The Monthly Microscopical Journal: Transactions of the Royal Microscopical Society, and Record of Histological Research at Home and Abroad, Volumen6Robert Hardwicke, 1871 |
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Página 7
... directions . The little lens is first patched on under the slide with a minute drop of oil of cloves or turpentine where the Podura scales or other objects lay thickest . The slide is then put on the stage with the lens in the top of ...
... directions . The little lens is first patched on under the slide with a minute drop of oil of cloves or turpentine where the Podura scales or other objects lay thickest . The slide is then put on the stage with the lens in the top of ...
Página 12
... character of the spectra , but also the exact position of the absorption - bands , and that some are so most unusually dis- tinct . The above directions apply to simple cases , where the 12 On some Improvements in the.
... character of the spectra , but also the exact position of the absorption - bands , and that some are so most unusually dis- tinct . The above directions apply to simple cases , where the 12 On some Improvements in the.
Página 13
... directions apply to simple cases , where the amount of material at command is amply sufficient , and the fabric on which the stain is found does not contain anything that makes the blood insoluble , or interferes with the various tests ...
... directions apply to simple cases , where the amount of material at command is amply sufficient , and the fabric on which the stain is found does not contain anything that makes the blood insoluble , or interferes with the various tests ...
Página 23
... direction of these currents so as to strike the disk upon various parts of its surface in succession , I was enabled to satisfy myself conclusively that it possessed a bladder - like cell wall , perfectly flexible ( now that it was no ...
... direction of these currents so as to strike the disk upon various parts of its surface in succession , I was enabled to satisfy myself conclusively that it possessed a bladder - like cell wall , perfectly flexible ( now that it was no ...
Página 30
... direction of the light is reversed , the fine and coarse spurious lines change places , and what is still more important , a similar change can be effected by a mere change of focus . In fact , when the band is seen as above , if the ...
... direction of the light is reversed , the fine and coarse spurious lines change places , and what is still more important , a similar change can be effected by a mere change of focus . In fact , when the band is seen as above , if the ...
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achromatic achromatic condenser acid Amoeba animal aperture appearance arch balsam blood body Canada balsam cells chelifer chlorophyll chromic acid cilia Cloth containing corpuscles described diameters diatoms disease ditto eggs Euglena examination exhibited experiments eye-piece ferns fluid focus follicles frustules Fungi germinal glass granular Hennah illumination Illustrated immersion inch Infusoria insects instrument JOHN GILBERT BAKER larvæ layer lens light lines London magnified membrane micrometer microscopists minute Monads Monthly Microscopical Journal mosses Natural History nineteenth band nucleus objects observed obtained Optician ordinary organisms Oxytricha paper Paramecium parasite particles photographs PICCADILLY pin-point Monad plants present prism Professor R. A. PROCTOR rays remarks ROBERT HARDWICKE Rotifer ROYAL MICROSCOPICAL SOCIETY scales seen selenite slide solution species specimens spectra spectrum structure substance surface tion tissue Tolles tube Vaucheria vesicle Vorticella whole-page plates Wigmore Street Wonfor Woodward worm
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Página 97 - On the whole, then, while giving due credit to Prof. Huxley and those who have preceded him in this matter, for directing attention to this curious and no doubt important constituent of mineral fuel, and admitting that I may possibly have given too little attention to it, I must maintain that Sporangite beds are exceptional among coals, and that cortical and woody matters are the most abundant ingredients in all the ordinary kinds; and to this I cannot think that the coals of England constitute an...
Página 99 - A single trunk of sigillaria in an erect forest presents an epitome of a coal-seam. Its roots represent the stigmaria underclay; its bark the compact coal; its woody axis the mineral charcoal ; its fallen leaves and fruits, with remains of herbaceous plants growing in its shade, mixed with a little earthy matter, the layers of coarse coal. The condition of the durable outer bark of erect trees, concurs with the chemical theory of coal, in showing the especial suitableness of this kind of tissue for...
Página 99 - Stigmaria underclay; its bark the compact coal; its woody axis, the mineral charcoal; its fallen leaves (and fruits), with remains of herbaceous plants growing in its shade, mixed with a little earthy matter, the layers of coarse coal. The condition of the durable outer bark of erect trees concurs with the chemical theory of coal, in showing the especial suitableness of this kind of tissue for the production of the purer compact coals. It is also probable that the comparative impermeability of the...
Página 241 - These laminee are separated by short vertical piles of cells, believed to be medullary rays. In the transverse section the intersected mouths of the vessels form radiating lines ; and the whole structure is regarded as an early type of an exogenous cylinder; it is from this cylinder alone that the vascular bundles going to the leaves are given off. This woody zone is surrounded by a very thick cortical layer, which is parenchymatous...