"The Keep Right sign may be used at locations where it is necessary for traffic to pass only to the right of a roadway feature or obstruction.""If used, the Keep Right sign should be installed as close as practical to approach ends of raised medians, parkways, islands, underpass piers, and at other locations where it is not readily apparent that traffic is required to keep to the right. The sign should be mounted on the face of or just in front of a pier or other obstruction separating opposite directions of traffic in the center of the highway such that traffic will have to pass to the right of the sign."-Federal Highway Administration, 2007

Keep Right, Black and White

"The Keep Right sign may be used at locations where it is necessary for traffic to pass only to the…

"The Keep Left sign may be used at locations where it is necessary for traffic to pass only to the left of a roadway feature or obstruction."-Federal Highway Administration, 2007

Keep Left, Black and White

"The Keep Left sign may be used at locations where it is necessary for traffic to pass only to the left…

"The DO NOT ENTER sign shall be used where traffic is prohibited from entering a restricted roadway."-Federal Highway Administration, 2007

Do Not Enter, Black and White

"The DO NOT ENTER sign shall be used where traffic is prohibited from entering a restricted roadway."…

"The WRONG WAY sign may be used as a supplement to the DO NOT ENTER sign where an exit ramp intersects a crossroad or a crossroad intersects a one-way roadway in a manner that does not physically discourage or prevent wrong-way entry." -Federal Highway Administration, 2007

Wrong Way, Black and White

"The WRONG WAY sign may be used as a supplement to the DO NOT ENTER sign where an exit ramp intersects…

"Selective Exclusion signs give notice to road users that State or local statutes or ordinances exclude designated types of traffic from using particular roadways or facilities."-Federal Highway Administration, 2007

No Trucks, Black and White

"Selective Exclusion signs give notice to road users that State or local statutes or ordinances exclude…

"Selective Exclusion signs give notice to road users that State or local statutes or ordinances exclude designated types of traffic from using particular roadways or facilities."-Federal Highway Administration, 2007

No Bicycles, Black and White

"Selective Exclusion signs give notice to road users that State or local statutes or ordinances exclude…

This sign indicates that the parking space is reserved for persons with disabilities.

Reserved Parking, Black and White

This sign indicates that the parking space is reserved for persons with disabilities.

"To make the parking regulations more effective and to improve public relations by giving a definite warning, a sign reading TOW-AWAY ZONE may be appended to, or incorporated in, any parking prohibition sign. The Tow-Away Zone symbol sign may be used instead of the word message sign. The sign may have either a black or red legend and border on a white background." -Federal Highway Administration, 2007

Tow-Away Zone, Black and White

"To make the parking regulations more effective and to improve public relations by giving a definite…

"To make the parking regulations more effective and to improve public relations by giving a definite warning, a sign reading TOW-AWAY ZONE may be appended to, or incorporated in, any parking prohibition sign. The Tow-Away Zone symbol sign may be used instead of the word message sign. The sign may have either a black or red legend and border on a white background." -Federal Highway Administration, 2007

Tow-Away Zone, Outline

"To make the parking regulations more effective and to improve public relations by giving a definite…

"To make the parking regulations more effective and to improve public relations by giving a definite warning, a sign reading TOW-AWAY ZONE may be appended to, or incorporated in, any parking prohibition sign. The Tow-Away Zone symbol sign may be used instead of the word message sign. The sign may have either a black or red legend and border on a white background." -Federal Highway Administration, 2007

Tow-Away Zone, Silhouette

"To make the parking regulations more effective and to improve public relations by giving a definite…

The "NO PARKING sign may be used to prohibit any parking along a given highway."-Federal Highway Administration, 2007

No Parking, Black and White

The "NO PARKING sign may be used to prohibit any parking along a given highway." -Federal Highway Administration,…

"The No Pedestrian Crossing sign may be used to prohibit pedestrians from crossing a roadway at an undesirable location or in front of a school or other public building where a crossing is not designated."-Federal Highway Administration, 2007

