International Journal of Microscopy & Natural Science, Volumen12Bailliere, Tindall & Cox., 1893 |
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Términos y frases comunes
absolute alcohol algæ animal appear aquarium bacteria balsam blood blue body Canada balsam carmine celloidin cent chloride chromic acid ciliated collared cells colour containing cover cover-glass Crown 8vo culture diameter Diatoms diluted distilled water drop eggs examination flagellate flagellum fluid gelatin glass glycerine green growth hæmatoxylin Hæmometer haltere hardening illustrations inch Infusoria insects JOURNAL OF MICROSCOPY light liquid London maceration matter merozoite method micro microscope MICROSCOPY AND NATURAL minutes mounted nucleus object observed obtained ordinary organs paper paraffin parasite picric acid piece pipette plants Plate polariscopic polarised Polyzoa portion prepared Price protoplasm Protozoa rays removed ring Rotifers SCIENCE sea-water sections seen selenite side slide solution species specimens sponge Spongida spores stage stain starch sterilised structure substance surface Sycandra compressa Synapta temperature thick tion tissue tube vegetable vessel violet washed xylol
Pasajes populares
Página 345 - I placed one of them in a shallow vessel, and just covered its surface and highest orifice with water. On strewing some powdered chalk on the surface of the water, the currents were visible to a great distance ; and on placing some pieces of cork or of dry paper over the apertures, I could perceive them moving by the force of the currents, at the distance of ten feet from the table on which the specimen stood.
Página 344 - ... around. The beauty and novelty of such a scene in the animal kingdom, long arrested my attention, but after twenty-five minutes of constant observation, I was obliged to withdraw my eye from fatigue, without having seen the torrent for one instant change its direction, or diminish, in the slightest degree, the rapidity of its course. I continued to watch the same orifice, at short intervals, for five hours, sometimes observing it for a quarter of an hour at a time, but still the stream rolled...
Página 344 - I beheld, for the first time, the splendid spectacle of this living fountain vomiting forth from a circular cavity an impetuous torrent of liquid matter, and hurling along, in rapid succession, opaque masses, which it strewed everywhere around. The beauty and novelty of such a scene in the animal kingdom long arrested my attention...
Página 345 - I placed two entire portions of this together in a glass of sea-water, with their orifices opposite to each other at the distance of two inches; they appeared to the naked eye like two living batteries, and soon covered each other with the materials they ejected.
Página 344 - ... and hurling along in rapid succession opaque masses, which it strewed everywhere around. The beauty and novelty of such a scene in the animal kingdom long arrested my attention, but after twenty-five...
Página 321 - ... solution, which contains methylene red and violet, in addition to the blue. The sections are transferred from alcohol and allowed to remain in the stain for .at least ten minutes. They are then passed through water into 33 per cent, tannic acid solution to decolorize, allowed to remain from two to five minutes, then rinsed with water to enable the exact tint to be observed more readily. If satisfactory, after a thorough washing with water the sections are placed in absolute alcohol, or a solution...
Página 77 - They should not be placed in absolute alcohol, but cleared from 95 per cent, in a mixture of equal parts of bergamot oil, cedar oil, and carbolic acid. When cleared the excess of fluid is removed by a piece of blotting-paper with gentle pressure, sections which are by chance loose are firmly fixed in position, the thread is now cut, the strip of paper rolled back, balsam and cover applied. If the object can be stained in toto, which is often the case, much time may be saved by the following method:...
Página 161 - THE MICROSCOPE. Its Construction and Management Including Technique, Photo-micrography, and the Past and Future of the Microscope. By Dr. HENRI VAN HEURCK. Re-Edited and Augmented from the Fourth French Edition, and Translated by WYNNE E. BAXTER, FGS 400 pp., with upwards of 250 Woodcuts, imp. 8vo, cloth 1 8/O " A translation of a well-known work, at once popular and comprehensive.
Página 125 - I would prefer this for the table ; being boiled some time in sea-water, they acquire a firm and palatable consistence, and may then be eaten with any kind of sauce. They are of an inviting appearance, of a light shivering texture, and of a soft white and reddish hue. Their smell is not unlike that of a warm crab or lobster.
Página 88 - ... present themselves in the same light the anatomical arrangement of the capsules, the disposition and lodgment of the nerves, the fitness of the expanded whorls for receiving, and of the jointed antennae fixed by the immovable basal joint for transmitting vibrations created by sonorous modulations.