"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.…

"Dental Branches of One of the Divisions of the Fifth Pair of Cranial Nerves, supply the Upper Teeth." — Blaisedell, 1904

Cranial nerves

"Dental Branches of One of the Divisions of the Fifth Pair of Cranial Nerves, supply the Upper Teeth."…

"Diagram illustrating the General Arrangement of the Nervous System. (posterior view.)" — Blaisedell, 1904

Nervous system

"Diagram illustrating the General Arrangement of the Nervous System. (posterior view.)" — Blaisedell,…

"Showing a motor cell with its long, unbranched process (with two little lateral offshoots), with motor endings in striated, voluntary muscular tissue." — Blaisedell, 1904

Neuron

"Showing a motor cell with its long, unbranched process (with two little lateral offshoots), with motor…

"A nerve cell from the brain." — Ritchie, 1918

Neuron

"A nerve cell from the brain." — Ritchie, 1918

A colt's nippers at five years of age (side view)

Nippers at five years

A colt's nippers at five years of age (side view)

Side view of a colt's nippers at seven years of age.

Nippers at seven years

Side view of a colt's nippers at seven years of age.

Side view of a colt's nippers at six years of age.

Nippers at six years

Side view of a colt's nippers at six years of age.

Side view of the nippers of an old horse.

Nippers of an Old Horse

Side view of the nippers of an old horse.

A colt's lower nippers at eight years.

Lower nippers at eight years

A colt's lower nippers at eight years.

Lower nippers of a colt at five years of age.

Lower nippers at five years

Lower nippers of a colt at five years of age.

The lower nippers of a colt at four years.

Lower nippers at four years

The lower nippers of a colt at four years.

Lower nippers of a colt at six years of age.

Lower nippers at six years

Lower nippers of a colt at six years of age.

The lower nippers of a colt at three years of age.

Lower nippers at three years

The lower nippers of a colt at three years of age.

The lower nippers of a colt two years old.

Lower nippers at two years

The lower nippers of a colt two years old.

Lower nippers of an old horse.

Lower Nippers of an Old Horse

Lower nippers of an old horse.

An illustration of a human nose.

Human Nose

An illustration of a human nose.

The chief organs of the body from the side. Labels: a, arch of the aorta or main artery of the trunk; c, large intestine; d, diaphragm; e, throat; g, lung; k, kidney; l, spinal cord within the back bone; m, main artery divided to go to h legs; n, pancreas; o, gullet; s, spleen; tr, wind pipe; t, main vein of body; ap, appendix.

View of Organs from the Side

The chief organs of the body from the side. Labels: a, arch of the aorta or main artery of the trunk;…

Oshyiodes of an adult fowl.

Oshyiodes of Adult Fowl

Oshyiodes of an adult fowl.

"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…

"Surface of Palm of the Hand, showing Openings of Sweat Glands and Grooves between Papillae of the Skin. In the smaller figure the same epidermal surface is shown as seen with the naked eye." — Blaisedell, 1904

Surface of the palm

"Surface of Palm of the Hand, showing Openings of Sweat Glands and Grooves between Papillae of the Skin.…

"The pancreas, partly cut away, so as to show the duct, which collects the pancreatic juice, and empties it into the duodenum." — Tracy, 1888

Pancreas

"The pancreas, partly cut away, so as to show the duct, which collects the pancreatic juice, and empties…

External features of a perch.

Perch

External features of a perch.

digestive, excretory, and reproductive systems of a perch.

Perch

digestive, excretory, and reproductive systems of a perch.

Circulatory system of a perch.

Perch

Circulatory system of a perch.

The skeleton of a perch.

Skeleton of Perch

The skeleton of a perch.

Internal anatomy of a pigeon.

Pigeon

Internal anatomy of a pigeon.

"The Pigeon flying downwards and turning prior to alighting. The pigeon expands its tail both in ascending and descending."—Pettigrew, 1874

The Pigeon

"The Pigeon flying downwards and turning prior to alighting. The pigeon expands its tail both in ascending…

"The outer ear consists of a plate of gristle, shaped somewhat like a shell, known as the pinna, or auricle, and of a tube about an inch long, called the auditory canal." — Blaisedell, 1904

Pinna

"The outer ear consists of a plate of gristle, shaped somewhat like a shell, known as the pinna, or…

"Showing its distribution by its branches and ganglia to the larynx, pharynx, heart, lungs, and other parts." — Blaisedell, 1904

Trunk of the pneumogastric nerve

"Showing its distribution by its branches and ganglia to the larynx, pharynx, heart, lungs, and other…

the internal anatomy of a rabbit.

Rabbit

the internal anatomy of a rabbit.

Cross section of abdomen of a rabbit.

Rabbit

Cross section of abdomen of a rabbit.

"When a bone is broken, blood trickles out between the injured parts, and afterwards gives place to a sticky, watery fluid, which gradually becomes thicker, like a syrup or jelly. This is slowly replaced by a new bone structure and forms a kind of cement to gold together the broken ends." — Blaisedell, 1904

Broken Radius

"When a bone is broken, blood trickles out between the injured parts, and afterwards gives place to…

Left thigh-muscle of a rail.

Rail Thigh

Left thigh-muscle of a rail.

