"Mergus serrator. Red-breasted Merganser. Nostrils near base of bill. Frontal feathers extending obtusely…
"North American White Pelican. Bill several times as long as the head, comparatively slender, but strong,…
"Phalacrocorax bicristatus. Red-Faced Cormorant. Frontal feathers not reaching base of the culmen, the…
"Phalacrocorax dilophus. Double-crested Cormorant. Tail of 12 feathers. Gular sac convex behind. No…
"Tachypetes aquilus. Frigate. Man-of-War Bird. brownish-black, glossed with green of purplish, duller…
"Larus heermanni. White-headed Gull. Bill shorter than head or tarsus, rather slender, moderately compressed,…
"Chroicocephalus atricilla. Laughing Gull. Black-headed Gull. Bill longer than middle toe and claw,…
"Sterna dougalli. Roseate Tern. Paradise Tern. Bill about as long as head or foot, straight, slender,…
"Sterna (T.) elegans. Elegant Tern. Princely Tern. Bill bright red, salmon-colored toward tip. Feet…
"Sterna aleutica. Aleutian Tern. Bill of ordinary shape, as in hirundo, macrura, etc., entirely black.…
"Fulmarus. Fulmar. Adult: White; mantle pale pearly-blue, restricted to back and wings, or extending…
"Diomedea brachyura. Short-tailed Albatross. Bill 5.00 or 6.00 inches long, with long, with moderately…
"Phoibetria fuliginosa. Sooty Albatross. Plumage ordinarily uniform sooty-brown; quills and tail blackish…
"Priocella tenuirostris. Slender-billed Fulmar. Adult: Plumage white, with clear pearly-blue mantle,…
"Side view of a woodpecker's skull, showing the long slender basihyal (bh), bearing slight elements…
This floral hat is an early 20th century design. It has a bouquet of flowers at the top with a ribbon…
This feather hat is an early 20th century design. It has a feather that wraps around the top of the…
This is an early 20th century dress. It is a long dress that drapes in the back and long pants.
This is a 1864 fashion silhouette. It shows a women outlined in black, wearing a long dress with a bustle…
This is a 1874 fashion silhouette. It shows a women outlined in black,wearing a long dress with a bustle…
This is a 1882 fashion silhouette. It shows a women outlined in black,wearing a long dress with a bustle…
"Cymochorea melaena. Black Petrel. Form of the last very nearly; bill more robust; tarsus a little longer…
"Puffinus opisthomelas. Black-vented Shearwater. Dark color of upper parts extending farther on sides…
"Colymbus torquatus. Common Loon. Great Northern Diver. Adult: Bill black, the tip and cutting edges…
"Colymbus torquatus. Common Loon. Great Northern Diver. Adult: Bill black, the tip and cutting edges…
At the Back of the North Wind is a wood engraving that was created by English painter Albert Hughes.…
"Dromaeognathous skull of a tinamou (Tinamus robustus); copies by Shufeldt from Huxley. Letters as before;…
"Fratercula arctica. Common Puffin. Sea Parrot. Crown of head grayish-black, sharply defined against…
"Fratercula corniculata Horned Masking Puffin. Crown of head grayish-black, narrowing to a point at…
"Lunda cirrata. Tufted Puffin. Crests about 4 inches long, straw-yellow, some of the posterior feathers…
"Ceratorhina monocerata. Unicorn Auk. Horn-bill Auk. Adults in summer: Bill orange-yellow. Culmen and…
"Ceratorhina monocerata. Unicorn Auk. Horn-bill Auk. In winter: Bill orange-yellow. Culmen and base…
"Ceratorhina monocerata. Unicorn Auk. Horn-bill Auk. Young: Bill like that of adults in winter, lacking…
"Simorhynchus pygmaeus. Whiskered Auk. Red-nosed Auk. Bill very small and weak, much compressed. No…
"Simorhynchus pusillus. Least Auk. Knob-nosed Auk. Bill small and simple, but stout for its length,…
"Brachyrhamphus craverii. Craveri's Murrelet. Entire upper parts unvararied cinereous, slightly darker…
"Lomvia troile. Common Guillemot, or Murre. Adult in summer: Head and neck all around rich dark maroon…
"Lomvia troile. Common Guillemot, or Murre. Adult in summer: Head and neck all around rich dark maroon…
"Muscles of a bird (accipiter nisus), after Carus, Tab. Anat. Comp., 1828, pl. 4. a, pharynx; b, trachea;…
This is the Plan of Principal Floor of the Houses of Parliament in Westminster, England. Other wise…
"Uria grylle. Black Guillemots. Bill much shorter than head, about equal to tarsus, straight, rather…
"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,…
William Tell was known as an expert marksman with the crossbow. At the time, Habsburg emperors were…
An English T-square for drawing straight lines. The narrowing of the bottom blade makes the T-square…
A regular fixed head T-square for drawing straight lines. The blade must be perfectly straight in order…
A long fixed head T-square for drawing straight lines. The head shape of the T-square allows for drawing…
An adjustable T-square to create straight lines at different angles with a ruler attached to the head.