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The development of the respiratory organs. A, is the esophagus of a chick on the fourth day of incubation, with the rudiments of the trachea on the lung of the left side, viewed laterally; 1, the inferior wall of the esophagus; 2, the upper portion of the same tube; 3, the rudimentary lung; 4, the stomach. B, is the same object seen from below, so that both lungs are visible. C, shows the tongue and respiratory organs of the embryo of a horse; 1, the tongue; 2, the larynx; 3, the trachea; 4, the lungs, viewed from the upper side.

Development of Respiratory Organs

The development of the respiratory organs. A, is the esophagus of a chick on the fourth day of incubation,…

"In a colony are the females, which are the largest in size." The females are very long-lived.

Horse Ant Female

"In a colony are the females, which are the largest in size." The females are very long-lived.

The workers supply all the food and are the builders of their wonderful colonies.

Horse Ant Worker

The workers supply all the food and are the builders of their wonderful colonies.

The male horse ant has wings, and after pairing is allowed to stray away and soon die.

Horse Ant Male

The male horse ant has wings, and after pairing is allowed to stray away and soon die.

The sea horse rarely grows larger than 4 inches.

The Seahorse (Hippocampus Brevirostris)

The sea horse rarely grows larger than 4 inches.

A scene from Lorna Doone, by Richard Doddridge Blackmore where John Ridd rides the mare, Winnie.

Lorna Doone

A scene from Lorna Doone, by Richard Doddridge Blackmore where John Ridd rides the mare, Winnie.

"The Trumpeter's Horse. From the painting by Horace Vernet, in the Hertford Collection, London." -Rees, 1894

The Trumpeter's Horse

"The Trumpeter's Horse. From the painting by Horace Vernet, in the Hertford Collection, London." -Rees,…

"The Death of Poniatowski. From the painting by Horace Vernet." -Rees, 1894

The Death of Poniatowski

"The Death of Poniatowski. From the painting by Horace Vernet." -Rees, 1894

The Brook, a painting by Thomas Gainsborough.

The Brook

The Brook, a painting by Thomas Gainsborough.

Salisbury Cathedral (From the Meadows), a painting by John Constable exhibited in 1831.

Salisbury Cathedral (From the Meadows)

Salisbury Cathedral (From the Meadows), a painting by John Constable exhibited in 1831.

"The Conversion of St. Eustace. By Albrecht Dürer. From the engraving on copper." -Heath, 1901

The Conversion of St. Eustace

"The Conversion of St. Eustace. By Albrecht Dürer. From the engraving on copper." -Heath, 1901

"The Great White Horse. By Albrect Dürer. From the engraving on copper." -Heath, 1901

The Great White Horse

"The Great White Horse. By Albrect Dürer. From the engraving on copper." -Heath, 1901

"The Knight, Death, and the Devil. By Albrecht Dürer. From the engraving on copper." -Heath, 1901

The Knight, Death, and the Devil

"The Knight, Death, and the Devil. By Albrecht Dürer. From the engraving on copper." -Heath, 1901

Three horses drinking water from a well.

Horses

Three horses drinking water from a well.

Sir Galahad from the painting by George Frederick Watts.

Sir Galahad

Sir Galahad from the painting by George Frederick Watts.

"During the months of July and August, the Estrus frequents pastures, and deposits its eggs on the shoulders, knees, etc., of horses."

Male Horse-Fly, Estrus (Gasterophilus) Equi

"During the months of July and August, the Estrus frequents pastures, and deposits its eggs on the shoulders,…

"During the months of July and August, the Estrus frequents pastures, and deposits its eggs on the shoulders, knees, etc., of horses."

Female Horse-Fly, Estrus (Gasterophilus) Equi

"During the months of July and August, the Estrus frequents pastures, and deposits its eggs on the shoulders,…

"The eggs are white and conical. They adhere to the horse's hair."

Eggs of Gadfly, Estrus (Gasterophilus) Equi

"The eggs are white and conical. They adhere to the horse's hair."

Larvae of Estrus (Gasterophilus) Equi. Representation of "the state of a horse's stomach attacked by the gadfly larvae."