No Pedestrian Crossing, Black and White

"The No Pedestrian Crossing sign may be used to prohibit pedestrians from crossing a roadway at an undesirable…

"The No Hitchhiking sign may be used to prohibit standing in or adjacent to the roadway for the purpose of soliciting a ride."-Federal Highway Administration, 2007

No Hitchhiking, Black and White

"The No Hitchhiking sign may be used to prohibit standing in or adjacent to the roadway for the purpose…

"When a National Network route is signed, the National Network sign shall be used."-Federal Highway Administration, 2007

National Network, Black and White

"When a National Network route is signed, the National Network sign shall be used." -Federal Highway…

"The National Network Prohibition sign may be used to identify routes, portions of routes, and ramps where trucks are prohibited. The sign may also be used to mark the ends of designated routes."-Federal Highway Administration, 2007

National Network Prohibition, Black and White

"The National Network Prohibition sign may be used to identify routes, portions of routes, and ramps…

"The National Network Prohibition sign may be used to identify routes, portions of routes, and ramps where trucks are prohibited. The sign may also be used to mark the ends of designated routes."-Federal Highway Administration, 2007

National Network Prohibition, Black and White

"The National Network Prohibition sign may be used to identify routes, portions of routes, and ramps…

The incandescent light bulb, is a source of electric light that works by incandescence which is a general term for heat driven light emissions, which includes the simple cases of black body radiation.

Process of Producing Incandescing Bodies for Electric Lamps

The incandescent light bulb, is a source of electric light that works by incandescence which is a general…

Edward the Black Prince wearing full armor during the fourteenth century. He was the eldest son of King Edward III, and campaigned in Norway and Spain.

Edward the Black Prince

Edward the Black Prince wearing full armor during the fourteenth century. He was the eldest son of King…

A branch from a black mulberry with fruits and leaves. The plant have both male and female flowers are used for reproduction by pollination.

Black Mulberry Branch with Fruits and Leaves

A branch from a black mulberry with fruits and leaves. The plant have both male and female flowers are…

"The existing members of the family are referable to at least two genera, the one Africa and the other Asiatic. The first genus, Anthropopithecus, is typified by the West African chimpanzee, A. troglodytes, and is characterized by the absence of excessive elevation in the skull, by the fore limb not reaching more than halfway down the shin, the presence of thirteen pairs of ribs, the well developed great toe, the absence of a centrale in the carpus, and the black or grey hair." —Encyclopaedia Britannica, 1910

Young Chimpanzee in Tree

"The existing members of the family are referable to at least two genera, the one Africa and the other…

An illustration of a young girl wearing a bonnet and a dress writing the word "finish" on a black board.

Young Girl

An illustration of a young girl wearing a bonnet and a dress writing the word "finish" on a black board.

A well dressed mail man carrying mail in a large black bag. A group of young boys is coming to greet him.

Mail Man and Young Boys

A well dressed mail man carrying mail in a large black bag. A group of young boys is coming to greet…

Common elder of central and eastern North America bearing purple-black berries; fruit used in wines and jellies

Sambucus Canadensis

Common elder of central and eastern North America bearing purple-black berries; fruit used in wines…

This plant features rich and showy yellow flowers.

Wall Pepper

This plant features rich and showy yellow flowers.

A garden variety featuring, edible orange and black berries.

Garden Huckleberry

A garden variety featuring, edible orange and black berries.

Herbs containing round black seeds.

Solidago Caesia

Herbs containing round black seeds.

This is tree is native to North America, known for its dark wood and edible nuts.

Black Walnut

This is tree is native to North America, known for its dark wood and edible nuts.

A black walnut, bearing edible nut; these trees are native to California.

Juglans Californica

A black walnut, bearing edible nut; these trees are native to California.

