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To me, this article appears conclusive of little beyond the zeal of its inditer. We should bear in mind that, in general, it is the object of our newspapers rather to create a sensation—to make a point—than to further the cause of truth. The latter end is only pursued when it seems coincident with the former. The print which merely falls in with ordinary opinion (however well founded this opinion may be) earns for itself no credit with the mob. The mass of the people regard as profound only him who sug. gests pungent contradictions of the general idea. In ratiocination, not less than in literature, it is the epigram which is the most immediately and the most universally appreciated. In both, it is of the lowest order of merit.

“What I mean to say is, that it is the mingled epigram and melodrame of the idea, that Marie Rogêt still lives, rather than any true plausibility in this idea, which have suggested it to L'Etoile, and secured it a favorable reception with the public. Let us examine the heads of this journal's argument; endeavor. ing to avoid the incoherence with which it is originally set forth.

• The first aim of the writer is to show, from the brevity of the interval between Marie's disappearance and the finding of the floating corpse, that this corpse cannot be that of Marie. The reduction of this interval to its smallest possible dimension, be. comes thus, at once, an object with the reasoner. In the rash pursuit of this object, he rushes into mere assumption at the outset. It is folly to suppose,' he says, 'that the murder, if murder was committed on her body, could have been consummated soon enough to have enabled her murderers to throw the body into the river before midnight.' We demand at once, and very naturally, why? Why is it folly to suppose that the murder was committed within five minutes after the girl's quitting her moth. er's house ? Why is it folly to suppose that the murder was committed at any given period of the day? There have been assassinations at all hours. But, had the murder taken place at any moment between nine o'clock in the morning of Sunday, and a quarter before midnight, there would still have been time enough • to throw the body into the river before midnight.' This assumption, then, amounts precisely 10 this—that the murder was not committed on Sunday at all-and, if we allow L'Etoile to as.

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sume this, we may permit it any liberties whatever. The par. agraph beginning. It is folly to suppose that the murder, etc.,' Towever it appears as printed in L'Etoile, may be imagined to have existed actually thus in the brain of its inditer— It is folly to suppose that the murder, if murder was committed on the body, could have been committed soon enough to have enabled her murderers to throw the body into the river before midnight; folly, we say, to suppose all this, and to suppose at the same time, (as we are resolved to suppose,) that the body was not thrown in until after midnight—a sentence sufficiently inconsequential in itself, but not so utterly preposterous as the one printed.

“Were it my purpose,”, continued Dupin,“ merely to make out a case against this passage of L'Etoile's argument, I might safe. ly leave it where it is. It is not, however, with L'Etoile that we have to do, but with the truth. The sentence in question has but one meaning, as it stands; and this meaning I have fairly stated : but it is material that we go behind the mere words, for an idea which these words have obviously intended, and failed to convey. It was the design of the journalist to say that, at whatever period of the day or night of Sunday this murder was committed, it was improbable that the assassins would have ventured to bear the corpse to the river before midnight. And herein lies, really, the assumption of which I complain. It is assumed that the murder was committed at such a position, and under such circumstances, that the bearing it to the river became necessary. Now, the assassination might have taken place upon the river's brink, or on the river itself; and, thus, the throwing the corpse in the water might have been resorted to, at any period of the day or night, as the most obvious and most immediate mode of disposal. You will understand that I suggest nothing here as probable, or as cõin. cident with my own opinion. My design, so far, has no reference to the facts of the case. I wish merely to caution you against the whole tone of L'Etoile’s suggestion, by calling your attention to its ex parte character at the outset.

“Having prescribed thus a limit to suit its own preconceived notions; having assumed that, if this were the body of Marie, it could have been in the water but a very brief time; the journal goes on to say:

• All experience has shown that drowned bodies, or bodies thrown into tho water immediately after death by violence, require from six to ten days for sufficient decomposition to take pla ze to bring them to the top of the water. Even when a cannon is fired over a corpse, and it rises before at least five or six days' immersion, it sinks again if let alone.'

“ These assertions have been tacitly received by every paper in Paris, with the exception of Le Moniteur.* This latter print endeavors to combat that portion of the paragraph which has reference to drowned bodies' only, by citing some five or six instances in which the bodies of individuals known to be drowned were found floating after the lapse of less time than is insisted upon by L'Etoile. But there is something excessively unphilosophical in the attempt on the part of Le Moniteur, to rebut the general assertion of L'Etoile, by a citation of particular instances militating against that assertion. Had it been possible to adduce fifty instead of five examples of bodies found floating at the end of two or three days, these fifty examples could still have been properly regarded only as exceptions to L'Etoile's rule, until such time as the rule itself should be confuted. Admitting the rule, (and this Le Moniteur does not deny, insisting merely upon its exceptions,) the argument of L'Etoile is suffered to remain in full force; for this argument does not pretend to involve more than a question of the probability of the body having risen to the surface in less than three days; and this probability will be in favor of L'Etoile's position until the instances so childishly ad. duced shall be sufficient in number to establish an antagonistical rule.

