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Roman personification of death

Mors

Roman personification of death

Radiolarians exhibit a wide variey of shapes. They have a glassy skeleton.

Radiolaria

Radiolarians exhibit a wide variey of shapes. They have a glassy skeleton.

This is the skeleton of an angler fish (Lophius piscatorius).

Angler Fish

This is the skeleton of an angler fish (Lophius piscatorius).

Skeleton and outline of bat.

Horseshoe Bat

Skeleton and outline of bat.

The skeleton of a beaver.(c) cervical region of vertebral column; (d) dorsal region; (b) lumbar region; (s) sacrum; (t) caudal region.

Beaver Skeleton

The skeleton of a beaver.(c) cervical region of vertebral column; (d) dorsal region; (b) lumbar region;…

Skeleton of the common Perch. (p) one of the pectoral fins; (v) one of the ventral fins; (a) anal fin, (c) caudal fin; (d) first dorsal fin; (d) second dorsal fin; (i i ) interspinous bones.

Fish Skeleton

Skeleton of the common Perch. (p) one of the pectoral fins; (v) one of the ventral fins; (a) anal fin,…

Skeleton of a tortoise, seen from below, the plastron having been removed. (ca) carapace.

Tortoise Skeleton

Skeleton of a tortoise, seen from below, the plastron having been removed. (ca) carapace.

In the bat, the forelimbs are much longer than the hindlimbs and have several of the fingers greatly lengthened.

Bat Skeleton

In the bat, the forelimbs are much longer than the hindlimbs and have several of the fingers greatly…

Human skeleton standing upright.

Human Skeleton

Human skeleton standing upright.

A full skeleton of a common horse.

Horse Skeleton

A full skeleton of a common horse.

The full skeleton of a lion.

Lion Skeleton

The full skeleton of a lion.

The underside view of a tortoise skeleton.

Tortoise Skeleton

The underside view of a tortoise skeleton.

A skeleton of a vulture. 6 - keel of sternum, 7 - clavicle

Vulture Skeleton

A skeleton of a vulture. 6 - keel of sternum, 7 - clavicle

Skeleton of a male human.

Human Skeleton

Skeleton of a male human.

A Chimpanzee skeleton climbing a tree. Mammalia:Quadrumana

Chimpanzee Skeleton

A Chimpanzee skeleton climbing a tree. Mammalia:Quadrumana

Skeleton of a bat.

Bat Skeleton

Skeleton of a bat.

An illustration of a sparrow-hawk's skeleton.

Skeleton of a Sparrowhawk

An illustration of a sparrow-hawk's skeleton.

A skeleton of a common cow.

Cow Skeleton

A skeleton of a common cow.

Skeleton of an elephant.

Elephant Skeleton

Skeleton of an elephant.

Skeleton of a masodon.

Mastodon Skeleton

Skeleton of a masodon.

A skeleton of a whale.

Whale skeleton

A skeleton of a whale.

A giant kangaroo skeleton.

Kangaroo Skeleton

A giant kangaroo skeleton.

The partial skeleton of a moa, an enormous flightless bird once native to New Zeland, now extinct.

Moa skeleton

The partial skeleton of a moa, an enormous flightless bird once native to New Zeland, now extinct.

Skeleton of a turtle.

Skeleton of a turtle

Skeleton of a turtle.

The skeleton of a frog.

Frog skeleton

The skeleton of a frog.