"The mature beetle in life rivals asparagi in beauty, but may be distinguished by its much broader elytra and its color. The ground color is orange red; each elytron is marked with six black dots, and the knees and a portion of the under surface of the thorax are also marked with black. The beetle, as it occurs on the plant when in fruit, very closely resembles at a little distance the ripening asparagus berry."—Government Printing Office, 1897

Crioceris 12-Punctata

"The mature beetle in life rivals asparagi in beauty, but may be distinguished by its much broader elytra…

The silver-laced wyandotte is the base for all other colors of wyandotte, of which there are 17. It has white feathers with black edges on each feather, with a black tail and yellow legs.

Silver-Laced Wyandotte Cockerel

The silver-laced wyandotte is the base for all other colors of wyandotte, of which there are 17. It…

Originated in the United States. It is one of the oldest American chickens, and is critically endangered today. They are excellent for both meat and egg production.

Pair of Black Javas

Originated in the United States. It is one of the oldest American chickens, and is critically endangered…

This image depicts a female spotted Java chicken.

Mottled Java Hen

This image depicts a female spotted Java chicken.

A pair of brahmas, whose base color is white with black hackles edged in white, with a black tail.

Pair of Light Brahmas

A pair of brahmas, whose base color is white with black hackles edged in white, with a black tail.

The Minorcas are similar to the Leghorns, with their main value being egg-producing. The produce less eggs than the Leghorns, but their eggs are generally larger, and equal the output in bulk.

Black Minorca Cockerel

The Minorcas are similar to the Leghorns, with their main value being egg-producing. The produce less…

"The [potato beetle larva] is pale yellow, or, rather, dusky-yellow, or freckled with minute black dots on the back; and there are two rows of larger black dots along each side; the legs are black."—Nicholson, 1884

Larva of Potato Beetle

"The [potato beetle larva] is pale yellow, or, rather, dusky-yellow, or freckled with minute black dots…

Also known as Pieris brassicae. It is commonly found throughout Europe, Asia, and north Africa. The wings are white with black tips, with the females having two black spots on each forewing.

Large White Cabbage Butterfly

Also known as Pieris brassicae. It is commonly found throughout Europe, Asia, and north Africa. The…

Also known as Rubus fruticosus caesius. The fruit is reminiscent of a raspberry, but is usually purple or black instead of red. They are commonly found in the Northern hemisphere, and the leaves can be used for tea.

European Dewberry

Also known as Rubus fruticosus caesius. The fruit is reminiscent of a raspberry, but is usually purple…

"One to three feet high; flowers erect, orange yellow, spotted black, well open and very beautiful. Each bulb throws up from three to four flowering stems. Native of Japan and blooms in August."—Heinrich, 1887

Wallacei

"One to three feet high; flowers erect, orange yellow, spotted black, well open and very beautiful.…

"A chimney sweep hath some offense here given, / The foolish man is to fierce anger driven; / The urchin black, strikes at his face and eyes, / A dirty fight ensures, fierce passion rise: / Lashes are given - oftener the blows, / At every touch the man still blacker grows: / If you would keep your face and clothes quite neat, / Avoid all quarrels with a chimney sweep."—Barber, 1857

If You Quarrel with a Sweep, You'll Get Blackened

"A chimney sweep hath some offense here given, / The foolish man is to fierce anger driven; / The urchin…

"The cleric wars a robe and ornamented mantle; the noble, a suit of black silk and a cap adorned with plumes; the representative of the Third Estate, a simple black suit without gold buttons or plumed cap."—Webster, 1920

Costumes of the Orders

"The cleric wars a robe and ornamented mantle; the noble, a suit of black silk and a cap adorned with…

"A black granite statue of the youthful Ramses II. It is probably a faithful portrait. No better work was ever produced by the Egyptian sculpture."—Webster, 1913

Ramses II Seated

"A black granite statue of the youthful Ramses II. It is probably a faithful portrait. No better work…

"A tablet of dark brown clay, much injured, dating from the 8th or 7th century B.C. The two large concentric circles indicate the ocean, or, as it is called in the cuneiform writing between the circles, the 'Briny Flood.' Beyond the ocean are seven successive projections of land, represented by triangles. Perhaps they refer to the countries existing beyond the Black Sea and the Red Sea. The two parallel lines within the inner circle represent the Euphrates. The little rings stand for the Babylonian cities in this region."—Webster, 1913

A Babylonian Map of the World

"A tablet of dark brown clay, much injured, dating from the 8th or 7th century B.C. The two large concentric…

A heraldic shield with a black surface, which is shown by the crossing horizontal and vertical lines.

