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Updated: May 20, 2025
We might arrive at the conviction that our present science is human, petty, and contingent; that it is closely linked with the structure of our sensory organs; that this structure results from the evolution which fashioned these organs; that this evolution has been an accident of history; that in the future it may be different; and that, consequently, by the side or in the stead of our modern science, the work of our eyes and hands and also of our words there might have been constituted, there may still be constituted, sciences entirely and extraordinarily new auditory, olfactory, and gustatory sciences, and even others derived from other kinds of sensations which we can neither foresee nor conceive because they are not, for the moment, differentiated in us.
All odor evaded me until I had recourse to my usual olfactory crutch, placing the flower in a vial in the sunlight. Delicate indeed was the fragrance which did not yield itself to a few minutes of this distillation.
Those perfumes, with the assistance of a fair wind, begin to affect persons of quick olfactory nerves at a league's distance, and increase gradually as you approach.
Those who have visited Wombwell's menagerie, or stood in the monkey-house of the Zoological Gardens, doubtless retain a lively recollection of olfactory disgust, even although in those places the must scrupulous cleanliness is observed; but their experience of such smells would have been totally eclipsed if they could but for a moment have stood within Noah's ark amidst all its heterogeneous denizens.
In the upper and hinder parts of the nasal cavities the olfactory nerve, the first pair of cerebral nerves, expands in the mucous coat which clothes them. These bones are much more developed in many of the higher mammals than in man, but there are three of them in all mammals.
A second peculiarity of the male Crustacea consists not unfrequently in a more abundant development on the flagellum of the anterior antennae of delicate filaments which Spence Bate calls "auditory cilia," and which I have considered to be olfactory organs, as did Leydig before me, although I was not aware of it.
In a state of heat or excitement, the pores of the skin appear relaxed, and a fluid or aqueous vapour is secreted, which escapes in small or large quantities, adheres to the persona or substances on which it falls, and is, particularly, received on the olfactory organs. The hound, at almost the earliest period, begins to comprehend the work which he has to perform.
There may be a physical reason for the strange connection between the sense of smell and the mind. The olfactory nerve so my friend, the Professor, tells me is the only one directly connected with the hemispheres of the brain, the parts in which, as we have every reason to believe, the intellectual processes are performed.
Once, when two of us shot at an old stag together as it raced far off down the trail, the two arrows dropped twenty yards ahead of it. Instantly the stag came to an abrupt stop, smelled first one arrow at one side of the trail, and the other on the opposite side, deliberated a moment, bolted sidewise and disappeared. What he got in his olfactory investigation must have been confusing.
Our flesh renews itself of its own accord, while we are thinking about it. The olfactory organs, through which the vital air reaches the lungs, communicate all the perfumes of the world to the brain: the smell of flowers, of woods, of trees, of the sea.
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