Gadfly Larvae in a Portion of the Stomach of the Horse

Larvae of Estrus (Gasterophilus) Equi. Representation of "the state of a horse's stomach attacked by…

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders the countries of Central Africa uninhabitable for those animals."

The Tsetse-Fly (Glossina Morsitans)

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders…

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders the countries of Central Africa uninhabitable for those animals."

Head of Tsetse-Fly (Glossina Morsitans)

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders…

A bit is used in equestrian activities and placed in the mouth of a horse, so the rider can control the horse.

Bit

A bit is used in equestrian activities and placed in the mouth of a horse, so the rider can control…

The Knight, an engraving from William Caxton's Game and Playe of the Chesse.

The Knight

The Knight, an engraving from William Caxton's Game and Playe of the Chesse.

A tail-piece engraved by Thomas Bewick from 'The Quadrupeds' shows a small boy "pulling a colt's tail while the mother is rushing to his rescue." -Cundall, 1895

Bewick's Tail-Piece

A tail-piece engraved by Thomas Bewick from 'The Quadrupeds' shows a small boy "pulling a colt's tail…

The zebra is an ungulate from the Equidae family known for its black and white stripes.

Zebra

The zebra is an ungulate from the Equidae family known for its black and white stripes.

Plowing is the initial cultivation of soil in preparation for sowing seed or planting. Pictured is a man plowing a field with a horse and plow.

Plowing

Plowing is the initial cultivation of soil in preparation for sowing seed or planting. Pictured is a…

The short-snouted seahorse (Hippocampus hippocampus) is a species of fish of the Syngnathidae family.

Short-Snouted Seahorse

The short-snouted seahorse (Hippocampus hippocampus) is a species of fish of the Syngnathidae family.

An adult male riding away from soldiers on a horse.

Man Riding a Horse

An adult male riding away from soldiers on a horse.

A sled, sleigh, sledge is a vehicle used for transportation on surfaces with low friction, usually snow or ice.

Winter Sleigh

A sled, sleigh, sledge is a vehicle used for transportation on surfaces with low friction, usually snow…

A group of men resting against a fence watching the Greenville horse races.

Men Watching Horse Races

A group of men resting against a fence watching the Greenville horse races.

An illustration of an adult male sitting upon a mule.

Man on Horse

An illustration of an adult male sitting upon a mule.

An illustration of Horse Shoe and Birmingham Falls.

Waterfall

An illustration of Horse Shoe and Birmingham Falls.

This firemen's ambulance was used during 1861-1865.

Philadelphia's Firemen's Ambulance

This firemen's ambulance was used during 1861-1865.

A group of Roman soldiers heading into battle.

Roman Soldiers

A group of Roman soldiers heading into battle.

This image depicts Spanish gypsies walking in a field with a horse and a bear.

Gypsies

This image depicts Spanish gypsies walking in a field with a horse and a bear.

An illustration of a stagecoach going through a town.

Stagecoach

An illustration of a stagecoach going through a town.

An illustration of a young boy driving a horse drawn buggy with two other children riding.

Boy and Buggy

An illustration of a young boy driving a horse drawn buggy with two other children riding.

An illustration of a barn filled with animals, including: cows, a rooster, a horse, lambs, and birds.

Barn Full of Animals

An illustration of a barn filled with animals, including: cows, a rooster, a horse, lambs, and birds.

An illustration of a horse.

Horse

An illustration of a horse.

An illustration of a double buggy. Referred to as a double buggy because the buggy has two separate seats.

Double Buggy

An illustration of a double buggy. Referred to as a double buggy because the buggy has two separate…

The Battle of Agincourt was an English victory against a larger French army in the Hundred Years' War. The battle occurred on Friday 25 October 1415 (Saint Crispin's Day), in northern France. Henry V's victory started a new period in the war, in which he came very close to capturing the throne of France for himself and his heirs.

Battle of Azincourt

The Battle of Agincourt was an English victory against a larger French army in the Hundred Years' War.…

An illustration of a covered buggy pulled by a single horse.

