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Marie Jules César Lelorgne de Savigny (; 5 April 1777 – 5 October 1851) was a French
zoologist Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and ...
. Savigny was born at
Provins Provins () is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France. Known for its well-preserved medieval architecture and importance throughout the Middle Ages as an economic center and a host of annu ...
. In 1798 he travelled to
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Med ...
with the Emperor Napoleon as part of the French scientific expedition to that country, and contributed to the publication of the findings of the expedition in 1809 (''
Description de l'Égypte The ''Description de l'Égypte'' ( en, Description of Egypt) was a series of publications, appearing first in 1809 and continuing until the final volume appeared in 1829, which aimed to comprehensively catalog all known aspects of ancient and m ...
''; published more fully in 1822). He wrote about the fauna in the
Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ...
and the
Red Sea The Red Sea ( ar, البحر الأحمر - بحر القلزم, translit=Modern: al-Baḥr al-ʾAḥmar, Medieval: Baḥr al-Qulzum; or ; Coptic: ⲫⲓⲟⲙ ⲛ̀ϩⲁϩ ''Phiom Enhah'' or ⲫⲓⲟⲙ ⲛ̀ϣⲁⲣⲓ ''Phiom ǹšari''; ...
. He is also known for proposing a theory that the mouth-parts of insects are homologous with
locomotory organ Animal locomotion, in ethology, is any of a variety of methods that animals use to move from one place to another. Some modes of locomotion are (initially) self-propelled, e.g., running, swimming, jumping, flying, hopping, soaring and gliding. T ...
s (e.g. legs).


Education and travel to Egypt

At age 16, Savigny traveled from his home of
Provins Provins () is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France. Known for its well-preserved medieval architecture and importance throughout the Middle Ages as an economic center and a host of annu ...
, in the department of
Seine et Marne Seine-et-Marne () is a department in the Île-de-France region in Northern France. Named after the rivers Seine and Marne, it is the region's largest department with an area of 5,915 square kilometres (2,284 square miles); it roughly covers its e ...
, to
Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. ...
to finish his studies. Being very interested in
botany Botany, also called plant science (or plant sciences), plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "bot ...
, he worked at the ''
Muséum national d'histoire naturelle The French National Museum of Natural History, known in French as the ' (abbreviation MNHN), is the national natural history museum of France and a ' of higher education part of Sorbonne Universities. The main museum, with four galleries, is loca ...
'' with
Jean-Baptiste Lamarck Jean-Baptiste Pierre Antoine de Monet, chevalier de Lamarck (1 August 1744 – 18 December 1829), often known simply as Lamarck (; ), was a French naturalist, biologist, academic, and soldier. He was an early proponent of the idea that biolog ...
and
Georges Cuvier Jean Léopold Nicolas Frédéric, Baron Cuvier (; 23 August 1769 – 13 May 1832), known as Georges Cuvier, was a French naturalist and zoologist, sometimes referred to as the "founding father of paleontology". Cuvier was a major figure in na ...
. Cuvier suggested to Napoleon that the 21-year-old Savigny should follow him as zoologist to
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Med ...
. Savigny became responsible for studying
invertebrates Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...
, while
Étienne Geoffroy Saint-Hilaire Étienne Geoffroy Saint-Hilaire (15 April 177219 June 1844) was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories. ...
took care of the
vertebrates Vertebrates () comprise all animal taxa within the subphylum Vertebrata () ( chordates with backbones), including all mammals, birds, reptiles, amphibians, and fish. Vertebrates represent the overwhelming majority of the phylum Chordata, wi ...
. After returning to Paris, in 1802, Savigny started to work on the large collections from Egypt, producing a number of manuscripts and plates. In 1805 he published ''Histoire naturelle et mythologique de l'ibis'' (Natural and mythological history of the
ibis The ibises () (collective plural ibis; classical plurals ibides and ibes) are a group of long-legged wading birds in the family Threskiornithidae, that inhabit wetlands, forests and plains. "Ibis" derives from the Latin and Ancient Greek word f ...
). As a botanist he described the genus ''
Bruguiera ''Bruguiera'' is a plant genus in the family Rhizophoraceae. It is a small genus of five mangrove species and three hybrids of the Indian and west Pacific Ocean region, its range extending from East Africa and Madagascar through coastal India, ...
'' (Savigny in Lam. 1798) and dozens of plant species.


Later years

By 1817, Savigny's eyesight had deteriorated, and he had to stop working for a number of years. Between 1816 and 1820 he published the important ''Mémoires sur les animaux sans vertèbres'' (Memoires on the animals without vertebrae). After returning to work in 1822, his eyesight continued to worsen, and by 1824 he became more-or-less blind, with terrible "optical hallucinations." Victor Audouin offered to complete Savigny's work but Savigny refused to part with the original artwork. Savigny was elected member of the
Academy of Science An academy of sciences is a type of learned society or academy (as special scientific institution) dedicated to sciences that may or may not be state funded. Some state funded academies are tuned into national or royal (in case of the Unite ...
on 30 July 1821.


