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An order of sessile-eyed malacostracan crustaceans, with feet directed partly forwards and partly backwards. This is a shore-jumper.

Amphipoda

An order of sessile-eyed malacostracan crustaceans, with feet directed partly forwards and partly backwards.…

An order of sessile-eyed malacostracan crustaceans, with feet directed partly forwards and partly backwards. This is a portion showing the respiratory organs a a a.

Amphipoda

An order of sessile-eyed malacostracan crustaceans, with feet directed partly forwards and partly backwards.…

Barnacles that look like acorns.

Acorn Barnacles

Barnacles that look like acorns.

Barnacles that hang from a muscular stalk.

Goose Barnacles

Barnacles that hang from a muscular stalk.

A typical crab foud in the ocean.

Crab

A typical crab foud in the ocean.

"These have the shell regularly rounded in front and narrowed behind; the legs are of moderate length, the claws large, and often unequal in size. This species inhabits deep water, and is captured in large quantities by sinking baskets, pots, or nets, baited with carrion, in place which it is known to frequent." — Goodrich, 1859

Common European crab

"These have the shell regularly rounded in front and narrowed behind; the legs are of moderate length,…

A crab having one claw much larger than the other. As they walk sideways, they hold up the large claw in a threatening manner.

Fiddler Crab

A crab having one claw much larger than the other. As they walk sideways, they hold up the large claw…

A small crab with no permanent shell. It must move from shell to shell to grow.

Hermit Crab

A small crab with no permanent shell. It must move from shell to shell to grow.

Horseshoe crabs represent an order called Xiphosura, from the fact that the end of the abdomen is furnished with a long sword-like spine.

Horseshoe Crab

Horseshoe crabs represent an order called Xiphosura, from the fact that the end of the abdomen is furnished…

"It is among the largest of crustaceous animals, sometimes measuring as much as two feet in length. The body is composed of two divisions - an anterior, crescent-shaped piece, or carapace, and a posterior, somewhat hexagonal piece, formed by the coalescence of the abdominal segments." — Goodrich, 1859

King crab

"It is among the largest of crustaceous animals, sometimes measuring as much as two feet in length.…

Crabs are ten-footed crustaceans. The abdomen is tucked out of site, so that nothing is visible except the carapace.

Spider-Crab

Crabs are ten-footed crustaceans. The abdomen is tucked out of site, so that nothing is visible except…

Types of the Lower Crustacea. 1, Balanus; 2, Cytherea lutea; 3, Dapania pulex; 4, Lepus anatifera; 5, Artemia salina; 6, Nebalia bipes; 7, Apocudes speciosus; 8, Orchestia selkirki; 9, Gribble; 10, Woodlouse; 11, Cyclaspis pusilla; 12, Squilla nautis; 13, Mysis relicta; 14, Hermit crab. 1, 4, 12 and 14 reduced to one-half; 2, 3 and 5 are magnified.

Crustacea

Types of the Lower Crustacea. 1, Balanus; 2, Cytherea lutea; 3, Dapania pulex; 4, Lepus anatifera; 5,…

The water flea known as Cypris.

Water Flea

The water flea known as Cypris.

The water flea known as Daphnia.

Water Flea

The water flea known as Daphnia.

The water flea known as Cyclops.

Water Flea

The water flea known as Cyclops.

Common lobster. I. first pair of legs; 2 and 3. second and third pairs of legs; 4 and 5. last two pair of legs; a smaller antennae; ga greater antennae; ca carapace.

Lobster

Common lobster. I. first pair of legs; 2 and 3. second and third pairs of legs; 4 and 5. last two pair…

Lobsters have two big claws and a muscular tail used for movement.

Lobster

Lobsters have two big claws and a muscular tail used for movement.

Wood-lice are commonly found under stones or in crevices of old walls. When disturbed, they curl up to protect their soft abdomens.

Wood Louse

Wood-lice are commonly found under stones or in crevices of old walls. When disturbed, they curl up…

Wood-lice are commonly found under stones or in crevices of old walls. When disturbed, they curl up to protect their soft abdomens.

Wood Louse

Wood-lice are commonly found under stones or in crevices of old walls. When disturbed, they curl up…

"The Common Sand-hopper, <em>Talitrus locusta</em>, which may be met with in thousands upon thousands of European shores, is a well-known example of this family. Although its length is not much more than half an inch, it can leap several inches into the air, and the facility with which it escapes pursuit by burrowing into the soft wet sand is truly wonderful." &mdash; Goodrich, 1859

Sand-hopper

"The Common Sand-hopper, Talitrus locusta, which may be met with in thousands upon thousands…