An illustration of a man in prison resting his head on arm.

Man in Prison Resting Head

An illustration of a man in prison resting his head on arm.

A cartoon of a man sticking his head inside of a horn, which is being held by a small person.

Man Sticking His Head Inside of Horn

A cartoon of a man sticking his head inside of a horn, which is being held by a small person.

A full body picture of a long-jawed mastodon during the time period of Miocene.

Long-jawed Mastodon

A full body picture of a long-jawed mastodon during the time period of Miocene.

Superior maxillary bone and the bony sinuses of the head.

Superior Maxillary Bone and Sinuses

Superior maxillary bone and the bony sinuses of the head.

Mexican Terra-Cotta Head sketched in the American Museum of Natural History in New York.

Mexican Terra-Cotta Head

Mexican Terra-Cotta Head sketched in the American Museum of Natural History in New York.

Boy listening to microphone.

Microphone

Boy listening to microphone.

"A representation of a very early double stater of Miletus, in Ionia, of which the type is the lion's head, derived from Persia and Assyria, and associated with the worship of Cybele, a symbol which is continued in the later coinage of Miletus." — Chambers, 1881

Miletus Coin

"A representation of a very early double stater of Miletus, in Ionia, of which the type is the lion's…

"Drawn from a portrait of Elizabeth of York when young, in stained glass at Little Malvern." — Encyclopedia Britannica, 1893

Elizabeth of York's Mitre Head-Dress

"Drawn from a portrait of Elizabeth of York when young, in stained glass at Little Malvern." — Encyclopedia…

"Head of Molossus glaucinus." —The Encyclopedia Britannica, 1903

Molossus Glaucinus

"Head of Molossus glaucinus." —The Encyclopedia Britannica, 1903

"Head of Molossus Glaucinus." —The Encyclopedia Britannica, 1903

Molossus Glaucinus

"Head of Molossus Glaucinus." —The Encyclopedia Britannica, 1903

"Head of Mormops Blainrillii." —The Encyclopedia Britannica, 1903

Mormops Blainrillii

"Head of Mormops Blainrillii." —The Encyclopedia Britannica, 1903

"The most remarkable species is the Death's Head Moth, <em>Acherontia</em> Atropos</em>, a large kind, variegated with dark brown and yellow, bearing upon the back of the thorax a deep orange mark, presenting no inconsiderable resemblence to the front of a human skull." &mdash; Goodrich, 1859

Death's Head Moth

"The most remarkable species is the Death's Head Moth, Acherontia Atropos, a large kind,…

Temporal and deep muscles of the mouth.

Muscles of the Mouth

Temporal and deep muscles of the mouth.

Right infero-lateral view of the muscles of the maxillary space, the ramus and hyoid cornu are cut away. Labels: a, lingualis; b, hyo-glossus longus; c, ho-glossus brevis; d, genio-hyo-glossus; e, genio-hyoideus; f, stylo-hyoideus; g, hyoideus magnus; h, levator palati; i, tensor palati; k, pharyngostaphylinus; l, pterygo-pharyngeus; m, kerato-pharyngeus; n, hyo-pharyngeus; o, thyro-pharyngeus; p, crico-pharyngeus; q, esophagus.

Muscles of the Maxillary Space of a Horse

Right infero-lateral view of the muscles of the maxillary space, the ramus and hyoid cornu are cut away.…

Nasal cavity, right lateral wall, from the left.

Nasal Cavity

Nasal cavity, right lateral wall, from the left.

"Head of Natalus Unicropus." &mdash;The Encyclopedia Britannica, 1903

Natalus Unicropus

"Head of Natalus Unicropus." —The Encyclopedia Britannica, 1903

The side view of a human neck.

Neck

The side view of a human neck.

Muscles of the head, face, and neck.

Neck Muscles

Muscles of the head, face, and neck.

