Nightingale, a small creeping bird seen running up and down the trunks of trees, getting its name from its habit of hatching open nuts it has previously wedged in the bark of trees, (Beach, 1909).

White-breasted Nuthatch

Nightingale, a small creeping bird seen running up and down the trunks of trees, getting its name from…

Partridge, a game bird belonging to the grouse family.

Partridge

Partridge, a game bird belonging to the grouse family.

The name mushroom is generally applied to those soft white umbrella-shaped growths considered good to eat. It is always dangerous to eat mushrooms gathered in the woods by anyone other than an experienced collector.

Agaric mushroom

The name mushroom is generally applied to those soft white umbrella-shaped growths considered good to…

The name mushroom is generally applied to those soft white umbrella-shaped growths considered good to eat. It is always dangerous to eat mushrooms gathered in the woods by anyone other than an experienced collector.

mushroom

The name mushroom is generally applied to those soft white umbrella-shaped growths considered good to…

A scaled, harmless lizard of the Scincidae family. Some have brilliant blue stripes running along the length of the tail.

Skink

A scaled, harmless lizard of the Scincidae family. Some have brilliant blue stripes running along the…

The swan has been an object of admiration for its graceful neck, oval head, prominent beak, soft, and white plumage.

Swan

The swan has been an object of admiration for its graceful neck, oval head, prominent beak, soft, and…

The swan has been an object of admiration for its graceful neck, oval head, prominent beak, soft, and white plumage.

Black Swan

The swan has been an object of admiration for its graceful neck, oval head, prominent beak, soft, and…

Pelicans often travel in considerable flocks, visiting the mouths of rivers or sea coasts.

Pelican

Pelicans often travel in considerable flocks, visiting the mouths of rivers or sea coasts.

Wading birds with long, slender bills found in warmer climates of both hemispheres. The Sacred ibis of the ancient Egyptians is white in color with long glossy, black plumes on the wings.

Sacred Ibis

Wading birds with long, slender bills found in warmer climates of both hemispheres. The Sacred ibis…

Storks live in moist and swampy places by the side of pools and rivers.

Stork

Storks live in moist and swampy places by the side of pools and rivers.

The plumage of this bird is of a beautiful grayish blue; its head is ornamented with a pretty plume of straight, long, and tapering feathers, (Figuier, 1869).

Great-crowned Pigeon

The plumage of this bird is of a beautiful grayish blue; its head is ornamented with a pretty plume…

The European Jay is brownish red tinged with grey. It has a patch of ultramarine blue banded with black on its wings, (Figuier, 1869).

European Jay

The European Jay is brownish red tinged with grey. It has a patch of ultramarine blue banded with black…

The nutcracker has a straight bill for penetrating under the bark of trees in search of insects, (Figuier, 1869).

Nut-cracker Crow

The nutcracker has a straight bill for penetrating under the bark of trees in search of insects, (Figuier,…

Rollers actually perform somersaults while flying.

Roller

Rollers actually perform somersaults while flying.

Rollers actually perform somersaults while flying.

Roller

Rollers actually perform somersaults while flying.

Starlings are remarkable for their vivacity, and grave, sombre plumage, lit up with brilliant metallic reflections of green and blue.

Starling

Starlings are remarkable for their vivacity, and grave, sombre plumage, lit up with brilliant metallic…

Vair is one of the furs in heraldry composed of several silver and blue pieces representing little shields.

Vair

Vair is one of the furs in heraldry composed of several silver and blue pieces representing little shields.

White House in Washington, D.C., early 1900s view

White House, Early 1900s

White House in Washington, D.C., early 1900s view

The fallow deer may easily be known from the stag by its smaller size and flat horns, and the white spots that cover the body, (Wood, 1896).

Deer

The fallow deer may easily be known from the stag by its smaller size and flat horns, and the white…

The fly has one pair of wings and sucking mouth parts.

Fly

The fly has one pair of wings and sucking mouth parts.

Stourton bore Sable a bend gold between six fountains. The fountain is a rounded charged with waves of white and blue

Stourton

Stourton bore Sable a bend gold between six fountains. The fountain is a rounded charged with waves…

See of Salisbury bearing the Virgin and Child in a blue field

Salisbury

See of Salisbury bearing the Virgin and Child in a blue field

King holding a white dove

King

King holding a white dove

If you fix your eyes on the two white spaces between the lines it will appear as if the top space becomes wider at the ends, and as if the bottom space becomes wider in the middle. But both lines are perfectly straight.

Visual Illusion: Sloping Lines

If you fix your eyes on the two white spaces between the lines it will appear as if the top space becomes…

This is the staminate flower of White Ash, Fraxinus americana, (Keeler, 1915).

White Ash Flower

This is the staminate flower of White Ash, Fraxinus americana, (Keeler, 1915).

This is the pistillate flower of White Ash, Fraxinus americana, (Keeler, 1915).

White Ash Flower

This is the pistillate flower of White Ash, Fraxinus americana, (Keeler, 1915).

