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The modern decorative easel is a sloping frame with three or four legs. The front and rear are often connected by hinges to enable the angle of the slope to be altered. The front has a small board that can be adjusted to different heights by pins. Painters and sculptors used it, but it was often made as a decorative piece of furniture to hold pictures and portfolios.

Modern Decorative Easel

The modern decorative easel is a sloping frame with three or four legs. The front and rear are often…

This Renaissance hanging-cabinet was made in Germany. Modest in dimension and used for practical purposes.

Renaissance Hanging-Cabinet

This Renaissance hanging-cabinet was made in Germany. Modest in dimension and used for practical purposes.

The Egyptian throne had a lotus ornament with the arms formed by the wings of the sacred hawk.

Egyptian Throne

The Egyptian throne had a lotus ornament with the arms formed by the wings of the sacred hawk.

Cutaneous nerve supply of legs. Anterior aspect. 1, ilioinguinal; 2, genitocrural; 3, external cutaneous; 4, middle cutaneous; 5, internal cutaneous; 6, patellar plexus; 7, branches of external popliteal; 8, internal saphenous; 9, musculocutaneous; 10, external saphenous; 11, anterior tibial. Posterior aspect. 1, 2, and 3, Small sciatic; 4, external cutaneous; 5, internal cutaneous; 6, internal saphenous; 7, branches of external popliteal; 8, short saphenous; 9, posterior tibial; 10, internal saphenous; 11, internal plantar; 12, external plantar.

Nerve Supply of Legs

Cutaneous nerve supply of legs. Anterior aspect. 1, ilioinguinal; 2, genitocrural; 3, external cutaneous;…

The common hundred-legged worm. Its body is divided into a number of similar joints, and each joint is provided with a pair of legs.

Centiped

The common hundred-legged worm. Its body is divided into a number of similar joints, and each joint…

"A very ugly-looking creature, which belongs to the <em>Octopodidae</em> family, is the Octopus."

Octopus Vulgaris (Lamarck)

"A very ugly-looking creature, which belongs to the Octopodidae family, is the Octopus."

"A very ugly-looking creature, which belongs to the <em>Octopodidae</em> family, is the Octopus."

Octopus Macropus (Risso)

"A very ugly-looking creature, which belongs to the Octopodidae family, is the Octopus."

"A very ugly-looking creature, which belongs to the <em>Octopodidae</em> family, is the Octopus."

Octopus Brevipes (d'Orbigny)

"A very ugly-looking creature, which belongs to the Octopodidae family, is the Octopus."

"A very ugly-looking creature, which belongs to the <em>Octopodidae</em> family, is the Octopus."

Octopus Horridus (d'Orbigny)

"A very ugly-looking creature, which belongs to the Octopodidae family, is the Octopus."

This creature, belonging to the <em>Octopodidae</em> family, "changes its color under any exertion, so that the animal at rest and in motion are two different beings."

Pinnoctopus Cordiiformis (Q. & G.)

This creature, belonging to the Octopodidae family, "changes its color under any exertion,…

"In one genera [of the <em>Octopodidae</em> family] the arms are completely united in their whole extent by a thin membrane."

Cirrhoteuthis Mulleri (Eschricht)

"In one genera [of the Octopodidae family] the arms are completely united in their whole extent…

"The Paper-nautilus, or Argonaut, [floats] gracefully on the surface of the sea, trimming its tiny sail to the breeze, just sufficient to ruffle the surface of the waves, it looks like an exquisite living shallop."

Argonauto Argo (Linnaeus)

"The Paper-nautilus, or Argonaut, [floats] gracefully on the surface of the sea, trimming its tiny sail…

"The principal apparatus of progression of the animal is the funnel with which it is furnished, in common with all Cephalopods, and which is very long in the argonaut. Aided by this apparatus, it ejects water after it has served the purpose of respiration, and in doing so, projects itself through the water."

Argonauta Papyracea Swimming

"The principal apparatus of progression of the animal is the funnel with which it is furnished, in common…

"The argonaut can blush, turn pale, and show through its transparent shell its body changing in sudden shades."

