The botanist's companion; or, Directions for the use of the microscope (1860)
Balfour, John Hutton, 1808-1884. [from old catalog] · Edinburgh, A. and C. Black · leaf 29
appearsnearest to the eye, and consistsof twisted strings of minutepearly globules, hung acrossthe field of view (fig. 16 a).The second in point of remark-ableness, and the farthest of thefour from the eye, consists of watery-like threads, destitute of any globularappearance, and depending chiefly… … Fig. 16. IN OBSERVATIONS. 2o watery spectrum. In two distinct planes, between those occupied by thesetwo spectra, float two sets of globules, not aggregated into threads, butinsulated. These constitute what I call the insulo-globular spectra.The individual globules of the set farther from the eye,…
Botany · Microscopy
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