... John is about forty years of age, and so near white that a microscope would be required to discern his colored origin...
William Still 「The Underground Railroad」
...Sincenearly all the cœlenterates except hydras are marine forms,these will usually have to be dead specimens, preserved informalin or alcohol, or put up as permanent preparationsfor the microscope...
Worrallo Whitney 「A Guide for the Study of Animals」
...Examine a scale under the microscope...
Worrallo Whitney 「A Guide for the Study of Animals」
...If these hairs be examined through a microscope they will be found to be more or less razor-shaped, having a thick back and a dilated wing or knife-like blade (fig...
Edward Saunders 「Wild Bees, Wasps and Ants」
...Microscopes which have a draw tube can be furnishedwith an erector, an instrument so called because iterects the images, which the microscope has turnedupside down, through the crossing of the rays...
Henry J. Slack 「Marvels of Pond-life」
...A binocular microscope is most useful with lowpowers from two thirds upwards...
Henry J. Slack 「Marvels of Pond-life」
...Thus, if we look at the world of minute forms whichthe microscope reveals, there opens before us a spectacleof boundless extent...
Henry J. Slack 「Marvels of Pond-life」
...The difference betweenone-eighth and one-sixteenth is very considerable, and must certainlybe easily perceived, both by a good microscope, and in the cloth whichis manufactured from such wool...
Ambrose Blacklock 「A Treatise on Sheep:」
...These facts are developed by the microscope, whichalso discloses numerous little bodies adhering to the internal membrane...
Robert Jennings 「Sheep, Swine, and Poultry」
...When examined in the fresh condition under a microscope magnifying up to 250diameters the general structure is made out without much difficulty...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...As has already beenintimated, these grains, simulating sulphur balls, are visible to the nakedeye, and their nature is readily determined with the aid of a microscope...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The microscope reveals the presence of a slendergroove running throughout the length...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...I place mypreparation under the microscope...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...An inspection under the microscope tells us that the contents of thewhite cells are composed of very fine, opaque grains, insoluble inwater and of greater density...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...For a more exhaustive examination we will employ the microscope...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
... Let us open a Chalicodoma grub under the microscope, during the period of torpor...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
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