Argonauta Papyracea in its Shell

"The argonaut can blush, turn pale, and show through its transparent shell its body changing in sudden…

"The body of the Edible Frog sometimes attains a length, from the extremity of the muzzle to the end of the hind feet, of six to eight inches."

The Edible Frog

"The body of the Edible Frog sometimes attains a length, from the extremity of the muzzle to the end…

"The Guillemots, when placed on the ground, raise themselves with great difficulty, owing to the conformation of their legs."

Guillemots

"The Guillemots, when placed on the ground, raise themselves with great difficulty, owing to the conformation…

"It is the most remarkable of all duck tribe. It is larger and stands higher on its legs than the common wild duck."

The Shieldrake

"It is the most remarkable of all duck tribe. It is larger and stands higher on its legs than the common…

The coat of arms of Albrecht D&uuml;rer.

Dürer Coat of Arms

The coat of arms of Albrecht Dürer.

A close-up of the hind leg of a Heterocerus.

Hind Leg of a Heterocerus

A close-up of the hind leg of a Heterocerus.

"The front leg of a genera of beetles."

Front Leg of a Zophosis

"The front leg of a genera of beetles."

Jumping insects have very developed hind legs.

Posterior Leg of a Jumping Insect

Jumping insects have very developed hind legs.

"Sometimes these insects destroy grass; they often injure the harvest."

Daddy Long Legs (Tipula Oleracea)

"Sometimes these insects destroy grass; they often injure the harvest."

A man sitting down checking the time on his pocket watch.

Pocket Watch

A man sitting down checking the time on his pocket watch.

In changing the compass from a small to large radius, hold the legs together with one hand and spin the nut with the other, in order to save wear on the threads.

Adjusting the Compass

In changing the compass from a small to large radius, hold the legs together with one hand and spin…

To properly change the compass from one size to another, make sure to place legs together while turning the nut slowly.

Compass Adjustment

To properly change the compass from one size to another, make sure to place legs together while turning…

Representation of the scaly legs of the Gipsy moth.

Scaly Legs of the Caterpillar of the Gipsy Moth (Liparis Dispar)

Representation of the scaly legs of the Gipsy moth.

Membranous and fleshy legs.

Membranous Legs of Silkworm (Bombyx Mori)

Membranous and fleshy legs.

Representation of "the two membranous legs of a large caterpillar, of which the hooks of the feet are fastened into the branch of a shrub."

Membranous Legs of a Large Caterpillar Embracing a Twig

Representation of "the two membranous legs of a large caterpillar, of which the hooks of the feet are…

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet at full length, determines to walk, in order to take its first step it begins by humping its back, curving into an arch that part which has no legs, and finishes by [lying flat]"

Looper Caterpillar

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet…

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet at full length, determines to walk, in order to take its first step it begins by humping its back, curving into an arch that part which has no legs, and finishes by [lying flat]"

Looper Caterpillar Curved into an Arch

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet…

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet at full length, determines to walk, in order to take its first step it begins by humping its back, curving into an arch that part which has no legs, and finishes by [lying at full length]"

Looper Caterpillar at Full Length

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet…

"Their attitudes deceive even the close observer; they embrace the stem of the leaf or twig with their hinder or intermediate legs, whilst the rest of their body, vertically elevated, remans stiff and immovable for hours together."

Caterpillar of the Canary-Shouldered Thorn

"Their attitudes deceive even the close observer; they embrace the stem of the leaf or twig with their…

"When the caterpillar wants to gnaw the edge of a leaf, it twists its body in such a way that at least one portion of the edge of the leaf is held between its legs, while the insect's jaws cut the leaf."

Looper Caterpillar Eating the Leaves of the Apricot (After Reaumur)

"When the caterpillar wants to gnaw the edge of a leaf, it twists its body in such a way that at least…

"In this early state one recognizes the head, which is then resting on the thorax; the two eyes and the antennae, which are brought forward like two ribbons; the wings are also brought over the thorax, but these are separated artificially in the drawing we have given; and lastly, in the space left between the wings, the six legs and the body of the insect."

