Don Quixote and the lion.

Don Quixote

Don Quixote and the lion.

Vorticella is a protozoan. Except for when young, it is usually found attached to dead leaves or sticks throughout its life. This shows free-swimming individuals conjugating with a large, stalked individual.

Vorticella

Vorticella is a protozoan. Except for when young, it is usually found attached to dead leaves or sticks…

Gregarina is a parasitic protozoan. They live in the alimentary canal of crayfish, and certain insects.

Gregarina

Gregarina is a parasitic protozoan. They live in the alimentary canal of crayfish, and certain insects.

A free-swimming jellyfish of the Class Scyphozoa.

Jellyfish

A free-swimming jellyfish of the Class Scyphozoa.

Rear view of hand holding a pen.

Hand holding a pen

Rear view of hand holding a pen.

Front view of hand holding a pen.

Hand holding a pen

Front view of hand holding a pen.

View of the Paris Bourse.

Paris Bourse

View of the Paris Bourse.

Jersey cow, side view.

Jersey Cow

Jersey cow, side view.

West front view of the Cologne Cathedral in Germany.

Cologne Cathedral

West front view of the Cologne Cathedral in Germany.

Front view of a stone house.

House

Front view of a stone house.

Side view of a stone house.

House

Side view of a stone house.

George Grenville, English government official.

George Grenville

George Grenville, English government official.

King of Sweden.

Gustavus Adolphus

King of Sweden.

Coin of Roman emperor Hadrian.

Hadrian, Coin of

Coin of Roman emperor Hadrian.

King Henry II, from his effigy in Fontevrault Abbey, Normandy.

Henry II of England.

King Henry II, from his effigy in Fontevrault Abbey, Normandy.

Shield with a rearing lion.

Heraldry, Rampant

Shield with a rearing lion.

King's full-faced helmet, with six bars.

Heraldry, King

King's full-faced helmet, with six bars.

Worn by British Royalty.

Crown, British

Worn by British Royalty.

Silver coin from the Roman empire.

Denarius of Tiberius Caeser

Silver coin from the Roman empire.

Image taken from the tomb of the English king.

Edward III

Image taken from the tomb of the English king.

Internal-combustion engine, side view.

Gas Engine, Internal-Combustion Engine

Internal-combustion engine, side view.

Internal-combustion engine (sectional view)

Gas Engine, Internal-Combustion Engine

Internal-combustion engine (sectional view)

Italian navigator and cartographer. Sebastian Cabot (c. 1474 – c. December 1557) was an Italian explorer, likely born in the Venetian Republic. He was the son of Italian explorer John Cabot (Giovanni Caboto) and his Venetian wife Mattea. After his father's death, Cabot conducted his own voyages of discovery, seeking the Northwest Passage through North America for England. He later sailed for Spain, traveling to South America, where he explored the Rio de la Plata and established two new forts.

Sebastian Cabot

Italian navigator and cartographer. Sebastian Cabot (c. 1474 – c. December 1557) was an Italian explorer,…

Emperor of Germany and King of Spain.

Charles V

Emperor of Germany and King of Spain.

Prince, made bid for English throne. Also known as the Pretender.

Charles Edward Stuart

Prince, made bid for English throne. Also known as the Pretender.

Shows setup of a chessboard.

Chess

Shows setup of a chessboard.

View of the amphitheatre at Pompeii.

Amphitheatre

View of the amphitheatre at Pompeii.

The side view of the jaw of a three year old colt.

Horse jaw

The side view of the jaw of a three year old colt.

The side view of the jaw of a four year old colt.

Horse jaw

The side view of the jaw of a four year old colt.

View of a healthy foot. Key: A) frog, D) sole, E) bars

Horse's foot

View of a healthy foot. Key: A) frog, D) sole, E) bars

Most mites live as external parasites sucking the blood of their host..

Mite

Most mites live as external parasites sucking the blood of their host..

In vultures, the head and neck are bare, the beak is long and curved at the tip, legs are powerful, but claws are weak.

