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You just now said that this animal has been long an object of attention to you; have you studied it as a comparative anatomist, in search of the solution of the problem of its reproduction? The Unknown. No; this inquiry has been pursued by much abler investigators: by Schreiber and Configliachi; my researches were made upon its respiration and the changes occasioned in water by its bronchia. Eub.
The proportion of this last gas, measured by the absorption of lime-water in graduated tubes, appeared more uniform than that of the oxygen, of which some individuals yielded almost double the quantity. From the curious phenomena observed by MM. Biot, Configliachi, and Delaroche, we might suppose, that the swordfish dissected by Dr.
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