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When General McClellan reached Locst Hill, on april 2nd, 1862, he found fifty-eight thousand men and much of his artillery there. The following day he moved his whole army toward Yorktown, in order to prevent, if possible, Johnston's re-enforcement of General Magruder, expecting to receive in time for the co-operation of the naval force in Hampton Roads, which he thought would reduce the Confederate batteries both on the James and York Rivers.

Advance of the Federal Army towards Yorktown

When General McClellan reached Locst Hill, on april 2nd, 1862, he found fifty-eight thousand men and…

"Beetle of the locust borer." —Davison, 1906

Locust Borer

"Beetle of the locust borer." —Davison, 1906

This family of insects is famous for its chirping sounds.

Cicada

This family of insects is famous for its chirping sounds.

Cicadas are probably best known by the shrillsound made by the males.

Cicada

Cicadas are probably best known by the shrillsound made by the males.

"In America the cicadas have the general name of <em>Harvest-flies</em>; they are also often improperly called <em>Locusts</em>. There are several species, one of which, the Red-eyed cicada, <em>C. septendicim</em>, is remarkable on account of the popular notion that it appears only once in seventeen years, in the same locality, being supposed to pass the interval in its preparatory stages." &mdash; Goodrich, 1859

Cicada

"In America the cicadas have the general name of Harvest-flies; they are also often improperly…

The male grasshopper makes noise by rubbing together hard plates on the inside of the thighs.

Grasshopper

The male grasshopper makes noise by rubbing together hard plates on the inside of the thighs.

Grasshoppers are insects of the suborder Caelifera in the order Orthoptera. To distinguish them from bush crickets or katydids, they are sometimes referred to as short-horned grasshoppers. Species that change color and behaviour at high population densities are called locusts.

Female Grasshopper

Grasshoppers are insects of the suborder Caelifera in the order Orthoptera. To distinguish them from…

A grove of black-locust trees. Contrast with the brush in the background on an adjoining farm.

Grove of black-locust trees

A grove of black-locust trees. Contrast with the brush in the background on an adjoining farm.

Locusts are in the grasshopper family, although they have shorter legs and antennae. They can be extensively destructive to crops.

Locust

Locusts are in the grasshopper family, although they have shorter legs and antennae. They can be extensively…

The Locust is in the Pea family. The flower is butterfly-shaped.

Locust

The Locust is in the Pea family. The flower is butterfly-shaped.

The migratory locust travels in enormous numbers and can devour fresh fields to devastation.

Locust

The migratory locust travels in enormous numbers and can devour fresh fields to devastation.

"The locusts come down in swarms of millions from the warm lands of southern Brazil. There are so many of them at times that they shut out the sunlight like a storm cloud." &mdash;Carpenter, 1902

Locust

"The locusts come down in swarms of millions from the warm lands of southern Brazil. There are so many…

The name of several species of insects allied to grasshoppers and crickets. The term is applied conjointly by some writers with the name grasshopper to destructive and migratory species of insects common to many portions of the continents.

Locust

The name of several species of insects allied to grasshoppers and crickets. The term is applied conjointly…

This is an illustration of crystals of the inner bark of the locust.

Locust

This is an illustration of crystals of the inner bark of the locust.

The locust is a short-horned grasshopper in its swarming phase.

Locust

The locust is a short-horned grasshopper in its swarming phase.

The locust is a short-horned grasshopper in its swarming phase.

Locust

The locust is a short-horned grasshopper in its swarming phase.

A group of related genera is call a family. Schistocerca melanocera Stol from Charles Island. Locust taken on the Galapagos Islands, Pacific Ocean; are all decended from a common ancestor, and are scattered over the various islands and varying is size and markings.

