The collected papers of Joseph baron Lister . sentof knowing ; but, however that may be, it cannot but be right, where we have,definite characters of bacteria, to speak of them as species as a matter of con-venience, just as is done of various hyphomycetous fungi known to be onlyinferior varieties of ascomycetous forms. What are the functions of bacteria with reference to the physiology of fungi,and whether a bacterium derived from a fungus is ever capable of returningto the form of its parent, are questions on which my investigation has thrownno light. The sketches which furnished the illustr
The collected papers of Joseph baron Lister . sentof knowing ; but, however that may be, it cannot but be right, where we have,definite characters of bacteria, to speak of them as species as a matter of con-venience, just as is done of various hyphomycetous fungi known to be onlyinferior varieties of ascomycetous forms. What are the functions of bacteria with reference to the physiology of fungi,and whether a bacterium derived from a fungus is ever capable of returningto the form of its parent, are questions on which my investigation has thrownno light. The sketches which furnished the illustrations were all drawn on the scalegiven at the foot of Plate XIII, either by camera lucida or, in a few cases wherethe objects were in motion, by eye-piece micrometer, the magnifying powerbeing 1,140 diameters. The object-glass which I employed was a tenth immer-sion lens manufactured by Messes. R. and J. Beck, the beautiful definition ofwhich was distinctly enhanced by the use of the higher eye-piece. Plate XI 1) ) Fuscisporiun/.. I ^-^^ BcLcUruun N° I. Iw Milh J. ,7 rrv f IwArtifixial/ MiZh. Trv MiZh H. ^ ^o^* m^m Ba^^erizany W^ 11. Iw Urvfzo. V ] \ . A m-oiionl^ss IivTurTiip ItUusiotiI JrhTiirTiipInfiisioTvn. 16 ^Atc^. ^ V mxrHonZess ^W Z I .T^ TTtoiLonless20^Au^. mciicnJtjss28 ^Au^. ZO^AvL^. / Itv Milfc. \ OydtLveyIS^Au^. li.^ Sipt. In. Pastcurs Soluitort-\ O /_ . ZO^AiA^.motionless
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