"The bones of fishes are of a less dense and compact nature than in the higher order of animals; in some, indeed, they are wholly cartilaginous. The skeleton may in general be divided into four chief parts - the Vertical Column, the Head, the Repiratory Apparatus, and the Limbs" — Goodrich, 1859

Perch skeleton

"The bones of fishes are of a less dense and compact nature than in the higher order of animals; in…

"The body is long and eel-like, and the skeleton is reduced to a mere cartilaginous tube. It ours out such an abundance of glutinous matter from the pores of the lateral line, that the water in the vases is which is kept seems to be converted into jelly. "— Goodrich, 1859

Myxine

"The body is long and eel-like, and the skeleton is reduced to a mere cartilaginous tube. It ours out…

"It has no shell, and no skeleton, but has two conical pieces of horny substance imbedded in the back, one on each side. The body, which has a globular form, is a soft, jelly-like substance, covered with a thick, dark-colored, leathery skin." — Goodrich, 1859

Cuttlefish

"It has no shell, and no skeleton, but has two conical pieces of horny substance imbedded in the back,…

"Anatomy of the external skeleton of an insect" — Goodrich, 1859

External Anatomy of an Insect Skeleton

"Anatomy of the external skeleton of an insect" — Goodrich, 1859

"A Tooth is one of the hard bodies of the mouth, attached to the skeleton, but not forming part of it and developed from the dermis or true skin. True teeth consist of one, two, or more tissues differing in their chemical composition and in their microscopical appearances. Dentine, which forms the body of the tooth, and 'cement,' which forms its outer crust, are always present, the third tissue, the 'enamel,' when present, being situated between the dentine and cement. The incisors, or cutting teeth, are situated in front. In men there are two of these incisors in each side of each jaw. The permanent incisors, molars, and premolars are preceded by a set of deciduous or milk teeth, which are lost before maturity, and replaced by the permanent ones. The canines come next to the incisors. In man there is one canine tooth in each half-jaw. The premolars (known also as bicuspids and false molars) come next in order to the canines. In man there are two premolars in each half-jaw. The true molars (or multicuspids) are placed most posteriorly. In man there are three molars in each half-jaw, the posterior one being termed the wisdom tooth. The figures [in the illustration] refer to months after birth."—(Charles Leonard-Stuart, 1911)

First Teeth

"A Tooth is one of the hard bodies of the mouth, attached to the skeleton, but not forming part of it…

"A Tooth is one of the hard bodies of the mouth, attached to the skeleton, but not forming part of it and developed from the dermis or true skin. True teeth consist of one, two, or more tissues differing in their chemical composition and in their microscopical appearances. Dentine, which forms the body of the tooth, and 'cement,' which forms its outer crust, are always present, the third tissue, the 'enamel,' when present, being situated between the dentine and cement. The incisors, or cutting teeth, are situated in front. In men there are two of these incisors in each side of each jaw. The permanent incisors, molars, and premolars are preceded by a set of deciduous or milk teeth, which are lost before maturity, and replaced by the permanent ones. The canines come next to the incisors. In man there is one canine tooth in each half-jaw. The premolars (known also as bicuspids and false molars) come next in order to the canines. In man there are two premolars in each half-jaw. The true molars (or multicuspids) are placed most posteriorly. In man there are three molars in each half-jaw, the posterior one being termed the wisdom tooth. The figures [in the illustration] refer to years after birth."—(Charles Leonard-Stuart, 1911)

Second Teeth

"A Tooth is one of the hard bodies of the mouth, attached to the skeleton, but not forming part of it…

"Turtle is, in zoology, the popular name for any species of the Cheloniidæ. They may be distinguished by their long, compressed, fin-shaped, non-retractile feet, with the toes inclosed in a common skin, from which only one or two claws project. The carapace is broad and much depressed, so that when these animals are on shore, and are turned over on their backs, they cannot regain the natural position. Turtles are marine animals; their pinnate feet and light shell render them excellent swimmers. They sometimes live at a great distance from land, to which they periodically return to deposit their soft-shelled eggs in the sand."—(Charles Leonard-Stuart, 1911)

Skeleton of Turtle

"Turtle is, in zoology, the popular name for any species of the Cheloniidæ. They may be distinguished…

"There are in all two hundred and six seperate bones in the adult skelton. The teeth are not bones, but are a part of the skin." — Blaisedell, 1904

Human skeleton

"There are in all two hundred and six seperate bones in the adult skelton. The teeth are not bones,…