"Principal Muscles on the Left Side of the Neck." &mdash; Blaisedell, 1904

Muscles of the neck

"Principal Muscles on the Left Side of the Neck." — Blaisedell, 1904

"The following cut from an antique in the British Museum, represents the head of Neptune. The hair rises from the forehead, and then falls down in flakes, as if wet." &mdash; Anthon, 1891

Head of Neptune

"The following cut from an antique in the British Museum, represents the head of Neptune. The hair rises…

"Showing some of the superficial nerves on the left side of the neck and the head. A few superficial muscles and arteries in the same region are also shown." — Blaisedell, 1904

Superficial Nerves of the Head

"Showing some of the superficial nerves on the left side of the neck and the head. A few superficial…

"Dental Branch of One of the Divisions of the Fifth Pair of Cranial Nerves, supplying the Lower Teeth. Branches from the motor root, distributed to various muscles, are also shown." — Blaisedell, 1904

Cranial Nerves

"Dental Branch of One of the Divisions of the Fifth Pair of Cranial Nerves, supplying the Lower Teeth.…

View of the nervous system in man, showing the nervous centers (the brain and the spinal near row) where the other nerves begin which provide the whole body.

Nervous System

View of the nervous system in man, showing the nervous centers (the brain and the spinal near row) where…

"Head of Nyctinomus Mascrotis." &mdash;The Encyclopedia Britannica, 1903

Nyctinomus Mascrotis

"Head of Nyctinomus Mascrotis." —The Encyclopedia Britannica, 1903

An ornate capital O surrounded by leaves and vines, used at the start of a new chapter or heading.

Decorative Floral O

An ornate capital O surrounded by leaves and vines, used at the start of a new chapter or heading.

A smut of oats with a normal head.

Smut of Oats

A smut of oats with a normal head.

The inner surface of the occipital bone.

Occipital Bone

The inner surface of the occipital bone.

Occipital bone of the human skull, inner surface. It is situated at the back and base of the skull. Labels: 9,9, and 10,10, depression for reception of lobes of brain; 11, foramen magnum.

Occipital Bone of the Human Skull

Occipital bone of the human skull, inner surface. It is situated at the back and base of the skull.…

Development of occipital bone. From seven centers.

Development of Occipital Bone

Development of occipital bone. From seven centers.

The inner surface of the right occipital bone.

Inner Surface of the Occipital Bone

The inner surface of the right occipital bone.

Ornate divider with winged head and vines

Ornate divider

Ornate divider with winged head and vines

Head of an eagle owl. It has large eyes for seeing at night, and a hooked beak for snaring its prey.

Head of an Eagle Owl

Head of an eagle owl. It has large eyes for seeing at night, and a hooked beak for snaring its prey.

"They carry everything on their heads." —Carpenter, 1902

Natives of Paraguay

"They carry everything on their heads." —Carpenter, 1902

Parietal bone of the human skull, inner surface. The parietal bones form the greater part of the sides and roof of the skull. Labels: A, parietal depression; E, furrow for ramification of arteries.

Parietal Bone of the Human Skull

Parietal bone of the human skull, inner surface. The parietal bones form the greater part of the sides…

The inner surface of the right parietal bone.

Inner Surface of the Parietal Bone

The inner surface of the right parietal bone.

The outer side of the right parietal bone.

Outer Surface of the Parietal Bone

The outer side of the right parietal bone.

"Argent, a pelican's head, erased, vulning. VULNING. Any creature in the act of wounding itself." -Hall, 1862

Pelican Vulning

"Argent, a pelican's head, erased, vulning. VULNING. Any creature in the act of wounding itself." -Hall,…

"This may be considered as one of the greatest wonders of nature, it being a real animal, having blood, and feeding upon other marine animals, yet having the form of a plant, and living like a plant, fixed to a rock in the deep sea." &mdash; Goodrich, 1859

Medusa's head pentacrinus

"This may be considered as one of the greatest wonders of nature, it being a real animal, having blood,…

"The barbed head of a spear or arrow, engrailed on the inner side. The point of the spear is placed in base."&mdash;Aveling, 1891