Dissection of head of rattlesnake; showing fangs (f) and poison sac (p).

Rattlesnake

Dissection of head of rattlesnake; showing fangs (f) and poison sac (p).

"Showing the attachment of the recti, or straight muscles to the eyeball, also the distribution of arteries upon the outer coat of the eye." — Blaisedell, 1904

Attachment of the recti

"Showing the attachment of the recti, or straight muscles to the eyeball, also the distribution of arteries…

"Illustrating the path of a simple nervous reflex action." — Blaisedell, 1904

Reflex action

"Illustrating the path of a simple nervous reflex action." — Blaisedell, 1904

An illustrative view of the dissection of he renal organs of a chiton. "F, foot; L, Edge of the mantle not removed in the front part of the specimen; s.o., Oesophagus; af, anus; gg, Genital duct; go, External opening of the same; eg, Stem of the nephridium leading to no, its external aperture; nk, reflected portion of the nephridial stem; ng, Fine caeca of the nephridium, which are seen ramifying transversely over the whole inner surface of the pedal muscular mass." -Britannica, 1910

Dissection of the Renal Organs of a Chiton

An illustrative view of the dissection of he renal organs of a chiton. "F, foot; L, Edge of the mantle…

"Larynx, trachea, and bronchi, showing the manner of division, and the rings of cartilage." — Tracy, 1888

Respiratory system

"Larynx, trachea, and bronchi, showing the manner of division, and the rings of cartilage." —…

"There are three pairs of salivary glands. One pair lies under the tongue; one pair is found under the corners of the lower jaw; and the other pair is found in front of and below the ears." — Ritchie, 1918

Salivary glands

"There are three pairs of salivary glands. One pair lies under the tongue; one pair is found under the…

The salmon is well known both from its commercial importance and from its remarkable migrations up rivers to spawn.

Salmon

The salmon is well known both from its commercial importance and from its remarkable migrations up rivers…

Scales of fishes; cycloid scale (Pike).

Fish Scales

Scales of fishes; cycloid scale (Pike).

Scales of fishes; Ctenoid scale (Perch)

Fish Scales

Scales of fishes; Ctenoid scale (Perch)

Scales of fishes; Placoid scale (Thornback)

Fish Scales

Scales of fishes; Placoid scale (Thornback)

Scales of fishes; Ganoid Scale (Palaeoniscus)

Fish Scales

Scales of fishes; Ganoid Scale (Palaeoniscus)

A scalpel.

Scalpel

A scalpel.

"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…

An illustration of the dorsal view of the scapula of a rabbit. "A, acromion; m, metacromion; g, glenoid fossa; c, coracoid process; v, vertebral border; s, spine." -Century, 1889

Dorsal View of the Scapula of a Rabbit

An illustration of the dorsal view of the scapula of a rabbit. "A, acromion; m, metacromion; g, glenoid…

"Foot of the seal, which opens and closes in the act of natation, the organ being folded upon itself during the non-effective or return stroke, and expanded during the effective or forward stroke. Due advantage is taken of this arrangement by the seal when swimming, the animal rotating on its long axis, so as to present the lower portion of the body and the feet obliquely to the water during the return stroke, and the flat, or the greatest available surface of both, during the effective or forward stroke."&mdash;Pettigrew, 1874

Foot of Seal

"Foot of the seal, which opens and closes in the act of natation, the organ being folded upon itself…

"Showing how the Improvised Three-Handed Seat may be used to carry an Injured Person. The picture also shows how a boy's broken leg may be treated with an improvised apparatus made of pieces of oak bark for splints, padded with graass and held in place by two pocket handkerchiefs." &mdash; Blaisedell, 1904

Hand seat

"Showing how the Improvised Three-Handed Seat may be used to carry an Injured Person. The picture also…

"<em>A</em>, simple tubular gland; <em>B</em>, gland with mouth shut and sac formed; <em>C</em> gland with a coiled tube; <em>D</em>, plan of part of a racemose gland." &mdash; Blaisedell, 1904

Secreting glands

"A, simple tubular gland; B, gland with mouth shut and sac formed; C gland…

Inside of right valve of clam shell.

Clam Shell

Inside of right valve of clam shell.

Clam in natural position with foot and siphons extended.

Clam Shell

Clam in natural position with foot and siphons extended.

Mechanism for opening and shutting a clam shell, note the internal and external hinge ligament..

Clam Shell

Mechanism for opening and shutting a clam shell, note the internal and external hinge ligament..

Structure of a clam shell.

Clam Shell

Structure of a clam shell.

Parts of a snail shell.

Snail Shell

Parts of a snail shell.

A kind of snail shell; the left-hand shell.

Snail Shell

A kind of snail shell; the left-hand shell.

A kind of snail shell; the flat spiral or discoid shell.

Snail Shell

A kind of snail shell; the flat spiral or discoid shell.

A kind of snail shell; the right -hand shell.

Snail Shell

A kind of snail shell; the right -hand shell.

"The Scapula, or shoulder blade, is one of the two bones, the other being the clavicle, which form the pectoral arch or shoulder girdle." &mdash;Finley, 1917

Shoulder blade

"The Scapula, or shoulder blade, is one of the two bones, the other being the clavicle, which form the…