Once a common migratory visitor to Great Britain, numbers declined sharply during the 20th century.

Once on-line, the missing child flyer can be e-mailed and faxed by any visitor to the site to help distribute information about the missing child.

Once, a White House visitor commented on Longworth's frequent interruptions to the Oval Office, often because of her political advice.

Once a common summer visitor to Ireland, corncrakes have suffered drastic population declines over the last few decades and are threatened with global extinction.

Once inside, a visitor may ascend an internal staircase to an open walkway at the top.

Once outside the main house, the visitor comes to the outside area, where there is a small square with a fountain in the middle before approaching a small café area and the visitor shop.

Once a visitor clicked on the iReview tab, they could choose from one of 15 categories of websites for specific reviews on subjects that may be of interest.

Once home Sara's getting ready for bed when she sees she has a visitor, the Magdalena aka Patience.

Once logged in, a user can perform functions such as uploading and downloading software and data, reading news and bulletins, and exchanging messages with other users, either through email, public message boards, and sometimes via direct chatting.

Once this complex is formed, it is identified via either a " tag " attached directly to the antibody, or added in an additional technical step.

Once the ray either encounters a light source, or more probably once a set limiting number of bounces has been evaluated, then the surface illumination at that final point is evaluated using techniques described above, and the changes along the way through the various bounces evaluated to estimate a value observed at the point of view.

Once all the best evidence is assessed, treatment is categorized as " likely to be beneficial ", " likely to be harmful ", or " evidence did not support either benefit or harm ".

Once they were cut, they were carried by boat either up or down the Nile River to the pyramid.

Once the punch has been evaded, the boxer " weaves " back to an upright position, emerging on either the outside or inside of the opponent's still-extended arm.

Once irradiated the sample is left for a specific decay period then placed into a detector, which will measure the nuclear decay according to either the emitted particles, or more commonly the emitted gamma rays.

Once completed, the card is then mailed ( or, in more modern times, emailed ) to the game master, where it is either processed, or held until the next turn processing window begins.

Once activated, p53 will induce a cell cycle arrest to allow either repair and survival of the cell or apoptosis to discard the damaged cell.

Once proposed to the Curiate Assembly, the people of Rome could either accept or reject him.

Once legislation proposed by the king passed the Comitia Curiata, the Senate could either veto it or accept it as law.

Once the results from data mining ( potential prospect / customer and channel / offer ) are determined, this " sophisticated application " can either automatically send an e-mail or a regular mail.

Once these sequences have been amplified, they are resolved either through gel electrophoresis or capillary electrophoresis, which will allow the analyst to determine how many repeats of the microsatellites sequence in question there are.

Once targets are identified, candidate drugs can be selected, either from drugs already known to have appropriate effects, or by actually designing the candidate at the molecular level with a computer-aided design program.

Once care moves beyond the services required by the Canada Health Act — for which universal comprehensive coverage applies — there is inconsistency from province to province in the extent of publicly funded coverage, particularly for such items as outpatient drug coverage and rehabilitation, as well as vision care, mental health, and long-term care, with a substantial portion of such services being paid for privately, either through private insurance, or out-of-pocket.

Once the worm is executed, either automatically by the buggy HTML engine or manually by a user, it searches for addresses to send itself to.

Once germinated, the seedling grows either within the fruit ( e. g. Aegialitis, Avicennia and Aegiceras ), or out through the fruit ( e. g. Rhizophora, Ceriops, Bruguiera and Nypa ) to form a propagule ( a ready-to-go seedling ) which can produce its own food via photosynthesis.

Once adopted, the international conventions are enforced by the individual nations which are signatories, either through their local Coast Guards, or through their courts.

Once again, City Council did not accept the proposal without their own amendments, specifically the Fowler Amendment, which read that " all persons employed by the City should express their willingness to execute an agreement, undertaking that they will not either collectively or individually at any time go on strike but will resort to arbitration as a means of settlement of all grievances and differences which may not be capable of amicable settlement.

