"Uro-genital organs of female embryo bird; from Owen, after Muller. a, kidneys: b, wolffian bodies;…
"Uro-genital organs of female embryo bird; from Owen, after Muller. a, testis; b, epididymis; c, sperm-duct…
"Spermatozoa of domestic cock, greatly magnified." The spermatozoam or seminal animalcules, or male…
"Spermatozoa of domestic cock, greatly magnified." The spermatozoam or seminal animalcules, or male…
"Female organs of domestic fowl, in activity; from Owen, after Carus. a, b, c, d, mass of ovarian ova,…
"Meroblastic ovum (yelk) of domestic fowl, bat. size, in section; after haeckel. a, the thin yelk-skin,…
"Simorhynchus pusillus. Least Auk. Knob-nosed Auk. Bill small and simple. but stout for its length,…
"Simorhynchus pusillus. Least Auk. Knob-nosed Auk. Bill small and simple. but stout for its length,…
"Synthliborhamphus antiquus. Nipper-nosed Murrelet. Bill somewhat as in Brachyrhamphus, but stouter…
"Synthliborhamphus umizusume. Japanese Murrelet. Temminck's Auk. Bill more elongate and acute than in…
"Uria grylle. Black Guillemots. Bill much shorter than head, about equal to tarsus, straight, rather…
"Uria columba. Pigeon Guillemot. Bill stouter than that of grylle, and more obtuse." Elliot Coues, 1884
"Bill larger than Pigeon Guillemot, 1.5-1.70 along culmen, along gape 2.20, from feathers on side of…
"Bill black; bill along culmen 1.75; gape 2.50; gonys 1.15; depth at base .55; width .30." Elliot Coues,…
"Bill averaging somewhat longer, about 1.90; culmen, commissure, and gonys nearly straight; upper mandible…
"Lomvia arra. Thick-billed Guillemot. Arrie. Bill short, stout, wide, deep; culmen curved throughout;…
""Views of sternum and pectoral arch of the ptarmigan, Lagapus albus, reduced. Lateral view, with the…
"Views of sternum and pectoral arch of the ptarmigan, Lagapus albus, reduced; viewed from below. a,…
"Anthus Ludovicianus. Louisiana Pipit. American Titlark. Brown Lark. Wagtail. Bill blackish, pale at…
"Cotile riparia. Bank Swallow. lustreless mouse-brown; wings and tail fuscous. Below, white, with a…
"Icterus. Orioles. Bill averaging as long as head (more or less); very acute, sometimes decurved." Elliot…
"Zenaidura carolinensis. Carolina Dove. Mourning Dove. Wild Dove. Upper parts, including middle tail-feathers,…
"North American White Pelican. Bill and feet ordinarily yellow; much reddened in the breeding season,…
"In England, as in Germany, architectural activity has assumed various phases in modern times. With…
"Cardinal Direction auxiliary signs carrying the legend NORTH, EAST, SOUTH, or WEST should be used to…
"Cardinal Direction auxiliary signs carrying the legend NORTH, EAST, SOUTH, or WEST should be used to…
"Cardinal Direction auxiliary signs carrying the legend NORTH, EAST, SOUTH, or WEST should be used to…
"Cardinal Direction auxiliary signs carrying the legend NORTH, EAST, SOUTH, or WEST should be used to…
Robert Fulton, an American engineer and inventor, was the first to establish steam navigation. In 1800…
This is a human powered vehicle with four wheels. The most common type of a velocipede today is the…
A couch is a generic term in North America and Australia, for an item of furniture designed to seat…
Any box used to bury the dead in is a coffin. Use of the word casket in this sense began as a euphemism…
A slow cooker consists of a lidded round or oval cooking pot made of glazed ceramic or porcelain, surrounded…
The present invention relates to a stamp dispensing and envelope handling device. Permits a user to…
The valve closet has a valve or flap at the exit of the bowl with a water-tight seal to retain a pool…
Cork material is an impermeable, buoyant material, a prime-subset of generic cork tissue that is harvested…
"Polygonaceae, a natural order of Dicotyledons, containing 30 genera with about 700 species, chiefly…
"Polygonaceae is mainly a north temperate order. A few genera are tropical which has 125 species restricted…
Caps, or Closures, are used to seal the openings of bottles of many types. They can be small circular…
A tool which is used to apply composite strips such as caulk, Caulking is a process used to seal and…
Large willow tree of Eurasia and North Africa having greyish canescent leaves and grey bark
Common elder of central and eastern North America bearing purple-black berries; fruit used in wines…
A perennial, herbaceous flowering plant native to eastern North America from Nova Scotia, Canada southward…
This flowering plant belongs to the ruscaceae, which are common in North America.
This plant is native to several parts of North America, including areas in south Florida.
This flowering plant belongs to the honeysuckle family, commonly seen in the North Americas.