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- pine cone
- Pike
Pike - Pigeon tick
Pigeon tick ( Argas reflexus ) seen from the back and from the ventral side, enlarged. The top is rusty yellow, the bottom is yellowish-white (as is the edge of the body and legs), unless the food channel is filled with a colored substance. - Pied-billed Grebe, Breeding Plumage
Other Names.—Dabchick; Hell-Diver; Dipper; Dipper-Duck (erroneous). Description.—Sexes similar. Adults in summer: Glossy, dark brown above; throat black; neck, breast, and sides grayish, washed with brownish and indistinctly mottled with blackish; lower breast and belly glossy white; black band across bill. Immature birds and adults in winter: Similar, but without black on throat and bill. Length: 13½ inches. Range in Pennsylvania.—Rare as a summer resident, chiefly because 12there are so few lakes and marshes suited to its nesting; fairly common as a migrant from April 1 to May 15 and from August 25 to October 30. Nest.—Flat, composed of decaying vegetation, floating among water-weeds or anchored by plants which are attached to the bottom. Eggs: 4 to 7, dull white, usually so heavily stained as to be brownish in appearance. - Pied-billed Grebe
Pied-billed Grebe It makes little difference to this bird whether you call him “Water-witch, Hell-diver, Dabchick or Pied-billed Grebe,” for these are only a few of the names by which he is known. His only concern is finding a pond, lake or other water, well supplied with crayfish, minnows or insects on which he feeds. Leeches are a favorite morsel. The short, thick bill of this grebe is distinctive, even in winter when the black encircling band from which it gets its name, is missing. General appearance is brown, being brownish-black above, lighter brown and white below. On water the short tail usually is carried high enough to show the white under-tail coverts. - Phronima colletti, Male. From a Specimen taken in Deep Water near the Canary Islands
- Pharyngeal syringe or salivary pump of Fulgora maculata
Accessory to the salivary apparatus there is on the ventral side of the head, underneath the pharynx, a peculiar organ which the Germans have called the "Wanzenspritze," or syringe. The accompanying figure of the structure in Fulgora maculata shows its relation to the ducts of the salivary glands and to the beak. It is made up of a dilatation forming the body of the pump, in which there is a chitinous piston. Attached to the piston is a strong retractor muscle. The function of the salivary pump is to suck up the saliva from the salivary ducts and to force it out through the beak. - Pete
- Persian Lion from the frieze at Susa (Perrot & chipiez)
- Persian Kitten 'Lambkin'
Persian Kitten 'Lambkin' - Performing Elephant
Performing Elephant - Peregrine Falcon, and young ones
As you doubtless know, however, some young birds, like young rooks and sparrows, thrushes and skylarks, when they leave the egg, are perfectly bare, blind, and helpless, and have to be fed and brooded by their mothers for a long time. Other young birds, like young owls, falcons, and hawks, also leave the egg blind and helpless, but their bodies are covered with long woolly down. - Pentapterygium serpens (flowers deep crimson)
In the wet season they push out new shoots, from which grow rapidly wands three or four feet long, clothed with box-like leaves, and afterward with numerous pendulous flowers. These are elegant in shape and richly colored. They are urn-shaped, with five ribs running the whole length of the corolla, and their color is bright crimson with deeper colored V-shaped veins, as shown in the illustration of the flowers of almost natural size. They remain fresh upon the plant for several weeks. The beautiful appearance of a well grown specimen when in flower may be seen from the accompanying sketch of the specimen at Kew, which was at its best in July, and remained in bloom until the middle of September. - Pentapterygium serpens
This is one of five species of Himalayan plants which, until recently, were included in the genus vaccinium. The new name for them is ugly enough to make one wish that they were vacciniums still. Pentapterygium serpens is the most beautiful of the lot, and, so far as I know, this and P. rugosum are the only species in cultivation in England. The former was collected in the Himalayas about ten years ago by Captain Elwes, who forwarded it to Kew, where it grows and flowers freely under the same treatment as suits Cape heaths. - Pelican
- Pekari
Pekari - Pegasse
- Pediculus vestimenti 2
- Pediculus vestimenti
- Pediculus showing the blind sac (b) containing the mouth parts (a) beneath the alimentary canal (p)
- Pediculoides ventricosus, female
- Pearly Natilus
- Pearl lizard
Pearl lizard - Pear cut lengthwise
- Pear
- Peacock
- Peach cut in half lengthwise
- Peach
- Passage into trachea and esophagus; Pharynx
- Parts of Birds
31. Falcon. 42. Bittern. 32. Bird of paradise. 43. Snipe. 33. Crowned pigeon. 44. Curlew. 34. Pheasant. 45. Woodcock. 35. Cock. 46. Ruff. 36. Red Grous. 47. Swan. 37. Black Grous. 48. Eider duck. 38. Ptarmigan. 49. Puffin. 39. Bustard. 50. Penguin. 40. Ostrich. 51. Gannet. 41. Heron. - Partridges