"The <em>shoulder-blade</em> is a large, flat, three-sided bone, which is placed on the upper and back part of the chest. On the outer side it has a saucerlike cavity on which the rounded head of the arm bone rests." &mdash; Blaisedell, 1904

Scapula

"The shoulder-blade is a large, flat, three-sided bone, which is placed on the upper and back…

"The <em>humerus</em>, a long, hollow bone, rests against a shallow socket on the shoulder blade. It is joined at the elbow to the bones of the forearm." &mdash; Blaisedell, 1904

Humerus

"The humerus, a long, hollow bone, rests against a shallow socket on the shoulder blade. It…

"The <em>ulna</em>, or elbow bone, is the larger of these two bones. It is joined to the humerus by a hinge joint at the elbow. It is on the same side as the little finger. The <em>radius</em>, queerly named because it is supposed to resemble one of the spokes of a wheel, is the long, slightly curved, outer bone fo the forearm. It is on the same side as the thumb. Its upper end is fastened both to the ulna and the humerus." — Blaisedell, 1904

Ulna and Radius

"The ulna, or elbow bone, is the larger of these two bones. It is joined to the humerus by…

"The <em>femur</em>, or thigh bone, the largest and heaviest bone in the body, reaches from the hip to the knee. It has a rounded head, which fits into the cuplike cavity in the hip bone which has already been mentioned." &mdash; Blaisedell, 1904

Femur

"The femur, or thigh bone, the largest and heaviest bone in the body, reaches from the hip…

"The foot is built in the form of a half-dome or half-arch. This is to afford a broad, strong support surface for the support of the weight of the body. The bones of the toes and the heel form the piers, while the little bones wedged in between the metatarsal bones and the heel make up the keystone of the arch. This arch gives a certain amount of spring and elasticity to the feet, and hence it is of the upmost importance in preventing jars and jolts." — Blaisedell, 1904

Bones of the Foot

"The foot is built in the form of a half-dome or half-arch. This is to afford a broad, strong support…

"Mammoth is a species of extinct elephant, the fossil remains of which are found in European, Asiatic and North American formations. Geologically speaking, the mammoth or Elephas primigenius, dates from the post-pliocene period, its remains having been frequently found associated with human remains, and its figure carved on bone. It had large curved tusks; was covered with fur and shaggy hair; and was twice as large as the modern elephant. Bones and tusks have been found in great abundance in Siberia, and America. In the St. Petersburg Imperial Museum is the perfect preserved carcass of a mammoth found in the frozen ice in Siberia in 1903."&mdash;(Charles Leonard-Stuart, 1911)

Skeleton of the Mammoth

"Mammoth is a species of extinct elephant, the fossil remains of which are found in European, Asiatic…

"Megatherium is a genus of extinct edentates, founded on a nearly complete skeleton discovered on the banks of the Lujan, about 9 miles from Buenos Ayres, and sent by the Marquis of Loretto, the viceroy, to the Royal Museum of Madrid. The best-known species was nearly as large as an elephant, though the limbs were shorter. Its mounted skeleton measures 18 feet in length, of which the tail occupies five. Dr. Leidy has described a smaller species from the post-Tertiary of Georgia and South Carolina; and there is a third, founded on remains from Brazil."&mdash;(Charles Leonard-Stuart, 1911)

Megatherium

"Megatherium is a genus of extinct edentates, founded on a nearly complete skeleton discovered on the…

A firm, hard, whitish substance, composing the skeleton.

Bone

A firm, hard, whitish substance, composing the skeleton.

A bird resting on the ground, near some bones.

Bird

A bird resting on the ground, near some bones.

The fossilized skeleton of an elephant.

Fossil elephant

The fossilized skeleton of an elephant.

The fossilized skeleton of a Megatherium.

Fossil Megatherium

The fossilized skeleton of a Megatherium.

The fossilized skeleton of an elk.

