A diagram of wing airplane illustrating the skeleton. The shape of the wing creates a lift—draft ratio to create drift.

Airplane Wing Diagram

A diagram of wing airplane illustrating the skeleton. The shape of the wing creates a lift—draft…

A plan for pusher aeroplane, or airplanes. The propeller of the pusher plane is located behind the cockpit to "push" the plane while flying. The plan illustrates the proper skeleton and wires to control the adjustable wings.

Pusher Aeroplane Plan

A plan for pusher aeroplane, or airplanes. The propeller of the pusher plane is located behind the cockpit…

A propeller airplane plan illustrating the proper location of the skeleton and placement of the wires controlling the adjustable wings.

Propeller Aeroplane Side Plan

A propeller airplane plan illustrating the proper location of the skeleton and placement of the wires…

A top view plan of a propeller aeroplane, or airplane. The plan shows the proper ribs and skeleton for the wings and back side of the plane.

Propeller Aeroplane Top Plan

A top view plan of a propeller aeroplane, or airplane. The plan shows the proper ribs and skeleton for…

A full fossil skeleton of the Megatherium, an elephant sized ground sloth. The animal was extinct during the Pleistocene, and found in Buenos Aires. The shape of the skull suggests that the animal is an ancestor of the sloth and anteater.

Full Megatherium Fossil Skeleton

A full fossil skeleton of the Megatherium, an elephant sized ground sloth. The animal was extinct during…

The lower jaw and teeth of the Megatherium, elephant sized sloth. The teeth are quandrangular, or triangular cylinder, shaped and grew during their life time.

Lower Jaw of Megatherium Fossil Skeleton

The lower jaw and teeth of the Megatherium, elephant sized sloth. The teeth are quandrangular, or triangular…

Illustration showing the upper molar teeth of the megatherium, a giant sloth. The teeth were 7 to 8 inches inside the gums.

Upper Molar Teeth of Megatherium Fossil Skeleton

Illustration showing the upper molar teeth of the megatherium, a giant sloth. The teeth were 7 to 8…

"The skeleton, more especially in the higher forms, is in the main similar to that of man, so that only a brief notice is necessary. In the skull considerable variation in regard to the proportionate length of the face to that of the brain—case (cranial portion) exists in the two sexes, owing to the general development of large tusks in the males." — Encyclopaedia Britannica Company, 1910

Chacma Baboon Skeleton

"The skeleton, more especially in the higher forms, is in the main similar to that of man, so that only…

A side view of the howler monkey skull. The monkey have four sharp canines, long teeth on skull, on top and bottom of the jaw.

Side View of Howler Monkey

A side view of the howler monkey skull. The monkey have four sharp canines, long teeth on skull, on…

An illustration of an adult male orangutan viewed from the side. The orbit part of the skull is more rounded than humans. The cranium, top part of the skull, and the mouth area are elongated compared to humans.

Adult Male Orangutan Skull Viewed from Side

An illustration of an adult male orangutan viewed from the side. The orbit part of the skull is more…

"In the other forms the number (vertebrae) varies between twenty and thirty three, the latter being spider monkeys. The proportion in the spider monkeys of the genus Ateles, almost three to one; in the other longest—tailed genera it is rarely so large as two to one." —Encyclopaedia Britannica, 1910

Side View of Skeleton of South American Spider Monkey

"In the other forms the number (vertebrae) varies between twenty and thirty three, the latter being…

"The greatest absolute length of the fore—limb occurs in the gorilla and the orangutan. The humerus never has a perforation on the inner side of its lower extremity. Except in the man—like apes, the ulna articulates with the wrist (carpus). The hand is capable of pronation and supination on the fore—arm; and except in man, the chimpanzee and the gorilla there is a centrale in the carpus." —Encyclopaedia Britannica, 1910

Front View of Gorilla Skeleton

"The greatest absolute length of the fore—limb occurs in the gorilla and the orangutan. The humerus…

"The skeleton lay on the left side with knees drawn up and hands raised to the head. About it were various articles of food and vessels of pottery."—Webster, 1913

A Prehistoric Egyptian Tomb

"The skeleton lay on the left side with knees drawn up and hands raised to the head. About it were various…

"The bones in the extremities of this the fleetest of quadrupeds are inclined very obliquely towards each other, and towards the scapular and iliac bones. This arrangement increases the leverage of the muscular system and confers great rapidity on the moving parts."—Pettigrew, 1874

Skeleton of the Deer

"The bones in the extremities of this the fleetest of quadrupeds are inclined very obliquely towards…

"Shows the powerful legs, small feet, and rudimentary wings of the bird; the obliquity at which the bones of the legs and wings are placed, and the comparatively small angles which two bones make at their point of junction."—Pettigrew, 1857

Skeleton of Ostrich

"Shows the powerful legs, small feet, and rudimentary wings of the bird; the obliquity at which the…

The skeleton of a man.

Human Skeleton

The skeleton of a man.

The skeleton of a perch.

Skeleton of Perch

The skeleton of a perch.

The skeleton of a dugong, one of four living species in the order Sirenia.

Skeleton of the Dugong

The skeleton of a dugong, one of four living species in the order Sirenia.

Illustrated is a skeleton of an opuntia stem. These skeleton stems are sometimes made into walking-sticks.

