The Microscope: Its History, Construction, and Applications: Being a Familiar Introduction to the Use of the Instrument, and the Study of Microsopical Science |
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acid angle animal aperture appear arrangement attached balsam beautiful become blood body called cells centre close colour common composed consists containing covered crystals delicate described diameter direction distinct edge effect eggs entirely examination exhibit existence extremity eye-piece fibres fluid give glass hairs head inch increase insects interesting kind known layer leaves length lens less light lines living magnified manner markings mass matter means membrane microscope minute motion mounted nature object observed obtained opening organs passing piece placed plants Plate portion position prepared present prism produced rays remain remarkable removed represented resembling round scales seen separated shell showing shown side slide solution species specimens stage stained structure substance surface taken thickness thin tion tissue transparent tube usually various vegetable vessels Volvox whole
Popular passages
Page 425 - These beds are covered by others of a peculiar soft white stone, including much gypsum, and resembling chalk, but really of a pumiceous nature. It is highly remarkable, from being composed, to at least one-tenth of its bulk, of Infusoria.
Page 437 - All these things live and remain for ever for all uses, and they are all obedient. •• .•- * ' ."..... JIT. All things are double one against another : and he .hath made nothing imperfect.
Page 482 - Besides these forms imitating vegetation, there are gracefully-modelled vases, some of which are three or four feet in diameter, made up of a network of branches and branchlets and sprigs of flowers. There are also solid coral hemispheres like domes among the vases and shrubbery, occasionally ten or even twenty feet in diameter, whose symmetrical surface is gorgeously decked with polype-stars of purple and emerald green.
Page 436 - Consider their incredible numbers, their universal distribution, their insatiable voracity; and that it is the particles of decaying vegetable and animal bodies which they are appointed to devour and assimilate. Surely we must in some degree be indebted to those ever active invisible scavengers for the salubrity of our atmosphere.
Page 143 - ... the first effect is the production of the yellow or cinnamon-coloured compound of iodine and quinine, which forms as a small circular spot ; the alcohol separates in little drops, which by a sort of repulsive movement drive the fluid away ; after a time the acid liquid again flows over the spot, and the polarizing crystals of sulphate of iodo-quinine are slowly produced in beautiful rosettes. This succeeds best without the aid of heat.
Page 118 - Below the prism is an achromatic eyepiece, having an adjustable slit between the two lenses ; the upper lens being furnished with a screw motion to focus the slit. A side slit capable of adjustment admits when required a second beam of light from any object whose spectrum it is desired to compare with that of the object placed on the stage of the microscope. This second beam of light strikes against a very small prism, suitably placed inside the apparatus, and is reflected up through the compound...
Page 500 - Sea-cucumbers." — In this family the body acquires a slug-like form. The radiate structure is in fact scarcely recognisable in these animals, except in the arrangement of the tentacles which surround the mouth. The body is always more or less elongated, with the mouth at one end and the anal opening at the other ; the calcareous deposit in the skin is reduced to scattered granules ; and in one family the ambulacra are entirely wanting. The integument consists of a number of minute reticulated plates,...
Page 381 - ... 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 feculent matter.
Page 731 - Has any seen The mighty chain of beings, lessening down From Infinite Perfection to the brink Of dreary nothing, desolate abyss ! From which astonish'd thought, recoiling, turns ? Till then alone let zealous praise ascend, And hymns of holy wonder, to that POWER, Whose wisdom shines as lovely on our minds, As on our smiling eyes his servant-sun.
Page 126 - If we transmit a beam of the sun's light through a circular aperture into a darkened room, and if we reflect it from any crystallised or uncrystallised body, or transmit it through a thin plate of either of them, it will be reflected and transmitted in the very same manner, and with the same intensity, whether the surface of the body is held above or below the beam, or on the right...
Bibliographic information
| Title | The Microscope: Its History, Construction, and Applications: Being a Familiar Introduction to the Use of the Instrument, and the Study of Microsopical Science Dr. Malvern Gilmartin collection |
| Author | Jabez Hogg |
| Edition | 11 |
| Publisher | G. Routledge, 1886 |
| Length | 764 pages |
| Export Citation | BiBTeX EndNote RefMan |