Horse and Buggy

An illustration of a covered buggy pulled by a single horse.

An elephant chasing and attacking a horse-drawn carriage.

Elephant and Carriage

An elephant chasing and attacking a horse-drawn carriage.

The Irish form of the sprung cart, called a jaunting car or jaunty car, was a light, horse-drawn, two-wheeled open vehicle with seats placed lengthwise, either face to face or back to back. It was a popular mode of transportation in 19th Century Dublin popularized by Valentine Vousden in a song by that name. Also called an outside car or sidecar, it was peculiar in that its seats ran longitudinally and the passengers' feet were placed on a footboard outboard of the wheels.

Jaunting Car

The Irish form of the sprung cart, called a jaunting car or jaunty car, was a light, horse-drawn, two-wheeled…

An illustration of the Punch and Judy Show, where Punch is riding his steed.

Punch on His Steed

An illustration of the Punch and Judy Show, where Punch is riding his steed.

An illustration of a horse-drawn street car. The first passenger services in the world were started by the Oystermouth Railway in Wales, using specially designed carriages on an existing tram line built for horse-drawn freight dandies. Fare-paying passengers were carried on a line between Oystermouth, Mumbles and Swansea docks from 1807. Other forms of public transit developed out of the early omnibus that first ran on public streets in the 1820s. These were local versions of the stagecoach lines, and picked up and dropped off passengers on a regular route, without the need to be pre-hired. Horsecars on tram lines were an improvement over the omnibus as the low rolling resistance of metal wheels on iron or steel rails, (usually grooved from 1852 on), allowed the animals to haul a greater load for a given effort than the omnibus. The horse-drawn streetcar combined the low cost, flexibility, and safety of animal power with the efficiency, smoothness, and all-weather capability of a rail right-of-way.

Street Car

An illustration of a horse-drawn street car. The first passenger services in the world were started…

An illustration of a man riding a horse toward a windmill with a makeshift javelin, a play on Don Quixote.

Man and Horse

An illustration of a man riding a horse toward a windmill with a makeshift javelin, a play on Don Quixote.

An illustration of a man riding a horse.

Man on Horse

An illustration of a man riding a horse.

An illustration of a group of men and woman sleeping sitting on horses.

Group on Horseback

An illustration of a group of men and woman sleeping sitting on horses.

An illustration of a group of men and woman riding on horseback.

Group on Horseback

An illustration of a group of men and woman riding on horseback.

An illustration of a group of men riding on horses.

Men on Horseback

An illustration of a group of men riding on horses.

An illustration of a man sitting atop a horse.

Man on Horse

An illustration of a man sitting atop a horse.

An illustration of three men riding horses in the countryside.

Three Men Riding Horses

An illustration of three men riding horses in the countryside.

This pile driver is powered by a horse. The horse will pull a cord that raises the weight. When the weight reaches the top of the device, it is released. After being released it will fall a distance before striking an object below with great force causing it to pressed into the ground.

Pile Driver

This pile driver is powered by a horse. The horse will pull a cord that raises the weight. When the…

"Modes of travel in the West. An old stage-coach and prairie schooner." -Gordy, 1916

Stagecoach and Prairie Schooner

"Modes of travel in the West. An old stage-coach and prairie schooner." -Gordy, 1916

The inauguration of President William McKinley led by the Black Horse Cavalry down Pennsylvania Avenue.

Inauguration of William McKinley

The inauguration of President William McKinley led by the Black Horse Cavalry down Pennsylvania Avenue.

"Transportation in a large city, showing elevated road, surface line, and subway." -Gordy, 1916

City Transportation

"Transportation in a large city, showing elevated road, surface line, and subway." -Gordy, 1916

A portion of Thomas Jefferson's gig, a cart or chair pulled by a horse.

Part of Jefferson's Gig

A portion of Thomas Jefferson's gig, a cart or chair pulled by a horse.

An illustration of a woman sitting on a horse holding an umbrella.

Woman on Horse

An illustration of a woman sitting on a horse holding an umbrella.

An illustration of two men racing on horseback.

Horse Racing

An illustration of two men racing on horseback.