Front section of skull through plane of outer border of orbits. Arrows pass through communication between…
"The Card Making Wasp of Cayenne is a consummate artist. From an architectural point of view, the card…
Posterior view of elbow, showing relative position of condyles and olecranon. A, in extension; B, in…
Two purkinje cells from silver preparation of cerebellar cortex; A, side view; B, cell in profile; a,…
Sections of developing skin, showing earliest stages in formation of hair follicles; in D epithelial…
"A greatly magnified view of a perpendicular section of Parmelia aipolia, showing the thecae in the…
Occipital bone and first three cervical vertebrae with ligaments, from in front.
Sternum and ribs with ligaments, from in front. In the right half of the figure the most anterior layer…
Right clavicle and scapula with ligament, from without and somewhat in front.
Right hip joint, from behind. The joint capsule, except for strengthening ligaments, has been removed.
Right hip joint. Posterior half, viewed from in front. The joint surfaces have been somewhat pulled…
View of the posterior surface of the right patella, showing diagrammatically the areas of contact with…
Illustrations depicting a black knot of a plum. "1...represents the general appearance of the black-knot…
"In answer to a communication of mine, Professor C. H. Peck, botanist, of Albany new York, informs me…
"The branch vascular bundles will be distinctly seen, resembling in some respects the arteries and veins…
"Portions of the rotting pulp were placed on a microscopic slide, divided into hundredths and thousandths…
A group of people interacting in front of a house. One man is hiding behind a tree and another is walking…
A glass cylinder is open at the bottom, having a piece of bladder or thin indian-rubber tightly stretched…
A dust storm or sandstorm is a meteorological phenomenon common in arid and semi-arid regions and arises…
Yosemite Valley is a world-famous scenic location in the Sierra Nevada mountains of California. It is…
A machine designed to suppress the dead space which limits the efficiency of ordinary air-pumps.
"To avoid friction and heat, the piston is not in contact with the cylinder in which it works."
"To avoid friction and heat, the piston is not in contact with the cylinder in which it works."
The longitudinal section of the Hydnora africana is a parasitic plant growing in deserts known for giving…
The muscles of the abdomen, showing the semilunar fold of Douglas. Viewed from in front.
Muscles of the thorax and front of the arm, showing some of the boundaries of the axilla.