“ You will see at once that all argument upon this head should be urged, if at all, against the rule itself; and for this end we must examine the rationale of the rule. Now the human body, in general, is neither much lighter nor much heavier than the water of the Seine ; that is to say, the specific gravity of the hu. man body, in its natural condition, is about equal to the bulk of fresh water which it displaces. The bodies of fat and fleshy persons, with small bones, and of women generally, are lighter than those of the lean and large-boned, and of men ; and the specific gravity of the water of a river is somewhat influenced by the

* The “N. Y. Commercial Advertiser,” edited by Col. Stone.

presence of the tide from sea. But, leaving this tide out of ques. tion, it may be said that very few human bodies will sink at all, even in fresh water, of their own accord. Almost any one, fall. ing into a river, will be enabled to float, if he suffer the specific gravity of the water fairly to be adduced in comparison with his own—that is to say, if he suffer his whole person to be immersed, with as little exception as possible. The proper position for one who cannot swim, is the upright position of the walker on land, with the head thrown fully back, and immersed; the mouth and nostrils alone remaining above the surface. Thus circumstanced, we shall find that we float without difficulty and without exertion. It is evident, however, that the gravities of the body, and of the bulk of water displaced, are very nicely balanced, and that a trifle will cause either to preponderate. An arm, for instance, uplifted from the water, and thus deprived of its support, is an additional weight sufficient to immerse the whole head, while the accidental aid of the smallest piece of timber will enable us to elevate the head so as to look about. Now, in the struggles of one unused to swimming, the arms are invariably thrown upwards, while an attempt is made to keep the head in its usual perpendicular position. The result is the immersion of the mouth and nostrils, and the inception, during efforts to breathe while beneath the surface, of water into the lungs. Much is also received into the stomach, and the whole body becomes heavier by the difference between the weight of the air originally distending these cavities, and that of the fluid which now fills them. This difference is sufficient to cause the body to sink, as a general rule ; but is insufficient in the cases of individuals with small bones and an abnormal quantity of flaccid or fatty matter. Such individuals float even after drowning.

The corpse, being supposed at the bottom of the river, will there remain until, by some means, its specific gravity again be. comes less than that of the bulk of water which it displaces. This effect is brought about by decomposition, or otherwise. The result of decomposition is the generation of gas, distending the cel. lular tissues and all the cavities, and giving the puffed appearance which is to horrible. When this distension has so far progressed that the bulk of the corpse is materially increased with

VOL. I.-13.

out a corresponding increase of mass or weight, its specific gravity becomes less than that of the water displaced, and it forth with makes its appearance at the surface. But decomposition is modi. fied by innumerable circumstances—is hastened or retarded by innumerable agencies ; for example, by the heat or cold of the season, by the mineral impregnation or purity of the water, by its depth or shallowness, by its currency or stagnation, by the temperament of the body, by its infection or freedom from disease before death. Thus it is evident that we can assign no period, with any thing like accuracy, at which the corpse shall rise through decomposition. Under certain conditions this result would be brought about within an hour; under others, it might not take place at all. There are chemical infusions by which the animal frame can be preserved forever from corruption; the Bi-chloride of Mercury is one. But, apart from decomposition, there may be, and very usually is, a. generation of gas within the stomach, from the acetous fermentation of vegetable matter (or within other cavities from other causes) sufficient to induce a distension which will bring the body to the surface. The effect produced by the firing of a cannon is that of simple vibration. This may either loosen the corpse from the soft mud or ooze in which it is imbed. ded, thus permitting it to rise when other agencies have already prepared it for so doing; or it may overcome the tenacity of some putrescent portions of the cellular tissue; allowing the cavities to distend under the influence of the gas.

“ Having thus before us the whole philosophy of this subject, we can easily test by it the assertions of L'Etoile. rience shows,' says this paper, that drowned bodies, or bodies thrown into the water immediately after death by violence, require from six to ten days for sufficient decomposition to take place to bring them to the top of the water.

Even when a cannon is fired over a corpse, and it rises before at least five or six days' immersion, it sinks again if let alone.'

“ The whole of this paragraph must now appear a tissue of in. consequence and incoherence. All experience does not show that drowned bodies' require from six to ten days for sufficient decomposition to take place to bring them to the surface. Both science and experience show that the period of their rising is, and

• All expe

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