Staple Dietary Ingredients Secured | My Web Site Page 247 Chapter 01 Page 05

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The moment was critical. Captain Mason with about ninety English and seventy Mohegans, under their sachem, Uncas (a sub chief, who with his district, Mohegan, had rebelled against the Pequot sachem, Sassacus), was sent from Hartford down the Connecticut River. Entering the Sound, he sailed past the mouth of the Thames and anchored in Narragansett Bay, at the foot of Tower Hill, near Point Judith. He knew that keen-eyed scouts from the Pequot stronghold on the west bank of the Mystic River, near Groton, had, as his three little ships skirted the shore, been watching him, to give warning of his approach. He therefore resolved to come upon the enemy from an unlooked-for quarter. This plan was directly contrary to his instructions, which required him to land at the mouth of the Thames and attack the fort from the west side. He hoped, marching westward across the country, to take the enemy by surprise on their unprotected rear, while the Indians, trusting in the strength of their fort, as it fronted the west, should believe themselves secure.

In a similar manner a _downward_ variation of the determinants may take place, if its progress be started by a diminished flow of nutriment. The determinants which are weakened by this diminished flow will have less affinity for attracting nutriment because of their diminished strength, and they will assimilate more feebly and grow more slowly, unless chance streams of nutriment help them to recover themselves. But, as will presently be shown, a change of direction cannot take place at _every_ stage of the degenerative process. If a certain critical stage of downward progress be passed, even favourable conditions of food-supply will no longer suffice permanently to change the direction of the variation. Only two cases are conceivable; if the determinant corresponds to a _useful_ organ, only its removal can bring back the germ-plasm to its former level; therefore personal selection removes the id in question, with its determinants, from the germ-plasm, by causing the elimination of the individual in the struggle for existence. But there is another conceivable case; the determinants concerned may be those of an organ which has become _useless_, and they will then continue unobstructed, but with exceeding slowness, along the downward path, until the organ becomes vestigial, and finally disappears altogether.

When a large number of assays of the same kind have to be carried out, a plan something like the following is adopted:--The samples, after having been dried, are placed in order on a table at the left hand of the assayer. He takes the first, marks it with a number, samples and weighs up the quantity required, and transfers it to a flask, which is similarly marked. As the weighings are finished, the samples are placed in the same order on his right hand. The assistant takes the flasks in batches of four or five at a time to the fume cupboard, where he adds a measured quantity of acid. When solution has been effected, dilution with a measured volume is generally necessary. The assayer sees to this and (whilst the funnels and filters are being prepared) makes any separation that is necessary. The filters are arranged in order on a rack (fig. 11), and need not be marked unless the precipitates or residues have subsequently to be dried. The filters are washed with hot water, and if the filtrates are wanted flasks are placed beneath, if not, the solution is drained off down the sink. Precipitation or reduction (or whatever it may be) is now made; the assistant filters the prepared samples, one at a time, whilst the assayer is engaged with the others. The same style of work is continued until the assays are completed. If one should be spoiled, it is better to allow it to stand over for assaying along with the next batch. If one filters slowly or is in any way less forward than the rest, it may lessen the accuracy of the other assays, owing to oxidation, &c., it should, therefore, be put on one side. The assays are dealt with in batches of ten or twenty, so that a large quantity of work can be quickly finished.

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