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John Eatton Le Conte

John Eatton Le Conte is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand John Eatton Le Conte rather than just read about it. In short: John Eatton Le Conte Jr. (sometimes John Eatton LeConte or John Eaton Leconte) (February 22, 1784 – November 21, 1860) was an American naturalist.

John Eatton Le Conte — main illustration
John Eatton Le Conte — illustration

Key takeaways

  • John Eatton Le Conte belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect John Eatton Le Conte to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of John Eatton Le Conte from memory before moving on to harder problems.

Reference excerpt

John Eatton Le Conte Jr. (sometimes John Eatton LeConte or John Eaton Leconte) (February 22, 1784 – November 21, 1860) was an American naturalist. He was born near Shrewsbury, New Jersey, the son of John Eatton Le Conte and Jane Sloane Le Conte. He graduated from Columbia College, where he showed an interest in science and was taught natural history by David Hosack, founder of Elgin Botanical Garden. John Le Conte's older brother Louis inherited the family plantation, Woodmanston, near Midway in Georgia. Although John Le Conte usually lived in New York or New England, he spent his winters at Woodmanston. He suffered from rheumatism, and possibly other ailments, for most of his adult life. In April 1818 Le Conte was appointed captain in the United States Army Corps of Topographical Engineers. His early assignments included surveying the vicinity of Norfolk, Virginia, the harbor at Savannah, Georgia and Ossabaw Sound, Georgia. LeConte was promoted to brevet major in April 1828, and resigned his commission in August 1831. Early in 1821 John Le Conte approached John C. Calhoun, Secretary of War, to propose an exploration expedition to the newly acquired territory of Florida. Later in the year he again contacted Secretary Calhoun, noting that he was assigned to survey the harbor at Savannah that winter, and proposing that he undertake an expedition to Florida while in Georgia for the winter. He requested $970 for the expedition, including the cost of hiring a sloop and crew for one month. The War Department provided him with $600. In early 1822 he proceeded to Fernandina, Florida, carrying an order issued by Major General Winfield Scott that the commanding officer at Amelia Island provide eight men and a non-commissioned officer to accompany Le Conte on his expedition. A Lieutenant Edwin R. Alberti also joined Le Conte's expedition. The Le Conte party explored up the St. Johns River. The St. Johns River had previously been explored by John and William Bartram in 1765-66 and again by William Bartram in 1773–77, but neither expedition had reached the source of the river. Le Conte also failed to find the headwaters of the river. He wrongly concluded that Lake Okeechobee (which was shown as the source for the St. Johns River on many maps) did not exist, and his description of the river upstream from Lake George is inaccurate. His earliest publication (1811) was a Latin text catalogue of plants found on Manhattan Island. An early ambition to publish an American flora was partially pre-empted when Stephen Elliott began A Sketch of the Botany of South-Carolina and Georgia. He then published a number of papers, each on a separate plant genus. In some, he was critical of Elliott's work although sharing his notes on Utricularia with Elliott. After Elliott's death, Le Conte published only occasional papers on plants. Le Conte's primary interests were zoological, and he co-authored with Jean Baptiste Boisduval a book on insects, Histoire général et iconographie des lepidoptérès et des chenilles de l’Amerique septentrionale (that is, "General history and illustrations of the Lepidoptera and caterpillars of North{ern} America"), which was published at Paris. Many of the illustrations for this work were done by John Abbot. He also wrote on frogs, toads, small mammals, reptiles, and crustaceans. Le Conte's color drawings of North American tortoises led to him being called The Audubon of Turtles. He described and named twenty-two species and sub-species of terrapins and tortoises in the southeastern United States. John Eatton Le Conte was a fellow of the Linnean Society of London and served as vice-president of the Lyceum of Natural History of New York. When he moved to Philadelphia after 1841, he was elected vice-president of the Academy of Natural Sciences. In 1851, he was elected as a member of the American Philosophical Society. John Eatton Le Conte married Mary Ann Hampton Lawrence on July 22, 1821, in New York. Their son John Lawrence Le Conte, who became one of the USA's most important early entomologists, was born on May 13, 1825, in New York. Mary Le Conte died November 19, 1825, while traveling to Georgia from New York. John Eatton Le Conte died on November 21, 1860.

References

Sources Adicks, Richard, Ed. (1978) Le Conte's Report on East Florida. Orlando, Florida: The University Presses of Florida. Calhoun, J. (2004). Histoire Générale et Iconographie des Lépidoptères et des Chenilles de l’Amérique septentrionale by Boisduval and Le Conte (1829-[1837]): original drawings used for the engraved plates and the true identities of four figured taxa. Journal of the Lepidopterists' Society 58:143-168. Calhoun, J. (2005). A signature worth a thousand words [correct configuration of Le Conte's surname]. News of the Lepidopterists' Society 47:114. Calhoun, J. (2006). John Abbot's "lost" drawings for John Eatton Le Conte in the American Philosophical Society Library, Philadelphia. Journal of the Lepidopterists' Society 60:211-217. Rogers-Price, Vivian; Rogers, George A.; Frost, Cynthia J. (January 2004). "John Eaton LeConte (1784—1860) was born near Shrewsbury, NJ". Georgia Journal of Science. Archived from the original on November 9, 2005 – via FindArticles. Integrated Taxonmic Information System Search Results Taxon Author(s): LeConte (1830) - retrieved February 24, 2006 The John Abbot Watercolors at the University of South Carolina - retrieved February 26, 2006

Illustrations

John Eatton Le Conte illustration

Worked examples

Example 1 — a first encounter with John Eatton Le Conte

Start with the simplest possible case. Write down what John Eatton Le Conte claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to John Eatton Le Conte before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about John Eatton Le Conte ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of John Eatton Le Conte

In research
John Eatton Le Conte appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses John Eatton Le Conte in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
John Eatton Le Conte is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1784 births, 1860 deaths, American entomologists, so understanding it makes those chapters shorter.
In everyday life
Look for John Eatton Le Conte outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study John Eatton Le Conte in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what John Eatton Le Conte means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain John Eatton Le Conte out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is John Eatton Le Conte in simple terms?

John Eatton Le Conte Jr. (sometimes John Eatton LeConte or John Eaton Leconte) (February 22, 1784 – November 21, 1860) was an American naturalist.

Why does John Eatton Le Conte matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study John Eatton Le Conte?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on John Eatton Le Conte.

Tags

  • 1784 births
  • 1860 deaths
  • American entomologists
  • American naturalists
  • Columbia College, Columbia University alumni
  • Fellows of the Linnean Society of London
  • Members of the American Philosophical Society
  • People from Liberty County, Georgia
  • People from Shrewsbury, New Jersey

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