GEORGE PEACOCK (1791-1858), English mathematician, was born at Thornton Hall, Denton, near Darlington, on the 9th of April 1791.
The middle feathers of the tail, ordinarily concealed, as are those of the Peacock, by the uropygials, are black, and the outer white with a black base.
The feathers of a peacock afford a convenient example of primitive and degenerative simplicity.
Augustine made experiments on the flesh of a peacock in order to find physical evidence for the doctrine.
- Maidment, The Chronicle of Perth from 1210 to 1668 (1831); Penney, Traditions of Perth (1836); Lawson, The Book of Perth (1847); Peacock, Perth, its Annals and Archives (1849); Samuel Cowen, The Ancient Capital of Scotland (1904).
Peacock threw himself with characteristic ardour into the duties of this new position.
Copper gives a peacock-blue which becomes green if the proportion of the copper oxide is increased.
Peacock, Symbolical Algebra (Cambridge, 1845); G.
Asoka was the grandson of Chandragupta, the founder of the Maurya (Peacock) dynasty, who had wrested the Indian provinces of Alexander the Great from the hands of Seleucus, and he was the son of Bindusara, who succeeded his father Chandragupta, by a lady from Champa.
Among the educational institutions in San Antonio are the San Antonio Female College (Methodist Episcopal, South; 1894), the West Texas Military Academy; Peacock Military School; St Mary's Hall (Roman Catholic); St Louis College; and the Academy of Our Lady of the Lake (under the Sisters of Divine Providence, who have a convent here).
Pavonia, the peacock tiger flower, from Mexico, grows to 2 ft.
Among more ideal work are "Eve" (1880), "Diana" (1882 and 1891), "Woman and Peacock," and "The Poet," astride his Pegasus spreading wings for flight.
The chief sub-races are (a) peacock, fan or battledore barley, described by Linnaeus as a distinct species, H.
The red jungle fowl (Gallus ferrugineus), supposed to be the ancestor of our own poultry, is not good eating; and the same may be said of the peacock (Pavo cristatus), except when young.
His vanity, however, as has been admirably remarked, is essentially that of " the peacock, not of the gander," and is redeemed by his willingness to raise a laugh at his own expense (Strachan-Davidson, p. 192).
The massive and compact mineral frequently exhibits this iridescent tarnish, and is consequently known to miners as "peacock ore" or "peacock copper."
When going to solemn ceremonies he is carried on the sedia, a portable chair of red velvet with a high back, and escorted by two flabelli of peacock feathers.
The gallinaceous birds include the peacock, which everywhere adorns the forest bordering on the plains, jungle fowl and several pheasants; partridges, of which the chikor may be named as most abundant, and snowpheasants and partridges, found only at the greatest elevations.
It was in the recess in the back wall of this hall that the famous Peacock Throne used to stand, "so called from its having the figures of two peacocks standing behind it, their tails being expanded and the whole so inlaid with sapphires, rubies, emeralds, pearls and other precious stones of appropriate colours as to represent life."
Along with Sir John Herschel and George Peacock he laboured to raise the standard of mathematical instruction in England, and especially endeavoured to supersede the Newtonian by the Leibnitzian notation in the infinitesimal calculus.
His first work, An Elementary Treatise on Mechanics (1819), co-operated with those of Peacock and Herschel in reforming the Cambridge method of mathematical teaching; to him in large measure was due the recognition of the moral and natural sciences as an integral part of the Cambridge curriculum (1850).
The third grade, for civilians a peacock, for the military a leopard with a clasp of worked gold.
In 1855 he published a memoir of Thomas Young, and about the same time there appeared Young's collected works in three volumes, for the first two of which Peacock was responsible.
This study was inaugurated by George Peacock, who was one of the earliest mathematicians to recognize the symbolic character of the fundamental principles of algebra.
The colours previously available for English table-glass were ruby, canary-yellow, emerald-green, dark peacock-green, light peacock-blue, dark purple-blue and a dark purple.
The expedition, including naturalists, botanists, a mineralogist, taxidermists, a philologist, &c., was carried by the sloops-of-war "Vincennes" and "Peacock," the brig "Porpoise," the storeship "Relief" and two tenders.
Ocellata, whose plumage almost vies with that of a peacock in splendour, while the bare skin which covers the head is of a deep blue studded with orange caruncles (Proc. Zool.
The celebrated "Peacock Throne," said to have been worth 6,000,000 also dates from his reign; and he was the founder of the modern city of Delhi, the native name of which is Shahjahanabad.
In later times the peacock, which was still unfamiliar to the Greeks in the 5th century, was her favourite, especially at Samos.
From the more purely symbolical view it was developed by Peacock, De Morgan, &c., as double algebra.
The most important are eagles, kites, vultures, falcons, owls, horn-bills, cranes, pheasants (notably the argus, fire-back and peacock-pheasants), partridges, ravens, crows, parrots, pigeons, woodpeckers, doves, snipe, quail and swallows.
At Delhi also he erected the celebrated peacock throne; but his favourite place of residence was Agra, where his name will ever be associated with the marvel of Indian architecture, the Taj Mahal.