Chrysalis of the Large Tortoise Shell Butterfly (Vanessa Polychloros)

"In this early state one recognizes the head, which is then resting on the thorax; the two eyes and…

Superficial lymphatic vessels and nodes of the upper extremity.

Lymphatic Vessels and Nodes of the Arms

Superficial lymphatic vessels and nodes of the upper extremity.

Distribution of cutaneous nerves on the front of the right lower extremity. The figure at the right shows the areas of distribution of the cutaneous nerves. The letters and numeral in the figure at the left indicate spinal origin of the nerves distributed to each area.

Cutaneous Nerves on the Front of the Legs

Distribution of cutaneous nerves on the front of the right lower extremity. The figure at the right…

Distribution of cutaneous nerves on the back of the right lower extremity. The figure at the right shows the areas of distribution of the cutaneous nerves. The letters and numerals in the figure at the left indicate spinal origins of the nerves distributed to each area.

Cutaneous Nerves on the Back of the Legs

Distribution of cutaneous nerves on the back of the right lower extremity. The figure at the right shows…

Superficial lymphatic vessels and nodes of the right lowers extremity and groin.

Superficial Lymphatics and Vessels and Nodes of the Legs

Superficial lymphatic vessels and nodes of the right lowers extremity and groin.

They use their foremost legs as shovels to hollow out underground areas to hide and lay eggs. They are detrimental to agriculture.

Mole Cricket (Gryllo Talpa Vulgaris)

They use their foremost legs as shovels to hollow out underground areas to hide and lay eggs. They are…

"The males are larger and more hairy than the working bee, emitting a sonorous and buzzing sound, have no palettes on their legs, the hairs on their tarsi are not appropriate to the work of gathering, their mandibles are sharper, and they have no sting like that with which the working bee is provided."

Male or Drone Bee (Apis Mellifica)

"The males are larger and more hairy than the working bee, emitting a sonorous and buzzing sound, have…

"Its body is transparent, the head and wings can be made out, but no legs. The mouth is a retractible nipple."

Larva of the Red Ant (Myrmica Rubra)

"Its body is transparent, the head and wings can be made out, but no legs. The mouth is a retractible…

The foot is a biological structure found in humans that is used for walking.

Feet

The foot is a biological structure found in humans that is used for walking.

"A larger species from Brazil, with very long front legs."

Epinectus Sulcatus

"A larger species from Brazil, with very long front legs."

"An Australian insect, of a bright black, which attains to more than an inch and three quarters in length, and whose short, serrated legs enable it to hollow out the ground."

Campylocnemis Schroeteri

"An Australian insect, of a bright black, which attains to more than an inch and three quarters in length,…

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out the contents of is abdomen."

Tiger Beetle (Cicindela Heros)

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out…

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out the contents of is abdomen."

Upper Side of Pupa of Tiger Beetle (Cicindela Heros)

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out…

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out the contents of is abdomen."

Under Side of Pupa of Tiger Beetle (Cicindela Heros)

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out…

"A month afterward there come out of these eggs very small larvae, of a shining dark green, hard-skinned, armed with strong jaws, and long legs and antennae. As the bees come out of their nests, these larvae hook themselves onto their hairs."

First Larva of Sitaris Humeralis

"A month afterward there come out of these eggs very small larvae, of a shining dark green, hard-skinned,…

"The arms of the polyps are at times subject to violent agitation, and the tentacula become much excited. If this excitement continues, the tentacula can be seen to fold and roll themselves up. The little opening around which these tentacula are attached forms the mouth of the polyp."

Coral Polyp (Lacaze-Duthiers)

"The arms of the polyps are at times subject to violent agitation, and the tentacula become much excited.…

"This figure shows a specimen of a family in which the arms are something like the tails of serpents. This species lives in she seas of the Antilles; the five arms are each provided with three to four rows of spines."

