The Virginia Mockingbird is endowed with a perfection of voice far exceeding any other bird in creation,…
The Turkey vulture is found over the whole United States, but is more numerous in the southern region…
Immense herds of the bison occupy the vast plains. A single herd is said sometimes to consist of ten…
The Rocky Mountain Goat inhabits the most lofty peaks of the Rocky Mountains, (Smiley, 1839).
Fort Pulaski, on Cockspur Island at the entrance to the Savannah River, Georgia, was built by the United…
A series of semicircular arches which cut one another in a wall, supported by timbers with their ends…
A series of semicircular arches which cut one another in a wall, supported by timbers with their ends…
"The hereford breed are of a medium or dark red color, with white faces and sometimes white on the throat,…
Woven of grass, the nests of the genus Euplectes have an opening which faces down towards the water.…
"This striking picture, by a celebrated French artist, has excited marked attention ever since it was…
"A diminutive through osculum from os, meaning "a little face," was the term applied to faces or heads…
"At the command load each front-rank man or skirmisher faces half right and carries the right foot to…
It is composed of bellows, with two faces or ends, generally polygonal in shape which are placed the…
"Crystal faces are described according to their relations to the crystallographic axes. A series of…
"Crystal faces are described according to their relations to the crystallographic axes. A series of…
"The tetrahexahedron is a form composed of twenty-four isoceles triangular faces, each of which intersects…
"A cube with its edges beveled by the faces of a tetrahexahedron." — Ford, 1912
"The trapezohedron is a form composed of twenty-four trapezium-shaped faces, each of which intersects…
"The trisoctahedron is a form composed of twenty-four isosceles triangular faces, each of which intersects…
"A combination of a trisoctahedron and an octahedron. It will be noted that the faces of the trisoctahedron…
"The hexoctahedron is a form composed of forty-eight triangular faces, each of which cuts differently…
"This form consists of twelve pentagonal-shaped faces, each of which intersects one crystallographic…
"The diploid is a rare form found only in this class. It is composed of twenty-four faces which correspond…
"A combination of cube and pyritohedron, in which it will be noted that the faces of the pyritohedron…
"The tetrahedron is a form composed of four equilateral triangular faces, each of which intersects all…
"The tetrahedron is a form composed of four equilateral triangular faces, each of which intersects all…
"If a positive and negative tetrahedron occured together with equal development, the resulting crystal…
"The faces of the tristetrahedron correspond to one-half the faces of a trapezohedron." — Ford,…
"The faces of the deltoid dodecahedron correspond to one-half those of the trisoctahedron." —…
"The faces of the hexakistetrahedron correspond to one-half the faces of the hexoctahedron." —…
"A combination of cube and tetrahedron. It will be noted that the tetrahedron faces truncate the alternate…
"A combination of cube and tetrahedron. It will be noted that the tetrahedron faces truncate the alternate…
"The prism of the first order consists of four rectangular vertical faces, each of which intersects…
"The prism of the second order consists of four rectangular vertical faces, each of which intersects…
"The dietetragonal prism is a form consisting of eight rectangular vertical faces, each of which intersects…
"The pyramid of the first order is a form consisting of eight isoceles triangular faces, each of which…
"The pyramid of the second order is a form composed of eight isoceles triangular faces, each of which…
"The ditetragonal pyramid is a form composed of sixteen isoceles trianglular faces, each of which intersects…
"It consists of four isoceles triangular faces which intersect all three of the crystallographic axes,…
"It consists of four isoceles triangular faces which intersect all three of the crystallographic axes,…
"It consists of four isoceles triangular faces which intersect all three of the crystallographic axes,…
"A crystal of scapolite, upon which the faces of the third-order pyramid are shown." — Ford, 1912
"This is a form consisting of six rectangular vertical faces each of which intersects two of the horizontal…
"This is a form consisting of six rectangular vertical faces, each of which intersects two of the horizontal…
"The dihexagonal prism has twelve rectangular vertical faces, each of which intersects all three of…
"This form consists of twelve isoceles triangular faces, each of which intersects two of the horizontal…
"This is a form composed of twelve isoceles triangular faces, each of which intersects two of the horizontal…