An ancient crinoid, sea lilies are flowerlike, with branching arms surrounding the central mouth.
An ancient crinoid, stone lilies are flowerlike, with branching arms surrounding the central mouth.
Crinoids are Echinoderms. They are distinguished by the fact that they are fixed, during the whole or…
Crinoids are Echinoderms. They are distinguished by the fact that they are fixed, during the whole or…
The only species of the Ptilocerque genus. "Has a very long tail, the first half naked, and the rest…
Head of an eagle owl. It has large eyes for seeing at night, and a hooked beak for snaring its prey.
Native to South America, the males of this species are known for their pair of prominent tail feathers.
Nest of the common European swallow, which can be found in old wells and mines, under the roofs of barns…
Widely distributed over Africa, Asia, and Europe, the hoopoe has a distinctive crest of feathers on…
Feeding primarily on fruits, the umbrella-bird has two dstinctive crests of feathers, one rising from…
Native to Sumatra and India, the argus pheasant can measure up to five feet in length.
The males of the peacock species are known for their magnificent plumage. For this reason they have…
The males of the peacock species are known for their magnificent plumage. For this reason they have…
"These animals, called Umbrella-Shells, are furnished with a shell, which, however, is often…
"Feather from Argus Pheasant. (a,d, main stem; d, calamus; a, rachis; c,c,c, vanes cut away on right…
"The body is flattened and covered with several cacareous plates; the lower, or entral surface, bears…
"Goose is the name of a well-known family of natatorial birds. The domestic goose is believed to have…
"The main stem of the polypidom of these animals is fleshy, but is furnished with an internal bony axis,…
"Rice is a well known genus of grasses, having panicles of one-flowered spike-lets, with two very small…
One of the growths, generally formed each of a central quill and a vane on each side of it, which make…
"When a new bird is seen, the observer should write an accurate description of it in his notebook, giving…
"Also known as the cone, the palm leaf, the river loop, the crown jewel, the seal, the almond, the feather,…
"Also known as the cone, the palm leaf, the river loop, the crown jewel, the seal, the almond, the feather,…
"Also known as the cone, the palm leaf, the river loop, the crown jewel, the seal, the almond, the feather,…
"Also known as the cone, the palm leaf, the river loop, the crown jewel, the seal, the almond, the feather,…
"Also known as the cone, the palm leaf, the river loop, the crown jewel, the seal, the almond, the feather,…
"Also known as the cone, the palm leaf, the river loop, the crown jewel, the seal, the almond, the feather,…
A mammal with a long tail furnished with distichous hairs towards the end, like a pen or feather.
An old world bird that is distinguished by it's vibrant plumage and downward-curving bill, and bright…
This painting was done by Frans Hals. This piece is a great example of the great talent the artist has…
Part of stem and leaf of Prince's-Feather (Polygonum orientale) with the united sheathing stipules forming…
"When a feather and a cent are dropped from the same height, the cent reaches jthe ground first. this…
"Remove the air from a high glass tube by means of an instrument called the air-pump... Then... drop…
Leaves - compound (odd-feathered, but with the odd leaflet often dwarfed or broken off; leaflets, twenty-one…
Leaves - compound (odd-feathered; leaflets, eleven to twenty-five); alternate; edge entire. Outline…
Leaves - unequally twice-compound (odd-feathered; leaflets very numerous - seven to thirteen on the…
Leaves - compound; )even-feathered, leaflets, ten to twenty-two or more, usually about fourteen), sometimes…
Leaves - compound (odd-feathered; leaflets eleven to thirty-one); alternate; edge of leaflets evenly…
Leaves - compound (odd-feathered; leaflets, nine to fifteen); alternate (often alternate in threes);…
Leaves - compound (odd-feathered; leaflets, thirteen to twenty-one); alternate; edge of leaflets sharp-toothed.…
Leaves - compound (odd-feathered; leaflets, fifteen to seventeen); alternate; edge of leaflets sharp-toothed.…
Leaves - compound (odd-feathered; leaflets, five); alternate; edge of leaflets sharp-toothed. Outline…
Leaves - compound (odd-feathered, leaflets, seven to nine); alternate; edge slightly and rather roundly…
Leaves - compound (odd-feathered; leaflets, five to seven, oftenest five); alternate; edge of leaflets…
Leaves - compound (odd-feathered; leaflet, five to nine, usually seven) ; alternate, edge of leaflets…
Leaves - compound (odd-feathered; leaflets, seven to eleven); alternate; edge of leaflet sharp-toothed.…
Leaves - compound (odd-feathered; leaflets, three, sometimes five, rarely seven); opposite; edge of…
Leaves - compound (odd-feathered; leaflets, seven to nine); opposite; edge of leaflets slightly toothed…
Leaves - compound (odd-feathered; leaflets, seven to nine); edge of leaflets nearly entire or slightly…
Leaves - compound (odd-feathered; leaflets, seven to eleven, usually nine); opposite; edge of leaflet…