An ordinary sea wave is rarely more than a few hundred feet long from crest to crest -- no longer than 320 feet in the Atlantic or 1,000 feet in the Pacific.

Their amplitude sometimes is as little as two feet from trough to crest.

Ulyate and Kearton climbed on toward the sound of the barking of the dogs and the sporadic roaring of the lion, till they came, out of breath, to the crest, and peering through the branches of a bush, this is what Ulyate saw: Jones who had apparently ( and actually had ) ridden up the nearly impassable hillside, sitting calmly on his horse within forty feet of a full-grown young lioness, who was crouched on a flat rock and seemed just about to charge him, while the dogs whirled around her.

Athena's Helmet is the central feature on the United States Military Academy crest.

The smooth muscle of the great arteries and the population of cells that form the aorticopulmonary septum that separates the aorta and pulmonary artery is derived from cardiac neural crest.

This contribution of the neural crest to the great artery smooth muscle is unusual as most smooth muscle is derived from mesoderm.

It is the 1924 tour that is credited as being the first in which the team were referred to as " the Lions ", the irony being that it was on this tour that the single lion-rampant crest was replaced with the forerunner of the four-quartered badge with the symbols of the four represented unions, that is still worn today.

Although the butterfly effect may appear to be an esoteric and unlikely behavior, it is exhibited by very simple systems: for example, a ball placed at the crest of a hill may roll into any of several valleys depending on, among other things, slight differences in initial position.

In comparing the skulls of carnivores and herbivores, it can be seen that the shearing force of the temporalis is somewhat more important to carnivores, which have more room on the braincase ( this is not unrelated to carnivoran intelligence ) and commonly develop a sagittal crest ( running from posterior to anterior on the skull ), providing yet additional room for temporalis attachment.

" The swords and stars refer to the former general's career, as does the crest, which is the badge of the 101st Airborne ( which he served as a brigade commander in the mid-1970s ).

The current crest, featuring a ceremonial lion rampant regardant holding a staff, is a modification of the one introduced in the early 1950s.

A " Cowboys " chest crest is directly under the NFL shield.

In the center is a crest containing the Old Avery Oak.

When the source of the waves is moving toward the observer, each successive wave crest is emitted from a position closer to the observer than the previous wave.

They also contribute to the desired effect of converting the ( kinetic energy ) push of the sloped wave face combined with the rider's mass on the sloped wave face ( potential energy ) into redirected energy-lift ( lift ( physics ))-the surfer deflects his surfboard and fins off the water of the wave face ( and / or vice-versa ) to make forward progress across the wave face, or " down the line ," that is, parallel to the wave crest and beach-riding parallel to the crest ( perpendicular to the pull of gravity down the wave's slope ) in this way is known as " trimming.

In English the word " crest " is commonly ( but erroneously ) used to refer to an entire heraldic achievement of armorial bearings.

The technical use of the heraldic term crest refers to just one component of a complete achievement.

For such a component, any given phase of the wave ( for example, the crest ) will appear to travel at the phase velocity.

* Neural crest, a transient component of the ectoderm

The heraldic achievement consists of five separate parts: shield, coronet, crest, supporters and motto.

In most heraldic traditions, a woman does not display a crest, though this tradition is being relaxed in some heraldic jurisdictions, and the stall plate of Lady Marion Fraser in the Thistle Chapel in St Giles, Edinburgh, shows her coat on a lozenge but with helmet, crest, and motto.

Clergy often refrain from displaying a helm or crest in their heraldic achievements.

The coat of arms on an escutcheon forms the central element of the full heraldic achievement which consists of shield, supporters, crest and motto.

A heraldic banner, also called banner of arms, displays the basic coat of arms only: i. e. it contains the design usually displayed on the shield and omits the crest, helmet or coronet, mantling, supporters, motto or any other elements associated with the coat of arms ( for further details of these elements, see heraldry ).

Care must be taken to distinguish true compartments from items upon which supporters are merely resting one or more feet, or, sometimes, mere heraldic badges or pure decoration under the shield, and, conversely, care must also be taken in very unusual cases such as the coat of arms of Belize, in which what may be taken to be a crest, the mahogany tree rising above the shield, is really part of the compartment.

