This figure shows the mode of respiration in fishes. The gills are seen bent over in the form of a feather.…
"Young bearded griffin (Gypaetus barbatus). Showing the feather-tracts or pterylae, for instance those…
"A., Filoplume. B., very young feather within its sheath (sh.); c., the core of dermis; b., the barbs.…
"Types of feathers. D., Down. 2, Developing feather in sheath (sh.). 3, Covert of heron showing aftershaft…
"Parts of a feather. I., Four barbs (B.) bearing anterior barbules (A.BB.) and posterior barbules (P.BB.);…
"Diagram showing the tracts where the principal growth of feathers occurs (Upupa epops). The dotted…
"Pinnate.--Term applied to a leaf when cut into many parallel segments, like the rose." -Newman, 1850
"Pterylosis of Columba livia. A, ventral; B, dorsal. al. pt, alar pteryla or wing-tract; c. pt, cephalic…
"Casuarius (Cassowary). Feather, showing after-shaft and disconnected barbs." -Parker, 1900
Of the Composite family (Compositae), the leaf of the rough-stemmed golden-rod (Solidago rugosa).
"The feathers are horny productions, consisting of a hollow tube or barrel and a stem rising from it."
"The feathers are horny productions, consisting of a hollow tube or barrel and a stem rising from it."
"The feathers are horny productions, consisting of a hollow tube or barrel and a stem rising from it.…
"7. locusta of Stipa pennata" (Feather Grass); "8. rachis, bracteae, and florets of Cynosurus cristatus"…
Crayfish, crawfish, or crawdads are freshwater crustaceans resembling small lobsters, to which they…
"a, scroll-wheel, intermeshing with the pinion b, which, sliding by a feather on the shaft, c, imparts…
An illustration of a simple five armed crinoid with a detailed view of the tegmen of five orals. Crinoids,…
Crayfish, crawfish, or crawdads are freshwater crustaceans resembling small lobsters, to which they…
"Encrinite: head and piece of stem. Any fossil crinoid; a stone-lily: a term especially applied to the…
"Encrinite: Any fossil crinoid; a stone-lily: a term especially applied to the ordinary stalked form…
A modern crinoid showing steam with root or hold-fast attachment, and a crown composed of the calyx…
"Two pieces of metal placed in a hole in a stone which is to be split a wedge-shaped key or plug being…
"Files. a, cotter-file when large, and verge- or pivot-file when small; b, square file (parallel or…
"Filoplume. In ornithology, a thread-feather; a thread-like or hair-like feather, with a very slender…
"Archaeornithes is at present represented by but one member, the first undoubted fossil Bird, made known…
Crayfish, crawfish, or crawdads are freshwater crustaceans resembling small lobsters, to which they…
Crayfish, crawfish, or crawdads are freshwater crustaceans resembling small lobsters, to which they…
"Fig. 19 - A partly pennaceous, partly plumulaceous feather, from Argus pheasant; after Nitzsch. ad,…
"Fig. - 20 - Two barbs, a, a, of a vane, bearing anterior, b, b, and posterior, c, barbules; enlarged;…
"Fig. 21. -A single barbule, baring barbicels and hooklets; magnified; after Nitzsch. ...barbicels (another…
"The arrangement shown in fig. 22, where a, a, a, a, are four barbs in transverse section, viewed from…
"Fig. 23 - A feather from the tail of a kingbird, Tyrannus carolinensis, almost entirely pennaceous;…
"Fig. 24. - Pterylosis of Cyoselus apus, drawn by Coues after Nitzsch; right hand upper, left hand lower,…
"Robin: Upper parts slate-color, with a shade of olive. Head black, the eyelids and a spot before the…
This lady is wearing a late 19th century winter dress. She is also wearing a hat that includes a feather…
Color flag of Swaziland. Three horizontal bands of blue (top), red (triple width), and blue; the red…
Black and white outline flag of Swaziland. Three horizontal bands of blue (top), red (triple width),…
"Grayish-blue, bluer on the crown, hoary on the rump, the forehead black, continuous with a black superciliary…
"Upper parts, central tail-feathers, and much edging of the wings, clear ashy-blue; whole crown, nape,…
Geirrod the giant spies a bird on the chimney of his castle. It is really Loki wearing Freya's eagle…
"Sky-Lark. Upper parts grayish-brown, the feathers with darker centers; under parts whitish, tinged…
"Painted Fly-catching Warbler. Setophaga picta. Painted Redstart. Lustrous black; middle of breast and…
"Hirundo horreorum. Barn Swallow. Tail deeply fornicate, nearly or about as long as the wings; lateral…
"Lanius borealis. Great Northern Shrike. Butcher-bird. Great Grey Shrike. Above, clear bluish-ash, blanching…