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This image depicts a ball game during the summer in San Sebastian, Spain.

Ball Game

This image depicts a ball game during the summer in San Sebastian, Spain.

The summer yellow-bird and the cow-bird around a nest

Cow-bird and summer yellow-bird

The summer yellow-bird and the cow-bird around a nest

A summer squash with a fast maturation rate.

Early Summer Crookneck

A summer squash with a fast maturation rate.

A group of summer ducks (also known as wood ducks) nesting in a tree.

Summer Ducks

A group of summer ducks (also known as wood ducks) nesting in a tree.

"Now it is the inclination of the Earth's axis, as above described, which causes the lengths of the days and nights to differ at the same place at different seasons of the year, for on reviewing the positions of the globe at A, it will be observed that the line formed by the enlightened and dark hemispheres, does not coincide with the line of the axis and the pole, but that the line formed by the darkness and the light, extends obliquely across the line of the Earth's axis, so that the north pole is in the light while the south is in the dark. In the position A, therefore, an observer at the north pole would see the sun constantly, while another at the south pole would not see it at all. Hence those living in the north temperate zone, at the season of the year when the earth is at A, or in the Summer, would have long days and short nights, in proportion as they approached the polar circle; while those who live in the south temperate zone, at the same time, and when it would be Winter there, would have long nights and short days in the same proportion." —Comstock, 1850

Earth Axis

"Now it is the inclination of the Earth's axis, as above described, which causes the lengths of the…

"Now it is the inclination of the Earth's axis, as above described, which causes the lengths of the days and nights to differ at the same place at different seasons of the year, for on reviewing the positions of the globe at A, it will be observed that the line formed by the enlightened and dark hemispheres, does not coincide with the line of the axis and the pole, but that the line formed by the darkness and the light, extends obliquely across the line of the Earth's axis, so that the north pole is in the light while the south is in the dark. In the position A, therefore, an observer at the north pole would see the sun constantly, while another at the south pole would not see it at all. Hence those living in the north temperate zone, at the season of the year when the earth is at A, or in the Summer, would have long days and short nights, in proportion as they approached the polar circle; while those who live in the south temperate zone, at the same time, and when it would be Winter there, would have long nights and short days in the same proportion." —Comstock, 1850

Earth Axis

"Now it is the inclination of the Earth's axis, as above described, which causes the lengths of the…

Also known as the summer teal, the garganey is sixteen inches long and found in Southern Europe and India.

Garganey

Also known as the summer teal, the garganey is sixteen inches long and found in Southern Europe and…

A squash with a hard shell and better quality than other species of squash.

Essex Hybrid

A squash with a hard shell and better quality than other species of squash.

"Part of Lapidary's Mill. A, upper summer (cut through); B, lower summer (cut through); C, spindle; D, pulley; E, lap; F, table (cut through); g, g, wooden blocks, adjusted by means of wedges." —The Encyclopedia Britannica, 1910

Lapidary's Mill

"Part of Lapidary's Mill. A, upper summer (cut through); B, lower summer (cut through); C, spindle;…

"In Summer heat, when brightly shines the sun, / To make your hay, the proper time is come: / Spread round the new mown grass, and do it right, / Work while the sky is clear, and sun is bright."—Barber, 1857

Make Hay While the Sun Shines

"In Summer heat, when brightly shines the sun, / To make your hay, the proper time is come: / Spread…

"Some plants, like pelargoniums, can only be kept handsomely formed and well furnished by cutting them down severely every season, after the blooming is over. The plants should be prepared for this by keeping them rather dry at the root, and after cutting they must stand with little or no water till the stems heal over, and produce yound shoots, or "break," as it is technically termed." — Encyclopedia Britannica, 1893

Pelargoniums

"Some plants, like pelargoniums, can only be kept handsomely formed and well furnished by cutting them…