Locust

A group of related genera is call a family. Schistocerca melanocera Stol from Charles Island. Locust…

A group of related genera is call a family. S. intermedia borealis Snodgrass from Abingdon and Bindloe Islands. Locust taken on the Galapagos Islands, Pacific Ocean; are all decended from a common ancestor, and are scattered over the various islands and varying is size and markings

Locust

A group of related genera is call a family. S. intermedia borealis Snodgrass from Abingdon and Bindloe…

A group of related genera is call a family. S. intermedia Snodgrass from Duncan Islands. Locust taken on the Galapagos Islands, Pacific Ocean; are all decended from a common ancestor, and are scattered over the various islands and varying is size and markings

Locust

A group of related genera is call a family. S. intermedia Snodgrass from Duncan Islands. Locust taken…

A group of related genera is call a family. S. literosa Walker from Chatham Island. Locust taken on the Galapagos Islands, Pacific Ocean; are all decended from a common ancestor, and are scattered over the various islands and varying is size and markings

Locust

A group of related genera is call a family. S. literosa Walker from Chatham Island. Locust taken on…

A group of related genera is call a family. S. melanocera lineata Snodgrass from Albemarle Island. Locust taken on the Galapagos Islands, Pacific Ocean; are all decended from a common ancestor, and are scattered over the various islands and varying is size and markings

Locust

A group of related genera is call a family. S. melanocera lineata Snodgrass from Albemarle Island. Locust…

A group of related genera is call a family. S. melanocera immaculata Snodgrass from Indefatigable Island. Locust taken on the Galapagos Islands, Pacific Ocean; are all decended from a common ancestor, and are scattered over the various islands and varying is size and markings

Locust

A group of related genera is call a family. S. melanocera immaculata Snodgrass from Indefatigable Island.…

Locust is the swarming phase of short-horned grasshoppers of the family Acrididae. These are species that can breed rapidly under suitable conditions and subsequently become gregarious and migratory. They form bands as nymphs and swarms as adults&mdash;both of which can travel great distances, rapidly stripping fields and greatly damaging crops.

Locust

Locust is the swarming phase of short-horned grasshoppers of the family Acrididae. These are species…

Enlarged end of the female, showing oviposition: the oviduct, the egg guide, and the egg issuing from horny valves.

Locust Anatomy

Enlarged end of the female, showing oviposition: the oviduct, the egg guide, and the egg issuing from…

These are the seeds or racemes of the Locust blossoms, Robinia pseudoacacia,(Keeler, 1915).

Locust Blossom Seeds

These are the seeds or racemes of the Locust blossoms, Robinia pseudoacacia,(Keeler, 1915).

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage a.

Locust development

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage a.

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage b.

Locust development

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage b.

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage c.

Locust development

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage c.

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage d.

Locust development

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage d.

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage e.

Locust development

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage e.

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage f.

Locust development

Post-embryonic development of the Rocky Mountain locust. Successive developmental stage f.

The egg of the Rocky mountain locust.

Locust egg

The egg of the Rocky mountain locust.

A locust laying eggs.

Locust laying eggs

A locust laying eggs.

"The migratory locust measures about two and a half inches in length, and some other exotic species are much larger; the <em>Locusta cristata</em>, a very beautiful species, common in the Levant, being four inches long, and between seven and eight in expanse of wings." &mdash; Goodrich, 1859

Locusta Cristata

"The migratory locust measures about two and a half inches in length, and some other exotic species…

"Locusts, which, from their often collecting in vast swarms, and moving onward with a steady and irresistable progress, quickly destroy every trace of vegetation over a vast extent of country, thus reducing the husbanman to despair, and concerting the smiling face of nature into a desolate wilderness." &mdash; Goodrich, 1859

Locusts

"Locusts, which, from their often collecting in vast swarms, and moving onward with a steady and irresistable…

The legume of the pea, open.

Pea

The legume of the pea, open.

The flower of False Indigo, in the Pea family.

Pea

The flower of False Indigo, in the Pea family.

The flower of False Indigo, in the Pea family, with the petals removed.

Pea

The flower of False Indigo, in the Pea family, with the petals removed.

The flower of Amorpha, in the Pea family.

Pea

The flower of Amorpha, in the Pea family.

The flower of Amorpha, in the Pea family, with petals removed.

Pea

The flower of Amorpha, in the Pea family, with petals removed.