Sable Shield

A heraldic shield with a black surface, which is shown by the crossing horizontal and vertical lines.

A heraldic shield with a field argent with the powdering sable.

Ermine Shield

A heraldic shield with a field argent with the powdering sable.

The heraldic shield of the Black Prince, who was father of Richard II of England.

Black Prince

The heraldic shield of the Black Prince, who was father of Richard II of England.

An African equid best known for their distinctive black and white stripes.

Zebra

An African equid best known for their distinctive black and white stripes.

A plant used both as a salad and for manufacturing into table mustard.

Black Seeded Mustard

A plant used both as a salad and for manufacturing into table mustard.

Also known as Picea mariana. A species of spruce native to North America.

Black Spruce Pine Cone

Also known as Picea mariana. A species of spruce native to North America.

Also known as Juglans nigra. A species of flowering tree in the hickory tree, native to eastern North America.

Branch of Eastern Black Walnut Tree

Also known as Juglans nigra. A species of flowering tree in the hickory tree, native to eastern North…

Also known as Juglans californica. A species of walnut shrub endemic to California.

Branch of California Black Walnut

Also known as Juglans californica. A species of walnut shrub endemic to California.

Also known as Populus trichocarpa. The branch of a Black Cottonwood tree, native to western North America.

Branch of Black Cottonwood

Also known as Populus trichocarpa. The branch of a Black Cottonwood tree, native to western North America.

Also known as Salix nigra. The branch of a Black Willow tree, native to eastern North America.

Branch of Black Willow

Also known as Salix nigra. The branch of a Black Willow tree, native to eastern North America.

Also known as Quercus velutina. The branch of an Eastern Black Oak tree, native to eastern North America.

Branch of Eastern Black Oak

Also known as Quercus velutina. The branch of an Eastern Black Oak tree, native to eastern North America.

Also known as Quercus kelloggii. The branch of a California Black Oak, native to western North America.

Branch of California Black Oak

Also known as Quercus kelloggii. The branch of a California Black Oak, native to western North America.

The acataea spicata has white, bluish flowers with black berries. The berries are poisonous. The common name for acataea spicata is baneberry.

Actaea Spicata Habit and Flower

The acataea spicata has white, bluish flowers with black berries. The berries are poisonous. The common…

The ada aurantiaca is an orchid that is an orange-scarlet color. Each flower is streaked with black on the inside. There are six to ten blossoms on each long, hanging stem.

Ada Aurantiaca Orchid

The ada aurantiaca is an orchid that is an orange-scarlet color. Each flower is streaked with black…

The anemone fulgens flower is a dazzling scarlet color with a black central patch of stamens. This flower grows in Greece and southern Europe.

Anemone Fulgens Flower

The anemone fulgens flower is a dazzling scarlet color with a black central patch of stamens. This flower…

The common name of asplenium is spleenwort. Asplenium adiantum-nigrum is known as black spleenwort. There are several varieties of black spleenwort.

Rootstock and Fertile Fronds of Asplenium Adiantum-Nigrum

The common name of asplenium is spleenwort. Asplenium adiantum-nigrum is known as black spleenwort.…

This variety of black spleenwort is the large crested variety. The fronds are six to twelve inches long. The fern has a broad crest giving the fronds a graceful contour.

Asplenium Adiantum-Nigrum Grandiceps

This variety of black spleenwort is the large crested variety. The fronds are six to twelve inches long.…

Faba vulgaris is commonly known as broad bean.  It is also known as the fava bean. The flowers are white with a black spot and have five petals

Broad Bean Plant in Flower

Faba vulgaris is commonly known as broad bean. It is also known as the fava bean. The flowers are white…