Ophiocoma Riisea (Lutken)

"This figure shows a specimen of a family in which the arms are something like the tails of serpents.…

This specimen is yellowish; its disk about four inches, its arms sixteen to eighteen. It is a very curious inhabitant of the Indian Ocean.

Periphylia Mirabilis

This specimen is yellowish; its disk about four inches, its arms sixteen to eighteen. It is a very curious…

Ascidia Podunculata (Milne-Edwards) "The Tunicata would not probably by taken for animals at first sight. They have neither arms, nor head, nor feet; but then they have a mouth, placed at the entrance of a digestive tube. It is a single ganglion, connected with divers small threads."

Social Tunicates

Ascidia Podunculata (Milne-Edwards) "The Tunicata would not probably by taken for animals at first sight.…

The Coat of Arms designated for Canterbury. These Arms predate the break between Rome and the Church of England.

Arms of Canterbury

The Coat of Arms designated for Canterbury. These Arms predate the break between Rome and the Church…

"Chymocarpus pentaphyllus; 2. a longitudinal section of its flower; 3. ovary of Tropaeolum majus; 4. a vertical section of a carpel, showing the position of the ovule; 5. a perpendicular section of a seed." -Lindley, 1853

Ladies' Legs Nasturtium

"Chymocarpus pentaphyllus; 2. a longitudinal section of its flower; 3. ovary of Tropaeolum majus; 4.…

The British ran a blockade of Southern ports with vessels carrying arms, ammunitions, and other supplies to the Confederates.

A Confederate Blockade-Runner

The British ran a blockade of Southern ports with vessels carrying arms, ammunitions, and other supplies…

This image of a giant Brazilian Tree shows about fifteen men with arms outstretched are needed to embrace on tree.

Brazilian Trees

This image of a giant Brazilian Tree shows about fifteen men with arms outstretched are needed to embrace…

An armorer, or armourer, was in former times a smith who specialized in manufacturing and repairing arms and armour. In modern usage, the word may also designate a member of a modern military or police force who maintains and repairs small arms, and weapons systems, with some duties resembling those of a civilian gunsmith.

An Armourer

An armorer, or armourer, was in former times a smith who specialized in manufacturing and repairing…

Distribution of cutaneous nerves on the back of the lower legs. On the one side the distribution of the several nerves is represented the letters indicating their nomenclature. Labels: L.1, 2, 3, S.1, 2, 3, posterior primary division of lumbar and sacral nerves: I.H, iliohypgastric; T.12, lateral and posterior branches of the last thoracic nerve; A.Co1, posterior sacrococcygeal nerve; A.Co2, anterior sacro-coccygeal nerve; PERF., perforating cutaneous nerve; S.Sc, small sciatic; E.C, external cutaneous; OBT, obturator; I.C, internal cutaneous; E.P.S, sural branches of peroneal; I.S., internal saphenous; E.S, external saphenous; M.C, musculocutaneous; CALC, calcanean branch of posterior tibial; I.P, internal plantar; E.P. external plantar nerve. On the other side a schematic representation is given of the areas supplied by the above nerves, the letters indicating the spinal origin of the branches of distribution to each area.

Cutaneous Nerves of the Back Legs

Distribution of cutaneous nerves on the back of the lower legs. On the one side the distribution of…

The clamp has two horizontal arms at the side, the lower arm carrying a screw that, by means of the handle, can be screwed up tight against the under side of the bench. The vise is of steel and has two jaws having roughened faces to give a good bite or hold on the work when placed between the jaws.

Hand Vise, Clamped to Bench

The clamp has two horizontal arms at the side, the lower arm carrying a screw that, by means of the…

The Yellow-throated Vireo, Vireo flavifrons, is a small American songbird. Adults are mainly olive on the head and upperparts with a yellow throat and white belly; they have dark eyes with yellow "spectacles". The tail and wings are dark with white wing bars. They have thick blue-grey legs and a stout bill. Their breeding habitat is open deciduous woods in southern Canada and the eastern United States

Yellow-throated Vireo

The Yellow-throated Vireo, Vireo flavifrons, is a small American songbird. Adults are mainly olive on…