Vulture

In vultures, the head and neck are bare, the beak is long and curved at the tip, legs are powerful,…

Water Beetles, beetles which live on or in the water.

Beetle

Water Beetles, beetles which live on or in the water.

Water Beetle larva, beetles which live on or in the water.

Larva

Water Beetle larva, beetles which live on or in the water.

External features of a grasshopper , dorsal view.

Grasshopper

External features of a grasshopper , dorsal view.

Air tubes and air sacs of grasshopper, lateral view

Grasshopper

Air tubes and air sacs of grasshopper, lateral view

Air tubes and air sacs of grasshopper, ventral view

Grasshopper

Air tubes and air sacs of grasshopper, ventral view

Internal anatomy of a grasshopper

Grasshopper

Internal anatomy of a grasshopper

Ant Lion adult.

Antlion

Ant Lion adult.

Side view of internal structures of earthworm.

Earthworm

Side view of internal structures of earthworm.

Dorsal view of internal structures of earthworm after cutting through the dorsal wall lengthwise and turning it outward.

Earthworm

Dorsal view of internal structures of earthworm after cutting through the dorsal wall lengthwise and…

Internal structures of the body of a clam, side view.

Clam

Internal structures of the body of a clam, side view.

Limpets are found along the shore. they are gastropods with low conical shells. this is a surface view.

Limpet

Limpets are found along the shore. they are gastropods with low conical shells. this is a surface view.

Limpets are found along the shore. they are gastropods with low conical shells. This is a side view.

Limpet

Limpets are found along the shore. they are gastropods with low conical shells. This is a side view.

A side view of a frog's internal structure.

Frog

A side view of a frog's internal structure.

A ventral view of a frog's internal structure.

Frog

A ventral view of a frog's internal structure.

A ventral view of a frog's internal nervous system.

Frog

A ventral view of a frog's internal nervous system.

Moles are well fitted for digging by the very large front feet and strong muscles of the front legs. Th eyes have become rudimentary because they live in darkness.

Mole

Moles are well fitted for digging by the very large front feet and strong muscles of the front legs.…

The tentacles of the sea anemone are numerous and are borne on a disk surrounding the mouth at the free end.

Anemone

The tentacles of the sea anemone are numerous and are borne on a disk surrounding the mouth at the free…

Rotifers are free-swimming pseudo-coelomates. They occur in freshwater and are easily examined because they are transparent.

Rotifer

Rotifers are free-swimming pseudo-coelomates. They occur in freshwater and are easily examined because…

Standing king.

King

Standing king.

The squirrel is a medium sized rodent and can be found in most parts of the world.

Squirrel

The squirrel is a medium sized rodent and can be found in most parts of the world.

Frogs are found all over the world, except Antarctica.

Frog

Frogs are found all over the world, except Antarctica.

Lizards are good climbers and fast runners, and usually live in trees. Some can change their skin color to mimic their surroundings.

Lizard

Lizards are good climbers and fast runners, and usually live in trees. Some can change their skin color…

Butterflies are found throughout most of the world.

Butterfly

Butterflies are found throughout most of the world.

Earthworms are segmented worms that live in the earth.

Earthworm

Earthworms are segmented worms that live in the earth.

Tapeworms live in the intestines of mammals.

Tapeworm

Tapeworms live in the intestines of mammals.

Tape-worms live parasitically within other animals, and are often spoken of as Entozoa. This is an egg, containing the young tape-worm.

Tape-worm

Tape-worms live parasitically within other animals, and are often spoken of as Entozoa. This is an egg,…

Tape-worms live parasitically within other animals, and are often spoken of as Entozoa. This is a bladder-worm, magnified.

Tape-worm

Tape-worms live parasitically within other animals, and are often spoken of as Entozoa. This is a bladder-worm,…

Tape-worms live parasitically within other animals, and are often spoken of as Entozoa. This is a head of an adult tape-worm showing the hooklets and suckers.

Tape-worm

Tape-worms live parasitically within other animals, and are often spoken of as Entozoa. This is a head…