 | Literary and Philosophical Society of Liverpool - 1883 - 376 Seiten
...ground must be determined by the tip ; hence it has acquired such diverse kinds of sensitiveness. It is hardly an exaggeration to say that the tip of the...anterior end of the body, receiving impressions from the sense organs, and directing the several movements." Another singular instance of the power of movement... | |
 | 1879 - 790 Seiten
...wonderful powers of the seedling root tip are totally unexpected. As Mr. Darwin sajs i elusion : "It is hardly an exaggeration to say that the tip of the...adjoining parts, acts like the brain of one of the lower an: Dr. Goodale follows with several notes, the longest being a noBaron Ferd. von Muller's Eucalyptographia.... | |
 | 1881 - 1100 Seiten
...intercommunication of the several parts." The closing sentence of the book may be appended to this. " It is hardly an exaggeration to say that the tip of the...acts like the brain of one of the lower animals." The movements " excited by light and gravitation," as well as the nyctotropic or sleep-movements so-called,... | |
 | James Samuelson, Sir William Crookes - 1881 - 782 Seiten
...moisture." Taking these various kinds of sensitiveness into consideration, Mr. Darwin pronounces it hardly an exaggeration to say that the tip of the...parts, acts like the brain of one of the lower animals, where the brain, seated within the anterior end of the body, receives impressions from the sense-organs... | |
 | 1881 - 540 Seiten
...between these movements of plants, and many actions performed unconscicusly by the lower animals" — "the tip of the radicle thus endowed, and having the...acts like the brain of one of the lower animals." Well, if plants have a brain, or the equivalent of it, directing all their movements, then we suppose,... | |
 | 1881 - 836 Seiten
...likewise transmits an influence to the upper adjoining part, which bends towards the source of moisture." the tip of the radicle thus endowed, and having the...parts, acts like the brain of one of the lower animals, where the brain, seated within the anterior end of the body, receives impressions from the sense-organs... | |
 | Royal Microscopical Society (Great Britain) - 1881 - 1116 Seiten
...is generated in the far-off battery. " It is hardly an exaggeration to say," remarks Mr. Darwin, " that the tip of the radicle thus endowed, and having...the movements of the adjoining parts, acts like the br.iin of one of the lower animals : the brain being seated within the anterior end of the body, receiving... | |
 | 1881 - 898 Seiten
...diverse kinds of sensitiveness. It ia hardly an exaggeration to say that the tip of the radicle i in: :- endowed, and having the power of directIng the movements of the adjoining parts, actx like the brain of one of the lower animals ; the brain being seated within the anterior end of... | |
 | Bayerische Julius-Maximilians-Universität Würzburg. Botanisches Institut - 1882 - 766 Seiten
...Über die von Ch. Darwin behauptete Gehirnfunction der Wurzelspitzen. Von Dr. Emil Detlefsen. »It is hardly an exaggeration to say that the tip of the...being seated within the anterior end of the body, reeeiving impressions from the sense organs and directing the several movements.«') Mit diesem Satze... | |
 | Health primers - 1882 - 108 Seiten
...nervous system, though its structure may be different. And Mr. Darwin actually maintains that it is hardly an exaggeration to say that the tip of the...the lower animals, the brain being seated within the fore-part of the body, receiving impressions from the sense organs, and directing the several movements.... | |
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It is hardly an exaggeration to say that the tip of the radicle thus endowed, and having the power of directing the movements of the adjoining parts, acts like the brain of one of the lower animals ; the brain being seated within the anterior end of the... 