Pheon

"The barbed head of a spear or arrow, engrailed on the inner side. The point of the spear is placed…

"Head of Phyllorhina Calcarata." &mdash;The Encyclopedia Britannica, 1903

Phyllorhina Calcarata

"Head of Phyllorhina Calcarata." —The Encyclopedia Britannica, 1903

"Head of Phyllostoma Elongatum." &mdash;The Encyclopedia Britannica, 1903

Phyllostoma Elongatum

"Head of Phyllostoma Elongatum." —The Encyclopedia Britannica, 1903

Indian pipe in the shape of a human head, used for smoking tobacco.

Indian Pipe Shaped as Human Head

Indian pipe in the shape of a human head, used for smoking tobacco.

A profile view of a man's head.

Side Portrait

A profile view of a man's head.

This is a profile of a male face.

Profile

This is a profile of a male face.

This is a side profile of a male face.

Side Profile

This is a side profile of a male face.

This is a side profile of a male face that is tilted forwards.

Side Profile

This is a side profile of a male face that is tilted forwards.

"Head of Pteropus personatus." &mdash;The Encyclopedia Britannica, 1903

Pteropus Personatus

"Head of Pteropus personatus." —The Encyclopedia Britannica, 1903

"Larger aspect of head of Raia lemprieri." &mdash; Encyclopedia Britannica, 1893

Raia Lemprieri

"Larger aspect of head of Raia lemprieri." — Encyclopedia Britannica, 1893

At birth the head measures about 4 times into height. At 5 years the head measures about 6 times into height. In the adult about 7 1/2 times into height.

Relation of Head to Height by Age

At birth the head measures about 4 times into height. At 5 years the head measures about 6 times into…

"Head of Rhinolophus Mitratus." &mdash;The Encyclopedia Britannica, 1903

Rhinolophus Mitratus

"Head of Rhinolophus Mitratus." —The Encyclopedia Britannica, 1903

"Use the entire blossom mingled with buds and green leaves, all short stemmed, not longer than three or four inches. Bind the stems with string on a circle made of a piece of willow or some other pliable material, and be sure to removed the thorns from all them stems before weaving the wreath." -Beard, 1906

Wreath of roses

"Use the entire blossom mingled with buds and green leaves, all short stemmed, not longer than three…

The salivary glands and their ducts.

Salivary Glands

The salivary glands and their ducts.

Sagittal section of the scalp.

Sagittal Section of the Scalp

Sagittal section of the scalp.

"Head of Scotophilus Emarginatus." &mdash;The Encyclopedia Britannica, 1903

Scotophilus Emarginatus

"Head of Scotophilus Emarginatus." —The Encyclopedia Britannica, 1903

"The prey of a serpent is oven thicker than the serpent itself, and to admit of its being swallowed, the throat and body are very dilatable. The bones of the head are adapted to the necessity of a great expansion of the mouth and dilation of the throat." &mdash; Chambers, 1881

Serpent Head

"The prey of a serpent is oven thicker than the serpent itself, and to admit of its being swallowed,…

"Having a body like other sharks, but with a double snout like a double-headed hammer, and having an eye in the middle of each extremity; it is very voracious, and from twelve to twenty feet long." &mdash; Goodrich, 1859

Hammerhead Shark

"Having a body like other sharks, but with a double snout like a double-headed hammer, and having an…

The human skull.

Skull

The human skull.

A side-view of the skull.

Skull

A side-view of the skull.

A front-view of the skull.

Skull

A front-view of the skull.

The human skull. Labels: 1, frontal lobe; 2, parietal lobe; 3, temporal lobe; 4, the sphenoid bone; 5, ethmoid bone; 6, superior maxillary (upper jaw) bone; 7, malar bone; 8, lachrymal bone; 9, nasal bone; 10, inferior maxillary (lower jaw) bone.

The Skull

The human skull. Labels: 1, frontal lobe; 2, parietal lobe; 3, temporal lobe; 4, the sphenoid bone;…