Hyenas look like dogs, but are more closely related to cats and civets. Their front legs are longer…
The seal is an aquatic mammal, whose limbs are formed into flippers. The tail tapers at the end of the…
The eyes of the mole are very small, but its hearing and smell are acute. Its fur is fine and soft,…
Hares are larger than rabbits, with longer ears and hind legs. They live above ground in nests. Hares…
When irritated, the neck of a cobra swells at the same time it raises the front part of its body vertically,…
A Calash is a light carriage on low wheels, seats 4 inside, and can, through a movable top and front,…
The seal is an aquatic mammal, whose limbs are formed into flippers. The tail tapers at the end of the…
Argonaut, sectional view submerged, 1901. Man in conning-tower making observations. Second man steering…
Argonaut, side view submerged, 1901. Key: C-driving wheel, E-rudder and guiding wheel, G-air lock, K-compartment…
A cylinder is a body of uniform diameter throughout its entire length, whose ends are equal parallel…
In the season of 1915 the 8-cylinder car proved an absorbing topic for automobile engineers and experts,…
View of the Boston Massacre from an old print engraved, printed, and sold by Paul Revere, Boston.
From a chart of "Modern fashionable carriages and vehicles in general use," 1893.
Dorsal view of internal structures of earthworm after cutting through the dorsal wall lengthwise and…
Limpets are found along the shore. they are gastropods with low conical shells. this is a surface view.
Limpets are found along the shore. they are gastropods with low conical shells. This is a side view.
Moles are well fitted for digging by the very large front feet and strong muscles of the front legs.…
Tapirs are found in South America. They have four toes in front and three behind. The snout is prolonged.
The dugong is closeley related to the manatee. It has no hind limbs, but its forelimbs are converted…