Species and genera named for Savigny


Genera

*''
Savignya ''Savignya'' is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains one known species, Savignya parviflora (Delile) Webb It has 2 Accepted subspecies; * ''Savignya parviflora subsp. globosa'' - Libya ...
'' (family
Brassicaceae Brassicaceae () or (the older) Cruciferae () is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The l ...
)
DC. Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple of years de Candolle ...
*'' Savignyella'' DC. *''
Savignia ''Savignia'' is a genus of sheet weavers that was first described by John Blackwall in 1833. The name honors the French naturalist Marie Jules César Savigny. Species it contains twenty-three species, found in Europe, Africa, Asia, Ocean ...
'' Blackwall, 1833


Species

*'' Acanthodactylus savignyi'' Audouin, 1809 *''
Anachis savignyi ''Anachis'' is a large genus of sea snails in the family Columbellidae, the dove snails. Species , the World Register of Marine Species listed the following species in genus ''Anachis'' * '' Anachis adelinae'' G. W. Tryon, 1883 – West Ameri ...
'' Moazzo, 1939 *''
Ciona savignyi ''Ciona savignyi'' is a marine animal sometimes known as the Pacific transparent sea squirt or solitary sea squirt. It is a species of tunicates in the family Cionidae. It is found in shallow waters around Japan and has spread to the west coast ...
'' Herdman, 1882 *''
Diadema savignyi ''Diadema savignyi'' is a species of long-spined sea urchin belonging to the family Diadematidae. Common names include long-spined sea urchin, black longspine urchin and the banded diadem. It is native to the east coast of Africa, the Red Sea, t ...
'' (Audouin, 1809) *'' Embia savignyi'' Westwood, 1837 *''
Goniopora savignyi ''Goniopora'', often called flowerpot coral, is a genus of colonial stony coral found in lagoons and turbid water conditions. ''Goniopora'' have numerous daisy-like polyps that extend outward from the base, each tipped with 24 stinging t ...
'' (
Dana Dana may refer to: People Given name * Dana (given name) Surname * Dana (surname) * Dana family of Cambridge, Massachusetts ** James Dwight Dana (1813–1895), scientist, zoological author abbreviation Dana Nickname or stage name * Dan ...
, 1846)
*'' Hyla savignyi'' Audouin, 1827 *'' Leptochelia savignyi'' ( Krøyer, 1842) *'' Loimia savignyi'' M'Intosh, 1885 *'' Microcosmus savignyi'' Monniot, 1962 *''
Ophiactis savignyi ''Ophiactis savignyi'' is a species of brittle star in the family Ophiactidae, commonly known as Savigny's brittle star or the little brittle star. It occurs in the tropical and subtropical parts of all the world's oceans and is thought to b ...
'' J. Müller &
Troschel Franz Hermann Troschel (10 October 1810 – 6 November 1882) was a German zoologist born in Spandau. He studied mathematics and natural history at the University of Berlin, where he was awarded his doctorate in 1834.Beolens, Bo; Watkins, Michael; ...
*''
Planaxis savignyi ''Planaxis savignyi'' is a species of sea snail, a marine gastropod mollusk in the family Planaxidae. Description The length of the shell attains 17 mm. Distribution It is found in the Red Sea The Red Sea ( ar, البحر الأحم ...
''
Deshayes Deshayes is a surname of French origin. * André-Jean-Jacques Deshayes (1777–1846), French ballet dancer and choreographer * Arnouph Deshayes de Cambronne (1768–1846), French governor * Catherine Deshayes, widow Monvoisin, known as " La Voisin" ...
, 1844
*''
Pusia savignyi ''Pusia savignyi'' is a species of ribbed miters, a genus of marine sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic ...
'' ( Payraudeau, 1826) *'' Sepia savignyi'' H. de Blainville, 1827 *''
Siderastrea savignyana Siderastreidae is a family of reef building stony corals. Members of the family include symbiotic algae called Zooxanthellae in their tissues which help provide their energy requirements. Description Members of this family are colonial, hermat ...
''
H. Milne Edwards Henri Milne-Edwards (23 October 1800 – 29 July 1885) was an eminent French zoologist. Biography Henri Milne-Edwards was the 27th child of William Edwards, an English planter and colonel of the militia in Jamaica and Elisabeth Vaux, a Frenchwo ...
& Haime, 1850
*'' Dynamenella savignii'' H. Milne Edwards, 1840 *'' Thais savignyi'' (Deshayes, 1844) *''
Trapelus savignii Savigny's agama (''Trapelus savignii'') is a species of lizard in the family Agamidae. The species is native to the Levant. Etymology Both the specific name, ''savignii'', and the common name, Savigny's agama, are in honor of French zoologist ...
'' A.M.C. Duméril &
Bibron Gabriel Bibron (20 October 1805 – 27 March 1848) was a French zoologist and herpetologist. He was born in Paris. The son of an employee of the Museum national d'histoire naturelle, he had a good foundation in natural history and was hire ...
, 1837
*''
Trididemnum savignii ''Trididemnum'' is a genus of tunicates belonging to the family Didemnidae. The genus has cosmopolitan distribution. Species Species: *'' Trididemnum alexi'' *'' Trididemnum alleni'' *'' Trididemnum amiculum'' *'' Trididemnum areolatum'' ...
'' ( Herdman, 1886)


Synonyms and rejected names

*''
Savignya ''Savignya'' is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains one known species, Savignya parviflora (Delile) Webb It has 2 Accepted subspecies; * ''Savignya parviflora subsp. globosa'' - Libya ...
'' Desor, 1855 *''
Vexillum savignyi ''Pusia savignyi'' is a species of Costellariidae, ribbed miters, a genus of marine (ocean), marine sea snails. Distribution This marine species occurs off Sicily, Italy. References External links Payraudeau, B. C. (1826). Catalogue descript ...
'' (Payraudeau, 1826)


References


External links


Marie-Jules-César Lelorgne de Savigny (1777-1851)
Archives Départementales de Seine-et-Marne (biography in French) {{DEFAULTSORT:Savigny, Marie Jules Cesar 1777 births 1851 deaths People from Provins Commission des Sciences et des Arts members French ornithologists Members of the French Academy of Sciences Members of the Prussian Academy of Sciences National Museum of Natural History (France) people