Partridges - Paradise fish
Thus, certain fishes related to the wonderful Anabas—the perch that climbs trees!—make nests of bubbles, in which the eggs are placed! The Gorami and the beautiful little 'paradise-fish', for example, built floating nurseries of this kind, the bubble-raft being made by the male. In the case of the paradise-fish these bubbles are blown so that the enclosed eggs are raised above the level of the water, where they remain till hatched! This raft, although it has been seen many times by travellers, is so frail that it cannot be preserved, and has never yet been drawn by an artist, so that we can only show the fish that makes it. - Panther snake
Panther snake - Pama
Pama - Palæolithic Men Attacking Cave Bear
- Painted Stork
- Painted Dog
Painted dog ( Lycaon pictus ) A hyena-like predator, the "painted dog“( Lycaon pictus ) in groups; he attacks the flocks and wreaks havoc among them. The steppe landscapes are the real home of this sociable, up-and-out and murderous creature that never hunts alone. It gets its name from the large, dark spots on the light skins, where it is easy to distinguish. - Pachypodium succulentum
Pachypodium succulentum - Paca
The Capybara is widespread throughout South America; from the Orinoko to the La Plata, from the Atlantic ocean to the eastern reaches of the Andes, it inhabits low, forest-rich, swampy regions, especially rivers, multi-banks and marshes. She prefers to stop at large currents; it never leaves, unless to follow the course of small streams and watercourses flowing into this flow. In some places it is extremely frequent; in inhabited places, as light can be understood, it is rarer than in the wilderness. - Oxen bearing the Yoke. (Lam. iii. 27)
Oxen - Owl catching a rabbit
- Owl 2
- Owl
- Owl
- Owl
- Owl
Owl - Outlines of Manilla Buffalo
- Otiobius (Ornithodoros) megnini, male. (a) dorsal, (b) ventral aspect
- Otiobius (Ornithodoros) megnini, head of nymph
- Ostrich
Ostrich "What time she lifteth up herself on high, she scorneth the horse and his rider."—Job xxxix. 18. - Osprey and Grakles
Osprey landing in its nest with food for its young - Orothamnus Zeyheri
Orothamnus Zeyheri - Ornithodoros moubata
(a) Anterior part of venter (b) second stage nymph (c) capitulum (d) dorsal aspect of female (e) ventral aspect of female (f) ventral aspect of nymph (g) capitulum of nymph Ornithodoros moubata, the carrier of African relapsing fever, or "tick-fever," is widely distributed in tropical Africa, and occurs in great numbers in the huts of natives, in the dust, cracks and crevices of the dirt floors, or the walls. It feeds voraciously on man as well as upon birds and mammals. Like others of the Argasidæ, it resembles the bed-bug in its habit of feeding primarily at night. Dutton and Todd observed that the larval stage is undergone in the egg and that the first free stage is that of the octopod nymph. - Organ of Corti
The spiral lamina, on the left of the drawing, gives attachment to the membrane of Corti, which stretches to the opposite wall. Below the membrane is a bloodvessel which runs its whole length beneath the tunnel of Corti. The tunnel is formed by pillars—the inner on the left, the outer on the right—which meet above it. On the left of the inner pillar is a hair-cell; to the left of this a nerve-cell with two nuclei. To the right of the outer pillar is a space; to the right of this four hair-cells alternating with four supporting cells, which hold up the reticulated membrane through apertures in which the tufts of hairs project. Three nerve-fibres are seen in the spiral lamina; they cross the tunnel to ramify between the rows of outer hair-cells. The lamina tectoria rests upon the tufts of hairs. - Oral and digestive system of Deinacrida megacephala
Oral and digestive system of Deinacrida megacephala 1, mandibles 2, maxillæ 3, labrum 4, labium 5, maxillary palpi 6, labial palpi 8, œsophagus 9, crop 10, gizzard 11, pancreas 12, stomach 13, biliary vessels 14, ilium 15, colon 16, anus. - Opostomias micripnus
In Opostomias micripnus, a dark black fish living at a depth of over 2,000 fathoms, there are two rows of ocellar organs running down the sides of the body from the head to the tail. In the living animal they are said to shine with a reddish lustre. In addition to these, the conspicuous organs, there are `groups` of fifty, a hundred, or even more very much smaller organs situated on the sides and back of the fish, each of which is lenticular in shape and consists of a number of short polygonal tubes containing a granular substance with rounded bases resting on the subjacent tissue. The whole organ is covered 79by a simple continuation of the cuticle of the body-wall. The granular substance contained in the tubes is most probably the seat of luminosity. - Opossum
- One of the Abdominal Somites of the Lobster, with its Appendages, separated and viewed from in Front
- On the Watch
Bird watching a butterfly - Olives
Olives