Fossilized elk

The fossilized skeleton of an elk.

"So peculiar and strange is the structure of these animals, that the first specimen discovered was classed by one naturalist as a bird, by another as a species of bat, and by yet a third as a flying reptile." &mdash; Goodrich, 1844

Pterodactyle skeleton

"So peculiar and strange is the structure of these animals, that the first specimen discovered was classed…

"The human body, like a great building, has a framework which gives the body its shape and provides support for it. This framework is composed of 206 bones. All the bones taken together are called the <em>skeleton</em>." &mdash; Ritchie, 1918

Human skeleton

"The human body, like a great building, has a framework which gives the body its shape and provides…

"Skeleton of the horse." &mdash; Davison, 1906

Skeleton of a Horse

"Skeleton of the horse." — Davison, 1906

"Skeleton of Mesohippus bairdi, the three-toed ancestor of our horse. This animal was about the size of a sheep." &mdash; Davison, 1906

Skeleton of a mesohippus bairdi

"Skeleton of Mesohippus bairdi, the three-toed ancestor of our horse. This animal was about the size…

"Soft unsegmented bodies, bilaterally symmetrical, enveloped by a leathery mantle, which usually develops a hard shell-covering, or external skeleton; a symmetrical nervous system, consisting of several connected nerve bunches, or ganglia. Such is the snail." &mdash; Hinman, 1888

Snail

"Soft unsegmented bodies, bilaterally symmetrical, enveloped by a leathery mantle, which usually develops…

A human skeleton.

Skeleton

A human skeleton.

Human skeleton of a finger.

Finger

Human skeleton of a finger.

A picture of the backbone.

Backbone

A picture of the backbone.

A picture of the backbone.

Backbone

A picture of the backbone.

Picture of the skull, showing the hole which the backbone connects to the base of the skull.

Skull

Picture of the skull, showing the hole which the backbone connects to the base of the skull.

Skeleton of the cow. 1: Frontal bone of the head. 2: Upper jaw, superior maxillary. 3: Lower jaw, inferior maxillary. 4: Cervical vertebrae. 5: Dorsal vertebrae. 6: Lumbar vertebrae. 7: Sacral vertebrae. 8: Caudal vertebrae. 9: Scapula. 10: Humerus 11: Radius and ulna. 12: Carpus. 13: Metacarpus. 14: Phalanges (toes). 15: Femur. 16: Tibia. 17: Tarsus. 18: Metatarsus. 19: Phalanges.

Cow Skeleton

Skeleton of the cow. 1: Frontal bone of the head. 2: Upper jaw, superior maxillary. 3: Lower jaw, inferior…

Skeleton of a bird. 1: The head. 2: Cervical Vertebrae. 3: Dorsal and lumbar vertebrae. 4: Scapula. 5: Clavicle. 6: Coracoid bone. 7: Sternum. 8: Humerus. 9: Radius. 10: Ulna. 11: Carpus. 12: Metacarpus. 13: Phalanges (fingers). 14: Femur. 15: Tibia. 16: Fibula. 17: Tarsus. 18: Metatarsus. 19: Phalanges (toes).

Bird Skeleton

Skeleton of a bird. 1: The head. 2: Cervical Vertebrae. 3: Dorsal and lumbar vertebrae. 4: Scapula.…

The skeleton of a haddock.

Haddock

The skeleton of a haddock.

"The Pedlar. By Holbein. From the Dance of Death." &mdash;D'Anvers, 1895

The Pedlar

"The Pedlar. By Holbein. From the Dance of Death." —D'Anvers, 1895

The teeth of a carnivorous animal that lives on flesh alone. The front teeth are tearing ones, while the back teeth have sharp edges for cutting. The flesh is first torn by the front teeth, and then it is cut up by the back ones.

Carnivorous Skeleton

The teeth of a carnivorous animal that lives on flesh alone. The front teeth are tearing ones, while…