Skeleton of Opuntia Stem

Illustrated is a skeleton of an opuntia stem. These skeleton stems are sometimes made into walking-sticks.

<p>The Skeleton asked his friends, "Do you think this is a gathering, a shindig, or a hootenanny?"</p>

<p>The Ghost said, "I don't know, what's difference?"</p>

<p>The Zombie asked, "Arruugh?"</p>

<p>"Well," said said the Skeleton, "a gathering is cheese, and mellow song stylings. A shindig is some dip, less mellow song stylings, perhaps a large amount of punch. And, well, hootenanny is chock full of hoot just a little bit of nanny".</p>

<p>Since they had no cheese, music, or punch but had a fair bit of hoot <em>and</em> nanny (particularly so in the Zombie's case) they all agreed that it was indeed a Hootenanny they found themselves attending.</p>

<p>Illustrated by James Basom Seaman II</p>

Spooky Hootenanny

The Skeleton asked his friends, "Do you think this is a gathering, a shindig, or a hootenanny?" The…

A type of Ganoid fish. Ganoid is an order of fishes included seven living genera, whose members are all found in fresh water. The members of these genera are distinguished from their nearest allies, the teleosteans, or bony fish, by the presence of a spiral valve in the intestine, the fact that the tail is frequently heterocercal or unequally lobed, the skeleton often, at least in part, cartilaginous, and the skin furnished with bony scales or scutes (ganoid scales). This particular type (Acipenser) is a Sturgeon.

Acipenser Sturio

A type of Ganoid fish. Ganoid is an order of fishes included seven living genera, whose members are…

A type of Ganoid fish. Ganoid is an order of fishes included seven living genera, whose members are all found in fresh water. The members of these genera are distinguished from their nearest allies, the teleosteans, or bony fish, by the presence of a spiral valve in the intestine, the fact that the tail is frequently heterocercal or unequally lobed, the skeleton often, at least in part, cartilaginous, and the skin furnished with bony scales or scutes (ganoid scales). This particular species is a Bow-fin.

Amia Occidentalis

A type of Ganoid fish. Ganoid is an order of fishes included seven living genera, whose members are…

This illustration shows a skeleton leaf of Holly.

Skeleton Leaf (Holly)

This illustration shows a skeleton leaf of Holly.

This illustration shows a human leg (front view), and comparative diagrams showing modifications of the leg:
1. Human, 2. Ox, 3. Horse, 4. Bird, 5. Frog, 6. Crocodile, 7. Seal, 8. Dog, 9. Bear
P. Pelvis, FE. Femur, TI. Tibia, FI. Fibula, TA. Tarsus, MT. Metatarsus, PH. Phalanges, OC. Os Calcis.

Human Leg (Front View), and Comparative Diagrams showing Modifications of the Leg

This illustration shows a human leg (front view), and comparative diagrams showing modifications of…

Lanyon Quoit is a dolmen near Penzance. A dolmen, also known as a cromlech, portal tomb, portal grave or quoit, is a type of single-chamber megalithic tomb, usually consisting of two or more megaliths supporting a large flat horizontal capstone ("table"), although there are also more complex variants. Most date from the early Neolithic (4000-3000 BCE). Dolmens were typically covered with earth or smaller stones to form a tumulus. In many instances, that covering has weathered away, leaving only the stone "skeleton" of the burial mound intact.

Lanyon Quoit Dolmen

Lanyon Quoit is a dolmen near Penzance. A dolmen, also known as a cromlech, portal tomb, portal grave…

"A joint involving the principle of the shackle. Specifically, in anatomy, a kind of articulation found in the exoskeleton of some fishes, formed by the passing of a bony ring of one part through a perforation of another part, the two being thus movably linked together." &mdash;Whitney, 1889
<p>This illustration shows the shackle joint of a large spine with a bony plate of the skin of a siluroid fish.

Shackle Joint from the Exoskeleton of a Siluroid Fish

"A joint involving the principle of the shackle. Specifically, in anatomy, a kind of articulation found…

"A, acromion; C, coracoid; CA, carpus; CL, clavicle; H, humerus; M, metacarpals; O, ventral surface of the scapula; P, phalanges, proximal row; R, radius; T, head of humerus; U, ulna." —Whitney, 1889

Bones of the Shoulder and Upper Extremity - Front View

"A, acromion; C, coracoid; CA, carpus; CL, clavicle; H, humerus; M, metacarpals; O, ventral surface…

An illustration of a pichiciago, a small burrowing armadillo. The front half of the animal is covered in the endoskeleton. The back half of the animal is stripped of the outer skeleton so that the exoskeleton or dermoskeleton can be viewed. The scientific name of the pichiciago is <i>Chlamydophorus truncatus</i>.

Armadillo - Endoskeleton and Exoskeleton or Dermoskeleton

An illustration of a pichiciago, a small burrowing armadillo. The front half of the animal is covered…

"A genus compound radiolarians, typical of the family <i>Sphaerozoidae</i>, the protoplasm of which contains colored cellaeform bodies, and gives rise to a network of spicules forming a loose detached skeleton." &mdash;Whitney, 1889

Sphaerozoum Ovodimare

"A genus compound radiolarians, typical of the family Sphaerozoidae, the protoplasm of which contains…