of the bacteria in the course of one huLrtftrtllioTs The Structure of the living matter of Baeteria.~W\^Qn examine living bacteria under hiah powers of the 2«roscope they appear as pale, almost tanroge.Lo!; masses, containing granules of matter “ ... ° ° Tuciuuer ot stronapu 1-op.asm fLingttod; Ate actena have been properly stained and fixld on XEn”,“i?wT‘Z:' A- l'i.che,. •f th. work I'X ° f The aotho •tudy of these simple forma of in til the subject appeared as lar back ti ’ published work on Asiatic CholeL,” wdtten in r. “A Treatise on i^acillus ].ad been defined he^hI^ a^ nature of this disease at the .n i ^ ^stoiy and dejecta of human beings princimllv‘H°“’ «..<> th.t ite .ptolL'^.„ee^ohXXl“:‘*™Sr'