"Summer and Winter rays.—Let us suppose that the rays falling perpendicularly on a given extent of surface, impart to it a certain degree of heat, then it is obvious, that if the same number of rays be spread over twice that extent of surface, their heating power would be diminished in proportion, and that only half of the heat would be imparted. This is the effect produced by the Sun's rays in the Winter. They fall so obliquely on the Earth, as to occupy nearly double the space that the same number of rays do in the Summer." —Comstock, 1850

Rays

"Summer and Winter rays.—Let us suppose that the rays falling perpendicularly on a given extent…

The winter plumage of a Ptarmigan, a grouse of the genus Lagopus. Usually a light reddish brown tint, it becomes pure white except for a black, white tipped tail in the winter months.

Rock Ptarmigan Summer Plumage

The winter plumage of a Ptarmigan, a grouse of the genus Lagopus. Usually a light reddish brown tint,…

"Suppose the Earth to be in her Summer solstice, which takes place on the 21st of June. At this period she will be at a, having her north pole, n, so inclined towards the Sun, that the whole arctic circle will be illuminated, and consequently the Sun's rays will extend 23.25 degrees, the breadth of the polar circle, beyond the north pole." —Comstock, 1850

Seasons

"Suppose the Earth to be in her Summer solstice, which takes place on the 21st of June. At this period…

"Relative positions of the earth and the sun on June 21, the summer solstice. Summer and long days north of the Equator; winter and short days south of it." -Wiswell, 1913

Summer Solstice

"Relative positions of the earth and the sun on June 21, the summer solstice. Summer and long days north…

"Relative positions of the earth and the sun on December 21, the winter solstice. Winter and short days north of the Equator; summer and long days south of it. 1, North Frigid Zone; 2, North Temperate Zone; 3, Torrid Zone; 4, South Temperate Zone; 5, South Frigid Zone." -Wiswell, 1913

Winter Solstice

"Relative positions of the earth and the sun on December 21, the winter solstice. Winter and short days…

A small summer squash notable for its resemblance to a small toy top.

Pattypan Squash

A small summer squash notable for its resemblance to a small toy top.

"Summer Pruning should be performed while the shoots are yet young and succulent, so that they may be in most cases be nipped off with the thumb-nail. It is very necessary in the case of trees trained to a flat surface, as a wall or espalier rail, to prevent undue crowding. In some cases, as, for example, with peaches, the superfluous shoots are wholly removed, and certain selected shoots reserved to supply bearing wood for the next year." — Encyclopedia Britannica, 1893

Summer Pruning

"Summer Pruning should be performed while the shoots are yet young and succulent, so that they may be…

"Summer Pruning should be performed while the shoots are yet young and succulent, so that they may be in most cases be nipped off with the thumb-nail. It is very necessary in the case of trees trained to a flat surface, as a wall or espalier rail, to prevent undue crowding. In some cases, as, for example, with peaches, the superfluous shoots are wholly removed, and certain selected shoots reserved to supply bearing wood for the next year." — Encyclopedia Britannica, 1893

Summer Pruning

"Summer Pruning should be performed while the shoots are yet young and succulent, so that they may be…

"Pea weevil; adult. The pea weevil (Bruchus) is often found in peas in its larval state during summer and autumn, as a pupa in winter, and in the adult form in late spring, when it comes forth to lay its eggs on the pods of the growing peas. To find the weevil in the fall, soak peas in water for a day." —Davison, 1906

Pea Weevil

"Pea weevil; adult. The pea weevil (Bruchus) is often found in peas in its larval state during summer…

"Pea weevil; pupa. The pea weevil (Bruchus) is often found in peas in its larval state during summer and autumn, as a pupa in winter, and in the adult form in late spring, when it comes forth to lay its eggs on the pods of the growing peas. To find the weevil in the fall, soak peas in water for a day." —Davison, 1906

Pea Weevil

"Pea weevil; pupa. The pea weevil (Bruchus) is often found in peas in its larval state during summer…