Archive for the ‘Insects’ Category

Your Observation … concerning Insects, is … just and solid.

The letters between MARY “POLLY” STEVENSON and Benjamin Franklin are so interesting and charming I have decided to include Franklin’s letters as well as Polly’s as they form a personal conversation providing a window into the life and times of both. I am so impressed by Franklin the scientist and his belief that science was an appropriate topic of study for a woman seeking to educate herself. In the following letter he replied to Polly’s query about how a barometer works and then launched into a rather lengthy defense of insects which had been the subject of her reading.

Your Observation on what you have lately read concerning Insects, is very just and solid. Superficial Minds are apt to despise those who make that Part of Creation their Study, as mere Triflers; but certainly the World has been much oblig’d to them. Under the Care and Management of Man, the Labours of the little Silkworm afford Employment and Subsistence to Thousands of Families, and become an immense Article of Commerce. The Bee, too, yields us its delicious Honey, and its Wax useful to a multitude of Purposes. Another Insect, it is said, produces the Cochineal, from whence we have our rich Scarlet Dye. . . . By human Industry and Observation, other Properties of other Insects may possibly be hereafter discovered, and of equal Utility. A thorough Acquaintance with the Nature of these little Creatures, may also enable Mankind to prevent the Increase of such as are noxious or secure us against the Mischiefs they occasion. These Things doubtless your Books make mention of: I can only add a particular late Instance which I had from a Swedish Gentleman of good Credit. In the green Timber intended for Ship-building at the King’s Yards in that Country, a kind of Worms were found, which every Year became more numerous and more pernicious, so that the Ships were greatly damag’d before they came into Use. The King sent Linnaeus, the great Naturalist, from Stockholm, to enquire into the Affair, and see if the Mischief was capable of any Remedy. He found on Examination, that the Worm was produc’d from a small Egg deposited in the little Roughnesses on the Surface of the Wood, by a particular kind of Fly or Beetle; from whence the Worm, as soon as it was hatch’d, began to eat into the Substance of the Wood, and after some time came out again a Fly of the Parent kind, and so the Species increas’d. The Season in which this Fly laid its Eggs, Linnaeus knew to be about a Fortnight (I think) in the Month of May, and at no other time of the Year. He therefore advis’d, that some Days before that Season, all the green Timber should be thrown into the Water, and kept under Water till the Season was over. Which being done by the King’s Order, the Flies missing their usual Nests, could not increase; and the Species was either destroy’d or went elsewhere; and the Wood was effectually preserved, for after the first Year, it became too dry and hard for their purpose.
There is, however, a prudent Moderation to be used in Studies of this kind. The Knowledge of Nature may be ornamental, and it may be useful, but if to attain an Eminence in that, we neglect the Knowledge and Practice of essential Duties, we deserve Reprehension. For there is no Rank in Natural Knowledge of equal Dignity and Importance with that of being a good Parent, a good Child, a good Husband, or Wife, a good Neighbour or Friend, a good Subject or Citizen, that is, in short, a good Christian. . . .
Adieu, my dear Friend, and believe me ever Yours affectionately
B Franklin
Your good Mother is well, and gives her Love and Blessing to you. My Compliments to your Aunts, Miss Pitt, &c. Miss Stevenson

“From Benjamin Franklin to Mary Stevenson, 11 June 1760,” Founders Online, National Archives, last modified June 13, 2018, http://founders.archives.gov/documents/Franklin/01-09-02-0041. [Original source: The Papers of Benjamin Franklin, vol. 9, January 1, 1760, through December 31, 1761, ed. Leonard W. Labaree. New Haven: Yale University Press, 1966, pp. 119–122.]

posted January 23rd, 2019 by Janet, comments (0), CATEGORIES: Education,Franklin, Benjamin,Friendship,Hewson, Mary "Polly" Stevenson,Insects

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