"The Galatea Butterfly, P. Galatea, A Euoprean species, called The Half-Mourning Butterfly,…
Illustration of equal circles to show that an inscribed angle is measured by half the arc intercepted…
"The contours of a half sphere are a series of circles, far apart near the center (top) and near together…
"This will be understood [here] where the ray of light A B, proceeding from the eye, falls perpendicularly…
"Parted per pale, gules and argent. PARTY PER PALE. This signifies a shield parted by a perpendicular…
A circle subdivided into one quarter, three twelfths, and one half.
A circle subdivided into one quarter, two eighths, and one half.
Illustration of 2 right rectangular prisms. The bases are congruent, but the height of the smaller prism…
Illustration of 2 right rectangular prisms. The bases are congruent, but the height of the smaller prism…
Illustration of a the bottom half of a regular dodecahedron. A regular dodecahedron is a polyhedron…