The town's heraldic crest is the Aylesbury duck, which has been bred here since the birth of the Industrial Revolution.

* The upper right ( heraldic: upper left ) part of the crest represents the district section Jägerzeile, the area around today's Praterstraße.

A white ( argent ) wyvern formed the crest of the Borough of Leicester as recorded at the heraldic visitation of Leicestershire in 1619: A wyvern sans legs argent strewed with wounds gules, wings expanded ermine.

The crest badge suitable for a clansman or clanswoman consists of the chief's heraldic crest encircled with a strap and buckle and which contains the chief's heraldic motto or slogan.

Even though any clansmen and clanswomen may purchase crest badges and wear them to show their allegiance to his or her clan, the heraldic crest and motto always belong to the chief alone.

Above the crest or coronet, the knight's or dame's heraldic banner is hung, emblazoned with his or her coat of arms.

The first heraldic provincial symbol was the Great Seal of the province, being the royal crest of the crowned lion upon the imperial crown as was the usual practice for British colonies, but with the letters " BC " added.

Above the crest, the knight's heraldic banner was hung, emblazoned with his coat of arms.

Above the crest or coronet, the stall's occupant's heraldic banner is hung, emblazoned with his or her coat of arms.

These included the helm and crest, spurs, gauntlet, target ( shield of arms ), sword and a literal ' coat of arms ' ( a heraldic surcoat ).

Target-group puffers have also been spawned in aquariums, and follow a similar courting behavior, minus the crest / keel display.

Therefore, display was probably the main function of the crest, and any other functions were secondary.

With these hypotheses ruled out, the best-supported hypothesis for crest function seems to be as a sexual display.

When protecting its eggs it raises its crest, but this is a sign of excitement rather than anger, for it is also elevated during nuptial display.

The Cockatiel is now biologically classified as a genuine member of Cacatuidae on account of sharing all of the Cockatoo family's biological features, namely, the erectile crest, a gallbladder, powder down, suppressed cloudy-layer ( enabling Lories, Lorikeets ( long-tailed Lories ), Parakeets and typical Parrot species ' display of structural colours such as aquas, blues, greens, purples and turquoises ), and facial feathers covering the sides of the beak, all of which are rarely found outside the Cacatuidae family.

They display horizontal yellow stripes or bars on the ventral surface of their tail feathers, yellow spots on the ventral surface of the primary flight feathers of their wings, a gray colored crest and face, and a dull orange patch on each of their cheeks.

The crown of the head has black sides and a narrow black front, and a bright crest, yellow with an orange centre in the male, and entirely yellow in the female ; the crest is erected in display, making the distinctive orange stripe of the male much more conspicuous.

It has a display which involves bowing its head towards another bird and raising the coloured crest.

The male sings during the breeding season, often with its crest raised, and has a display which involves pointing its bill at another bird, showing the crest and strong face pattern.

This differs from the display of the plainer-faced Goldcrest, which bows its head to emphasise the crest.

In his courtship display the male Firecrest raises his crest, points it towards his mate and hovers over her before mating takes place.

The red crest is raised when agitated or in display.

Headgear may or may not display the force crest, some have a metal shield, usually blue, stating " COMMUNITY SUPPORT OFFICER " followed below with the name of the wearers respective force in smaller letters.

They often raise the coloured crest feathers in display, when surprised, or to show interest or excitement.

The Barred Antshrike is typically 16. 5 cm long, and weighs 25 g. The male is barred all over with black and white, and has a white-based black crest that is raised in display.

If, as is commonly illustrated, a skin frill extended from the crest to the neck or back, the proposed visual display would have been even showier.

Note: The contributor of the July 2008 Photograph, a member of the O ' Kelly sept, searched the grounds for tombstones that allegedly display the Enfield or family crest, but did not see any on the Kelly markers located.

It has a pale supercilium and a chestnut and black crest which is raised as part of its display.

All reserve units have the same design ( minuteman ) and all National Guard units display the crest authorized for the state to which assigned.