A New Catalogue of Vulgar Errors. Fovargue Stephen

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      What seems to have led People into this Error, is, the Appearance which a Heron makes upon her Nest: You may sometimes see her Feet when she is sitting.

      Now it seems unaccountable, how a Bird should sit upon her Eggs on a Tree, and yet her Feet appear to a Spectator below. For any Person who takes Notice of a Bird sitting upon her Eggs, will find that she doubles them up under her, and that they are hid among her Feathers and the Eggs; so that if this is the Case, there can be no other Way of seeing her Feet, but by a Hole through the Bottom of the Nest.

      But this is not the Case with the Heron, nor the Bittern, another Bird resembling the Heron. When these Birds sit upon their Nests, their Legs lie straight out behind them, in a Line parallel to the Plain of the Horizon, in the same Posture as when they fly. This accounts for the Phœnomenon of the Feet appearing on the outside of the Nest.

      These Birds have Legs of a remarkable Length, as every one must know, for they are a very common Bird; and when they sit, or rather lie, upon their Eggs in the abovesaid Posture, the Nest is unable to contain these long Legs, and by that Means they hang over the Side of it, and are seen by those who are under the Trees on which they build.

      With regard to any Thing of a Hole through the Bottom of the Nest, nothing can be more fabulous: I once had the Sight of a large Tree, which had been blown down in a high Wind, and was full of Heron's Nests. They are built exactly in the Form of a Crow's Nest, and of the same Materials, only as the Nests were larger than those of Crows, so there were some larger Pieces of Sticks than Crows generally make Use of; and so far are they from having a Hole at the Bottom, that it was impossible to find a Passage through any Part of the Nest, with a stout walking Stick, so firm was the Texture of them.

      If any one doubts of this, if he will take the Trouble to climb any Tree in a Heronry, he will be convinced of the Truth of what has been said, by ocular Demonstration. But I would not advise him to do it when there are young ones.

      As the Bittern has been mentioned in this Section, it will not be amiss to put in a Word or two concerning an Error, which passes very current in Countries where this Bird is found, and which we may venture to assert is equally fabulous with the former. It is,

      III

      This Bird, on Account of the Noise he makes, which is much such a one as if a Person was to express the Word Bump in a deep Note, is in many Countries called a Butter-Bump: Nevertheless the true Name of him is Bittern, as may be seen in several Books.

      One particular Proof that Bittern is the true and ancient Name, may be seen in Stephens's Monasticon. The Author is giving us an Account of some Expenses which the Abbey of Peterborough was at, and among others there is a Bill made of the Expences for the Supper at the Funeral of one of the Abbots of that Convent, in which, among a great Number of other costly Dishes, and a Hogshead or two of Wine, which were drank, and an incredible Quantity of other Things too tedious to mention, there is a Sum set down for a great Number of Bitterns; from which we may venture to conclude, that they were esteemed very delicate eating amongst those Connoisseurs.

      I hope the Reader will pardon this Digression from the Point in Hand, when I take Occasion to observe, that here is another vulgar Error, which supposes, that the present Times are more luxurious than the past. For to convince us of this Mistake, we need go no farther than the aforesaid Book, and there we shall find, that as much Money was laid out, (in Proportion to the Scarcity of Coin in those Times) upon the Funeral of one of those Abbots, as in the present Age will pay the Expences of a whole College for a Twelvemonth.

      But to return to our Bitterns: That they were esteemed very delicate eating at that Time, is plain, by their being served up at so splendid an Entertainment; and we think it may be called another vulgar Error, in a Farmer to suffer so fine a Bird to lie upon his Dunghill, while he and his Wife and Family are regaling upon restie Bacon; which, as great an Error as it is, I have known done, and a Person who knew the Value of the Bird, has taken the Bittern from off the Dunghill, and dressed it, and made a delicious Meal.

      But it is now Time to say something concerning the Error about the Noise it makes.

      It is very absurd to suppose it possible, that this deep Note can proceed from the Bird's putting his Beak into a Reed, even if it's Beak was formed for the Purpose. Every one who knows of what vast Dimensions an Organ-Pipe must be, to give such a loud, deep, bass Note as the Noise of a Bittern, knows also, that a Reed is incapable of making such a Noise as that. It must be something with a hollow Tube of a much larger Diameter than a Reed, and the Wind must be thrown in with the greatest Exactness, both in regard to the Quantity of the Wind, and the Manner in which it is let in; and moreover the Tube must have a proper Aperture made towards the End of it, of an exact Dimension according to the Size of the Tube, before it will give any thing like a Tone at all. But here is a Sound as deep as the fourth String of a double Bass, given by an Animal, that may be heard four or five Miles off, in a still Evening.

      The most probable Conjecture is, that the Noise is made by the Animal itself, with the Assistance of Nature alone; and we shall have the more Reason to be of that Opinion, if we examine the Throat of the Bird, which is of so uncommon a Size, that a moderate Hand would go down it.

      Now a Sound given from the Windpipe into such a Cavern as this, may very probably be the Cause of this deep Tone. It acts upon the same Principle as when a Person closes his Lips, and sounds a deep Note with his Voice. Perhaps after the Reader has made the Experiment, (as in all Probability he will do) he may be convinced that it is a vulgar Error, to suppose that a Bittern puts his Beak into a Reed, when he makes that remarkable Noise Which is heard in a Fenn.

      It may not appear foreign to the Purpose, when I say that I have heard a Bittern make the Noise abovementioned, and that I have gone to the Spot, which was coarse Grass or Flags, just mowed, where there were no Reeds; and the Bird rose up before me.

      Here I must beg Leave to put in a Word or two, by way of corroborating what has been said about the Heron and the Bittern lying flat upon their Nests, with their Legs parallel to the Plain of the Horizon.

      When the aforesaid Bittern rose up, I shot, and wounded him slightly, and marked him down again in the same Kind of Grass or short mowed Flags. As the Grass was not higher than one's Shoes, and it was wounded, I was in Hopes of having the Pleasure of seeing him lie on the Ground very plain. However I let my Pointer go first, knowing that he would stand at the Place. Accordingly made a dead Point at it. I came up as silent as possible, to take a View of it, but to my great Surprize, nothing was to be seen.

      There was indeed something which appeared long, like two green Weeds lying among the Grass, and there was something like a large Spot of dryed Grass or Flags a little before them.

      While I was looking at the Place, the Dog, being out of Patience, seized Hold of this Phœnomenon, which proved to be no other than the Bittern itself. Those Things which seemed to be green Weeds, were it's Legs extended at the full Length, behind the Bird, as it lay quite flat upon it's Belly; and that broad Spot of brown or dried Grass was the Body, with the Wings extended to their full Stretch, quite flat upon the Ground, which, I believe, formed as compleat a Deceptio Visus as any Thing in Nature.

      Thus we see how wonderfully these Animals are formed for their Self-Preservation; so wonderfully, that though they are near as large as a Heron, and much of the same Shape, it must be a keen Eye that distinguishes their long green Legs from Weeds, and their brown Backs from dried Grass; but this Deceptio Visus is so notorious in Partridge, and many other Species of Game, that there is no Occasion to dwell any longer upon that; only what has been said may serve to convince the СКАЧАТЬ