This is the fruit, or samara, of White Ash, Fraxinus americana, (Keeler, 1915).

White Ash Fruit

This is the fruit, or samara, of White Ash, Fraxinus americana, (Keeler, 1915).

This is the flower of Blue Ash, Fraxinus quadrangulata, (Keeler, 1915).

Blue Ash Flower

This is the flower of Blue Ash, Fraxinus quadrangulata, (Keeler, 1915).

This is the fruit, or samara, of Blue Ash, Fraxinus quadrangulata, (Keeler, 1915).

Blue Ash Fruit

This is the fruit, or samara, of Blue Ash, Fraxinus quadrangulata, (Keeler, 1915).

This is the flowering spray of White Elm, Ulmus americana, (Keeler, 1915).

White Elm Flowers

This is the flowering spray of White Elm, Ulmus americana, (Keeler, 1915).

These are the unfolding leaves of White Elm, Ulmus americana, (Keeler, 1915).

White Elm Leaves

These are the unfolding leaves of White Elm, Ulmus americana, (Keeler, 1915).

These are the fruit, or samara, of White Elm, Ulmus americana, (Keeler, 1915).

White Elm Fruit

These are the fruit, or samara, of White Elm, Ulmus americana, (Keeler, 1915).

This shows the pendulous strobiles, or fruit, of the White Birch, Betula populifolia, (Keeler, 1915).

White Birch Fruit

This shows the pendulous strobiles, or fruit, of the White Birch, Betula populifolia, (Keeler, 1915).

This shows the acorn of Swamp White Oak, Quercus platanoides, (Keeler, 1915).

Swamp Oak Acorn

This shows the acorn of Swamp White Oak, Quercus platanoides, (Keeler, 1915).

This shows the cluster of five leaves of the White Pine, Pinus strobus, (Keeler, 1915).

White Pine Needles

This shows the cluster of five leaves of the White Pine, Pinus strobus, (Keeler, 1915).

There was a young lady of Bute; Who was playing on a silver-gilt lute; She played several jigs; To her uncle's white pigs; That amusing young lady of Bute.

Edward Lear

There was a young lady of Bute; Who was playing on a silver-gilt lute; She played several jigs; To her…

Flag of the Secretary of Navy, 1923. For Asst. Secretary, white flag with blue stars and anchor.

Secretary of Navy, 1923

Flag of the Secretary of Navy, 1923. For Asst. Secretary, white flag with blue stars and anchor.

Flag of the Secretary of Treasury, 1923. For Asst. Secretary, white flag with blue stars and anchor.

Secretary of Treasury, 1923

Flag of the Secretary of Treasury, 1923. For Asst. Secretary, white flag with blue stars and anchor.

Flag of the Secretary of Commerce, 1923. For Asst. Secretary, white flag with blue stars and anchor.

Secretary of Commerce, 1923

Flag of the Secretary of Commerce, 1923. For Asst. Secretary, white flag with blue stars and anchor.

Flag of an Admiral, 1923. The blue field is displayed only by the senior of the rank present. A junior in the presence of a senior of the same rank, displays a similar flag with a red field.

Admiral, 1923

Flag of an Admiral, 1923. The blue field is displayed only by the senior of the rank present. A junior…

Flag of a Vice Admiral, 1923. The blue field is displayed only by the senior of the rank present. A junior in the presence of a senior of the same rank, displays a similar flag with a red field.

Vice Admiral, 1923

Flag of a Vice Admiral, 1923. The blue field is displayed only by the senior of the rank present. A…

Flag of a Rear Admiral, 1923. The blue field is displayed only by the senior of the rank present. A junior in the presence of a senior of the same rank, displays a similar flag with a red field.

Rear Admiral, 1923

Flag of a Rear Admiral, 1923. The blue field is displayed only by the senior of the rank present. A…

International code flag for the letter A.

Code flag A

International code flag for the letter A.

International code flag for the letter B.

Code flag B

International code flag for the letter B.

International code flag for the letter C.

Code flag C

International code flag for the letter C.

International code flag for the letter D.

Code flag D

International code flag for the letter D.

International code flag for the letter E.

Code flag E

International code flag for the letter E.

International code flag for the letter F.

Code flag F

International code flag for the letter F.

International code flag for the letter G.

Code flag G

International code flag for the letter G.

International code flag for the letter H.

Code flag H

International code flag for the letter H.

International code flag for the letter I.

Code flag I

International code flag for the letter I.

International code flag for the letter J.

Code flag J

International code flag for the letter J.

International code flag for the letter K.

Code flag K

International code flag for the letter K.

International code flag for the letter L.

Code flag L

International code flag for the letter L.

International code flag for the letter M.

Code flag M

International code flag for the letter M.

International code flag for the letter N.

Code flag N

International code flag for the letter N.

International code flag for the letter O.

Code flag O

International code flag for the letter O.

International code flag for the letter P.

Code flag P

International code flag for the letter P.

International code flag for the letter R.

Code flag R

International code flag for the letter R.

International code flag for the letter S.

Code flag S

International code flag for the letter S.