Larynx
The larynx viewed from its pharyngeal opening. The back wall of the pharynx has been divided and its…
Orange Free State Een Shilling Revenue Stamp, 1882
Orange Free State Revenue Stamp (1 shilling) from 1882
Hans the Innocent 9
The cow knocks down the dungeon wall with her horns to free Hans. This knocks his hat off but he quickly…
E. Communis Cell
"Free cell formation of spores in the ascus of Erysiphe communis. A, ascus with single nucleus; C, cytoplasm;…
Dicotyledon Leaf
A: "Camera-lucida drawing of a bleached leaf of a Dicotyledon, showing the course of the vascular bundles,…
Streamlet
"Streamlet (b) entering a small lake (a), and depositing a fan of sediment (c)." -Geikie, 1893
Streamlet
"Streamlet (b) entering a small lake (a), and depositing a fan of sediment (c)." -Geikie, 1893
Arrow Wind Vane
"The horizontal direction of the wind is usually observed by means of an instrument called the arrow…
Coral Stages
"Life history of a coral, Monoxenia darwinii. A, B, Ovum. C, Division into two. D, four-cell stage.…
Vorticella
"Vorticella. 1. Structure. N., Macronucleus; n., micronucleus; c.v., contractile vacuole; m., mouth;…
Coccidium
"Life history of Coccidium. 1. Sporozoite; 2. Sporozoite entering a cell and becoming a trophozoite;…
O. Lobularis
"Diagrammatic representation of development of Oscarella lobularis. Bl., Free-swimming blastula with…
Liver Fluke Stages
"Life history of liver fluke. 1. Developing embryo in egg-case; 2. free-swimming ciliated embryo; 3.…
Salpa Africana
"Diagram of Salpa africana. o.a., Oral aperture; d.t., dorsal tubercle; te., tentacle; g., ganglion;…
Tortoise Skeleton
"Internal view of tortoise skeleton. H., humerus; SC., scapula running dorsally; PC., precoracoid; C.,…
Bird Limbs
"Fore-limb and hind-limb compared. H., Humerus; R., radius; U., ulna; r., radiale; u., ulnare; C., distal…
Eagle Hind-Limb
"Bones of hind-limb of eagle. f., Femur; t.t., tibio-tarsus; fb., fibula; a., ankle-joint; m.t., tarso-metatarsus;…
Mature Hydroid Planula
"C, more mature condition, in which the planula has become fixed: f, foot or attached end; o, oral or…
Vorticella
"Vorticella. A, B, living specimens in different positions; C, optical section; D1, D2, diagrams illustrating…
Laomedea
"Stages in the development of Laomedea; A-F stages in segmentation; G, the planula enclosed in the maternal…
Medical Leech
"Head of Hirudo medicinalis, showing the three jaws (k); b, one of the jaws isolated, with the finely…
Ascidian Stages
"Diagram of the metamorphosis of the free, tailed larva into the fixed Ascidian. A, stage of free-swimming…
Nitrogen Cycles and Litter Disposal
"Schematic of nitrogen cycling associated with litter disposal on broiler farms." -Hatzell, 1995
Torture of a Free Mason
The torture of a free mason. Caption below illustration: "They next set my back against a thick board,…
Plan view of a Prostyle Temple
"Prostyle, in architecture, applied to a portico in which the columns stand out quite free from the…
Skeleton of a Haddock
The skeleton of a haddock. In some species such as the haddock, there is a modified form of the coracoid…
Mucous Membrane from the Jejunum
The mucous membrane from the jejunum. Labels: 1, Villi (folds of lining mucous membrane) in miniature.…
A Portion of the Mucous Membrane from the Small Intestine
Portion of the mucous membrane from the small intestine, magnified, showing the villi on its free surface,…
Epithelium of the Rabbit's Cornea
The vertical section of the stratified epithelium of the cornea of a rabbit. Labels: a, Anterior epithelium…
Effect of Tannin on Red Blood Cells
When a 2 percent fresh solution of tannic acid is applied to frog's blood it causes the appearance of…
Stethometer
The stethometer consists of a frame formed of two parallel steel bars joined by a third at one end.…
Mucous Gland from Tongue
Section of a mucous gland from the tongue. Labels: A, opening of the duct on the free surface; C, basement…