Once back in military company outside Troy, they employed either Machaon the surgeon ( who may have been killed by Eurypylus of Mysia, son of Telephus, depending on the account ) or more likely Podalirius the physician, both sons of the immortal physician Asclepius, to heal his wound permanently.

Once a determination of eligibility is met, either by litter application or registry research, the dog can be registered as purebred by the AKC.

Once dissolution proceedings commence, either party may seek interim or pendente lite support during the course of the litigation.

Once inside a lucid dream, the dreamer either shifts the subject matter of the dream in an OBE direction or banishes the dream imagery completely, in doing so gaining access to the underlying state of sleep paralysis ideal for visualization of separation from the body.

Once a pupil reaches ninth grade, students from Lyme either attend Thetford Academy in Thetford, Vermont ( across the Connecticut River ), Hanover High School in Hanover, New Hampshire ( about 10 miles south of Lyme ), Hartford High School in Hartford, Vermont, Lebanon High School in Lebanon, New Hampshire, St. Johnsbury Academy in St. Johnsbury, Vermont or various private high schools.

Once the player has collected enough Shine Sprites, a new level is available at Delfino Plaza, either by the acquisition of a new ability or a plot-related event.

Once he was eliminated, she turned support towards Liam Fox.

Once called " The Black Dog " by his fellow officers for his relentless nature, he left the ISSP in disgust due to corruption and red tape, and turned to bounty hunting as a way to pursue justice.

As Joachim Pissarro points out, “ Once such a die-hard Impressionist as Pissarro had turned his back on Impressionism, it was apparent that Impressionism had no chance of surviving.

Once Niger was neutralised however, Severus turned on his ally in Britannia — though it is likely that Albinus saw he would be the next target and was already preparing for war.

Once the peat had been removed, their discovery turned out to be a decomposing, incomplete human head with one eye and some hair intact.

Once a player turned pro he or she could not compete in the major ( amateur ) tournaments.

Once a secluded and heavily guarded Politbureau residential area, it has turned into a district where the young and fashionable fill the clubs and cafes.

Once Stalin was in power, he turned his former support for Lenin's New Economic Policy into opposition.

Leone was approached as a potential director of The Godfather, but turned down the offer in order to work on his prohibition era crime epic Once Upon a Time in America.

Once each transport token is used by a detective, it is turned over to Mr. X, effectively giving him unlimited transport.

Once the cards are dealt, the remaining cards are placed face down in a stack in the middle of the table, and the top card from the stack is turned over and placed next to it.

Once the series was established, the creators quickly dropped the idea and instead turned the show into a surreal sitcom, with humor derived from intentionally incoherent plots and absurd visual gags.

Once acquired by the Georgia Department of Corrections, its focus then turned to using the prison to house youthful offenders from ages 18 – 25.

Once the cards are dealt and the top card in the pile is turned over, the upturned card's suit is offered as trump to the players in clockwise order beginning with the player to the left of the dealer.

( Once ramp metering is turned on, there is no further need for the yellow lamp.

Once Confederates established themselves atop Munson's Hill they built a crude fort there, and from these commanding heights turned Bailey's Crossroads into a " killing field ".

Once more, the Raja renews his offer to Lucilla, but is again turned down.

Once, she had a double date with her first boyfriend who turned out to be a player, and invited Tsukushi and Tsukasa in order to test how good Tsukasa matched with Tsukushi during a commoner's date.

A few years later, however, Hart turned to Kaufman, his collaborator on the 1930 hit, Once in a Lifetime.

Once they were far enough away, they turned and attacked the Roman cavalry but were routed in the end.

Once their authority established, they also turned against this school of thought.

Once the allies had penetrated deep into Iraqi territory, they turned eastward, launching a flank attack against the Republican Guard.

Once the rebellion on Funen was suppressed, he turned his attention the uprising in Jutland.

Once the fire alarm had been turned off, Williams redid the broadcast for the mountain and pacific time zones, and other select stations.

* Tony Hoang ( Born 1982 ), Reformed gangster turned preacher featured in Once Upon a Time in Cabramatta ( 2012 ) and Gangs of Oz ( 2009 )