The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, Volumen36A. and C. Black, 1844 |
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Página 6
... seen traces of parenchyma and prosenchyma : the tissue of the ligneous cylinder , of the medullary sheath , and of the leaf - cords , on the contrary , is distinctly preserved . We are , consequently , furnished with the most essential ...
... seen traces of parenchyma and prosenchyma : the tissue of the ligneous cylinder , of the medullary sheath , and of the leaf - cords , on the contrary , is distinctly preserved . We are , consequently , furnished with the most essential ...
Página 8
... seen to be regularly marked with parallel transverse bars on all their walls ; this is an important character , for , in the Conifers and Cycases , the cells or vessels composing the ligneous system are in general only marked on their ...
... seen to be regularly marked with parallel transverse bars on all their walls ; this is an important character , for , in the Conifers and Cycases , the cells or vessels composing the ligneous system are in general only marked on their ...
Página 11
... seen in some Tree Ferns , especially in a New Zealand species of Cyathea , in which are observable some small vascular bundles disposed irregularly throughout the centre or pith , in addition to the larger ones constituting the nearly ...
... seen in some Tree Ferns , especially in a New Zealand species of Cyathea , in which are observable some small vascular bundles disposed irregularly throughout the centre or pith , in addition to the larger ones constituting the nearly ...
Página 16
... seen running up the middle of each rib , and possessing a character which distinguishes them from those already mentioned under the name of vascular scars , and which character is entirely due to the presence of the cuticle . On the ...
... seen running up the middle of each rib , and possessing a character which distinguishes them from those already mentioned under the name of vascular scars , and which character is entirely due to the presence of the cuticle . On the ...
Página 17
... seen in what manner several different surfaces may be afforded by a single specimen . - Let us suppose , that , in the third diagram , the cuticle a b of Sigillaria is preserved in a fragment of slate , which is divided where the ...
... seen in what manner several different surfaces may be afforded by a single specimen . - Let us suppose , that , in the third diagram , the cuticle a b of Sigillaria is preserved in a fragment of slate , which is divided where the ...
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Otras ediciones - Ver todas
The Edinburgh New Philosophical Journal: Exhibiting a View of the ..., Volumen17 Vista completa - 1863 |
The Edinburgh New Philosophical Journal: Exhibiting a View of the ..., Volumen14 Vista completa - 1833 |
The Edinburgh New Philosophical Journal: Exhibiting a View of the ..., Volumen9 Vista completa - 1859 |
Términos y frases comunes
acid acinus ammonia angles animals antimony appears ascertain atmosphere beds Beechy bismuth bones Brongniart carboniferous cause cells character circumstances coal colour communication Comrie considerable countries Crustacea crystalline cuticle Cycadeous Cyclopteris d'Orbigny decks deposited depth direction distance Dr Hales earthquake Edinburgh equal Esquimaux exist experiments facts Fauna feet felt Ferns flames forests formation fossils genera genus geographical geology glacier guano heat improvements inches inhabitants island Knightswood latter leaf-bases leaflets Lepidodendron less lime limestone lower marble masses means Melville Peninsula Mer de Glace metal miles mode natural nearly Neuropteris observed obtained occurred Otopteris Pecopteris phenomena plants portion present prism produced quantity rachis rain refracted regard remarkable ribs rocks shew shewn ships shocks side Sigillaria species specimens Sphenopteris spiral strata superior conjunction surface temperature threads of cuticle tion triangle tubes vegetable ventilation vessels volcanic
Pasajes populares
Página 389 - Year Book of Facts in Science and Art, exhibiting the most important Discoveries and Improvements in Mechanics, Useful Arts, Natural Philosophy, Chemistry, Astronomy, Meteorology, Zoology, Botany, Mineralogy, Geology, Geography, Antiquities, etc.
Página 212 - CATLOW.-POPULAR CONCHOLOGY; Or, the Shell Cabinet arranged: being an Introduction to the Modern System of Conchology : with a sketch of the Natural History of the Animals, an account of the Formation of the Shells, and a complete Descriptive List of the Families and Genera. By AGNES CATLOW.
Página 211 - Observations on Days of Unusual Magnetic Disturbance, made at the British Colonial Magnetic Observatories under the Departments of the Ordnance and Admiralty, printed by the British Government under the Superintendence of Lieut.-Col.
Página 309 - But the most uncommon and unsightly ornamental fashion, adopted by some of both sexes, is their having the under-lip slit, or cut, quite through, in the direction of the mouth, a little below the swelling part. This incision, which is made even in the sucking children, is often above two inches long, and either by its natural retraction, when the wound is fresh, or by the repetition of some artificial management, assumes the true shape of lips, and becomes so large as to admit the tongue through.
Página 206 - The fruit at first contains a clear insipid fluid, with which travellers allay their thirst ; afterwards this same liquor becomes milky and sweet, and it changes its taste by degrees as it acquires solidity, till at last it is almost as hard as Ivory. The liquor contained in the young fruits turns acid if they are cut from the tree and kept some time.
Página 392 - WILLIAM EDWARD NEWTON, of the Office for Patents, 66 Chancery Lane, in the county of Middlesex, civil engineer, being a communication from abroad, " certain improvements in machinery for preparing and combing wool, hair, and other fibrous substances.
Página 144 - ... of man is taxed to discover new sources of wealth, maintenance, and occupation ; and we find, under the dispensations of an all-wise Providence, that at suitable seasons resources are unveiled which have been long provided but concealed until the fit occasion presents itself. Amongst the numerous administrations of the same wise and merciful design, it is not unreasonable to believe that the...
Página 215 - improvements in the construction of boilers, part of which improvements is applicable for regulating the supply of water and other liquids." — 23d November 1843. 17. To WILLIAM PROSSER junior, of Shaftsbury Terrace, Pimlico, gentleman, " improvements in the construction of roads, and in carriages to run thereon."— 23d November 1843.
Página 171 - Ackworth, then first Lord of the Admiralty, who went down to Woolwich to see its performance in ventilating the hold of HMS Kinsale." It is but fair, however, to mention, in justice to the ingenious and philanthropic Dr Desaguliers, that he complains of the great difficulty he had in getting a proper trial of his machine by the Lords of the Admiralty in 1740. Exper. Phil. vol. ii. 4to. The wind-fan, or...
Página 206 - The Indians cover their cottages with the leaves of this most beautiful Palm. The fruit at first contains a clear insipid fluid, by which travellers allay their thirst ; afterwards this same liquor becomes milky and sweet, and it changes its taste by degrees as it acquires solidity, till at last it is almost as hard as ivory. The liquor contained in the young fruits becomes acid if they are cut from the tree and kept some time. From the...