A squirrel with candle and robe going to bed.

Good Night Squirrel

A squirrel with candle and robe going to bed.

An illustration of a bundle of 1,000 sticks bundled in hundreds that can be used when teaching counting, grouping, and place value.

1000 Sticks

An illustration of a bundle of 1,000 sticks bundled in hundreds that can be used when teaching counting,…

The backward and forward movement of the jaws and the great size and strength of the lower jaw, adapt rodents and gnawers to their mode of life, as in the squirrel. Labels: 1, The enamel of the gnawing tooth. 2, The ivory. 3, The lateral furrows of the molar teeth.

The Lower Jaw of a Squirrel

The backward and forward movement of the jaws and the great size and strength of the lower jaw, adapt…

The totem or emblem of the Sioux, a Native American tribe has a squirrel on top of a nut.

Sioux Totem

The totem or emblem of the Sioux, a Native American tribe has a squirrel on top of a nut.

The Smoky Flying Squirrel (Pteromyscus pulverulentus) is a species of rodent in the Squirrel (Sciuridae) family.

Smoky Flying Squirrel

The Smoky Flying Squirrel (Pteromyscus pulverulentus) is a species of rodent in the Squirrel (Sciuridae)…

The Eastern Gray Squirrel (Sciurus carolinensis) is a tree squirrel native to eastern United States.

Eastern Gray Squirrel

The Eastern Gray Squirrel (Sciurus carolinensis) is a tree squirrel native to eastern United States.

The ground squirrels are the members of the Sciuridae most closely related to the genus Marmota. They make up the tribe Marmotini in the large and mainly terrestrial squirrel subfamily Xerinae, and containing six living genera. The ground squirrel is especially renowned for its tendency to rise up on its hind legs. It does this whenever it senses nearby danger, or when it must see over tall grasses. The squirrel then curls its paws flat against its chest and sends a screeching call to warn other family members about the presence of predators

Ground Squirrel

The ground squirrels are the members of the Sciuridae most closely related to the genus Marmota. They…

A young girl feeding pigeons from her bedroom window.

Young Girl at the Window

A young girl feeding pigeons from her bedroom window.

The American Flying Squirrel (Sciuropterus volucella) is a small rodent in the Sciuridae family of squirrels.

American Flying Squirrel

The American Flying Squirrel (Sciuropterus volucella) is a small rodent in the Sciuridae family of squirrels.

The Fox Squirrel (Sciurus niger) is a rodent in the Sciuridae family of squirrels. The black fox squirrel is found in the east or southern region of North America.

Black Fox Squirrel

The Fox Squirrel (Sciurus niger) is a rodent in the Sciuridae family of squirrels. The black fox squirrel…

An illustration of the letter A decorated with a branch and squirrel.

Decorative Letter A

An illustration of the letter A decorated with a branch and squirrel.

An illustration of a squirrel wearing a robe and holding a candle standing near a four poster bed.

Squirrel Wearing Robe and Holding Candle Near Bed

An illustration of a squirrel wearing a robe and holding a candle standing near a four poster bed.

This is a plan of the church of San Ambrogio, Italy. This is an example of Italian Lombard Romanesque architecture. This church represents the "earliest [example] of the solution of the great problem which was exercising the minds of the church builders towards the end of the 11th century, the vaulting of the nave." The scale is in feet.

Plan of San Ambrogio, 1000–1200

This is a plan of the church of San Ambrogio, Italy. This is an example of Italian Lombard Romanesque…

This is a plan of the San Michele, Pavia, Italy. This is an example of Italian Lombard Romanesque architecture. This church represents the "earliest [example] of the solution of the great problem which was exercising the minds of the church builders towards the end of the 11th century, the vaulting of the nave." The scale is in feet.

Plan of San Michele, Pavia, 1000–1200

This is a plan of the San Michele, Pavia, Italy. This is an example of Italian Lombard Romanesque architecture.…

This is a plan of the Cathedral at Würms, Germany. It is an example of Romanesque and Gothic architecture in Germany. The scale is in feet. Construction was started in AD 1000 and continued until 1025. In Germany and Italy up until this point in architecture open timber roofing or flat ceilings were being used, however this problem was "solved in Germany, as well as in Italy, [with the] vaulting over the nave, and the cathedrals of Spires, Worms and Mainz are the three most important churches in which this was accomplished,"

Plan of Cathedral at Worms, AD 1000–1025

This is a plan of the Cathedral at Würms, Germany. It is an example of Romanesque and Gothic architecture…

This blower has a drum consisting of two side plates and a series of partition plates curved in a cross section. The fan is usually long in relation to the diameter.

Centrifugal Blower

This blower has a drum consisting of two side plates and a series of partition plates curved in a cross…

"It was the custom of Northmen to bury their dead sea king near the sea in his ship and over the spot to raise a great mound of earth. The boat shown in the cut was found in 1880 in a burial mound at Gokstadt, South Norway. Its length is 78 feet. From the mode of sepulture it is inferred that the mound was raised between A.D. 700 and 1000."—Myers, 1905

A Viking Ship

"It was the custom of Northmen to bury their dead sea king near the sea in his ship and over the spot…

A small striped squirrel.

Chipmunk

A small striped squirrel.

A tree squirrel.

Gray Squirrel

A tree squirrel.

The common name of hordeum jubatum is squirrel tail grass. The flowers on this grass bloom in June. The height of the grass is two feet.

Hordeum Jubatum

The common name of hordeum jubatum is squirrel tail grass. The flowers on this grass bloom in June.…

Pictured are nectar cells magnified 1000 diameters. The nectariferous nucleus is also pictured.

Nectar Cells

Pictured are nectar cells magnified 1000 diameters. The nectariferous nucleus is also pictured.

Illustrated is the leaf of squirrel corn, the common name of dicentra canadensis. The leaves are finely cut with linear and abruptly pointed segments.

Squirrel Corn Leaf

Illustrated is the leaf of squirrel corn, the common name of dicentra canadensis. The leaves are finely…

A chipmunk, a ground squirrel belonging to the genus Tamias.

Chipmunk

A chipmunk, a ground squirrel belonging to the genus Tamias.

Illustration of an English king between AD 800 and 1000. The king is very likely King Alfred who reigned from 871-899. The king is wearing a tunic and fur-trimmed cloak, along with striped tights and no shoes. He is looking up in an awkward position. His crown has three prongs. Both hands are raised in the air.

An English King from the 9th or 10th Century, Possibly King Alfred

Illustration of an English king between AD 800 and 1000. The king is very likely King Alfred who reigned…

<i>Spermophilus tridecemlineatus</i>. Illustration of the most common of the <i>Spermophilinae</i>. "...having a number (six or eight) of longitudinal stripes, with five or seven rows of spots between them, likened by that patriot to the 'stars and stripes'. It inhabits the prairies of the United States at large, and extends northward into British America." &mdash;Whitney, 1889

Thirteen-Lined Spermophile, Also Called a Federation Squirrel

Spermophilus tridecemlineatus. Illustration of the most common of the Spermophilinae. "...having a number…