James Cossar Ewart
Encyclopedia
James Cossar Ewart FRS
Royal Society
The Royal Society of London for Improving Natural Knowledge, known simply as the Royal Society, is a learned society for science, and is possibly the oldest such society in existence. Founded in November 1660, it was granted a Royal Charter by King Charles II as the "Royal Society of London"...
(November 26, 1851 – December 31, 1933) was a Scottish
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...
zoologist. He was the son of John Ewart, a joiner
Joiner
A joiner differs from a carpenter in that joiners cut and fit joints in wood that do not use nails. Joiners usually work in a workshop since the formation of various joints generally requires non-portable machinery. A carpenter normally works on site...
, and Jean Cossar.
Ewart was born in Penicuik
Penicuik
Penicuik is a burgh and civil parish in Midlothian, Scotland, lying on the west bank of the River North Esk. The town was developed as a planned village in 1770 by Sir James Clerk of Penicuik. It became a burgh in 1867. The town was well known for its paper mills, the last of which closed in 2005....
, Midlothian
Midlothian
Midlothian is one of the 32 council areas of Scotland, and a lieutenancy area. It borders the Scottish Borders, East Lothian and the City of Edinburgh council areas....
, Scotland
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...
. He studied medicine from 1871 to 1874 at the University of Edinburgh
University of Edinburgh
The University of Edinburgh, founded in 1583, is a public research university located in Edinburgh, the capital of Scotland, and a UNESCO World Heritage Site. The university is deeply embedded in the fabric of the city, with many of the buildings in the historic Old Town belonging to the university...
, where he later became professor of Natural History from 1882 to 1927. After graduation, he became an anatomy demonstrator under William Turner
William Turner (University Principal)
Sir William Turner was a British anatomist and was the Principal of the University of Edinburgh from 1903 to 1916....
and then held the position of Curator of the Zoological Museum at University College, London, where he was instrumental in establishing the first course of practical zoology. Here he collaborated with Ray Lankester
Ray Lankester
Sir E. Ray Lankester KCB, FRS was a British zoologist, born in London.An invertebrate zoologist and evolutionary biologist, he held chairs at University College London and Oxford University. He was the third Director of the Natural History Museum, and was awarded the Copley Medal of the Royal...
, later director of the Natural History Museum. He was elected a Fellow of the Royal Society in June, 1893, having jointly delivered their Croonian Lecture
Croonian Lecture
The Croonian Lectures are prestigious lectureships given at the invitation of the Royal Society and the Royal College of Physicians.Among the papers of William Croone at his death in 1684, was a plan to endow one lectureship at both the Royal Society and the Royal College of Physicians...
in 1881.
Among various other studies, he performed breeding experiments with horse
Horse
The horse is one of two extant subspecies of Equus ferus, or the wild horse. It is a single-hooved mammal belonging to the taxonomic family Equidae. The horse has evolved over the past 45 to 55 million years from a small multi-toed creature into the large, single-toed animal of today...
s and zebra
Zebra
Zebras are several species of African equids united by their distinctive black and white stripes. Their stripes come in different patterns unique to each individual. They are generally social animals that live in small harems to large herds...
s, well before the rediscovery of Gregor Mendel
Gregor Mendel
Gregor Johann Mendel was an Austrian scientist and Augustinian friar who gained posthumous fame as the founder of the new science of genetics. Mendel demonstrated that the inheritance of certain traits in pea plants follows particular patterns, now referred to as the laws of Mendelian inheritance...
's works. Ewart crossed a male zebra with a female pony
Pony
A pony is a small horse . Depending on context, a pony may be a horse that is under an approximate or exact height at the withers, or a small horse with a specific conformation and temperament. There are many different breeds...
to show that the theory of telegony
Telegony (pregnancy)
Telegony is a theory in heredity, now discredited but widely believed until the late 19th century, holding that offspring can inherit the characteristics of a previous mate of the female parent; thus the child of a widowed or remarried woman might partake of traits of a previous husband...
inherited from the Greeks was unsound. Telegony held that a female with a history of mating with multiple males would pass on genetic qualities of all previous partners to her offspring. Ewart later bred the mare which had produced zebra-horse hybrids with a pony, and the offspring showed no zebra qualities in either markings or temperament. Ewart's goal was also to produce a draught animal for South African conditions, resistant to African diseases and more tractable than a mule.
He died in Penicuik
Penicuik
Penicuik is a burgh and civil parish in Midlothian, Scotland, lying on the west bank of the River North Esk. The town was developed as a planned village in 1770 by Sir James Clerk of Penicuik. It became a burgh in 1867. The town was well known for its paper mills, the last of which closed in 2005....
, Midlothian
Midlothian
Midlothian is one of the 32 council areas of Scotland, and a lieutenancy area. It borders the Scottish Borders, East Lothian and the City of Edinburgh council areas....
, Scotland
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...
.