This pupa, or chrysalis, is fastened to a little silken pad by the tail, but is also sustained by a…
Section lengthwise of flax seed cut half away, bringing contained embryo into view.
Embryo of pea, i.e. a pea with the coats removed; the short and thick caulicle presented to view.
A painting by Johann Overbeck of the two saints kneeling in front of Jesus Christ.
Inside view of a separated scale or open carpel of a Pitch Pine cone with a seed in place.
Magnified view of some of a simple fresh water Alga, the Tetraspora lubrica, each sphere of which may…
Magnified view of a portion of a transverse slice of stem of Calla Lily. The great spaces are tubular…
Magnified view of surface of a bit of young Maple wood from which the bark has been torn away, showing…
A Tree-Fern, Dicksonia arborescens, with a young one near its base. In front a common herbaceous Fern…
Otiocerus coquebertii, a small insect of a somewhat elongated form and having a small projection in…
A most singularly-formed insect; the front part of its head being much prolonged, and projecting upward…
It consists of a sheet-iron furnace, having the form of a half cylinder, tapered at the end's, in which…
This view of Florence shows the Duomo (cathedral) on the right and Giotto's Campanile (tower) on the…
Sweet Amarillis, by a spring's soft and soul murmuring's, Slept; and thus sleeping thither flew a robin-red-breast,…
Lake George, also known as Queen of American Lakes, is a long narrow lake at the southeast…
Section through the Head and Neck on the Median Line. 1. Medulla Oblongata 2. Pons 3. Right lobe of…
A cylinder with a triple threaded screw in a water tight case that revolves ater to the top for the…
This sculpture by the great artist, Donatello, is of a man dressed in armor holding a shield in front…
A pistil, that is, a scale of the cone, of a Larch, at the time of flowering; inside view, showing its…
One of the scales or carpels of the American Arbor-Vitae, the inside exposed to view, showing a pair…
A detailed view of the scansorial claw of the hog-louse of the Hermatopinus urius species.
A wooden case or box in which the compass on board a ship is kept to protect it from injury. A light…