Of these two seals, only the Baltic ringed seal suffers when there is not an adequate ice in the Baltic Sea, as it feeds its young only on ice.

Older classification schemes divided the order into two suborders: Fissipedia ( which included the families of primarily land Carnivora ) and Pinnipedia ( which included the true seals, eared seals, and walrus ).

More recently, complete mitochondrial sequencing indicates the two Antarctic groups that eat seals and fish should be recognized as distinct species, as should the North Pacific transients, leaving the others as subspecies pending additional data.

Going to trade his hunt from the year, including foxes, seals and polar bears, Nanook comes in contact with the white man and there is a funny interaction as the two cultures meet.

A rotodynamic pump with one single shaft requiring two mechanical seals.

Four mechanical seals are required to seal the two shafts.

The Space Shuttle Challenger disaster was caused by rubber O-rings that were being used well below their glass transition temperature on an unusually cold Florida morning, and thus could not flex adequately to form proper seals between sections of the two solid-fuel rocket boosters.

The finds included the unlooted tomb of a queen thought to be Queen Puabi — the name is known from a cylinder seal found in the tomb, although there were two other different and unnamed seals found in the tomb.

Adult males in the Pacific can weigh more than and, among pinnipeds, are exceeded in size only by the two species of elephant seals.

* the Garde des sceaux (' keeper of the seals ', still the formal title of the French Republic's Minister of Justice ) places behind the shield, two silver and gilded maces in saltire, and the achievement is surmounted by a mortier ( magistrate's hat )

Under this categorization, the fur seals comprised two genera: Callorhinus in the North Pacific with a single representative, the Northern Fur Seal ( C. ursinus ) and eight species in the southern hemisphere under the genus Arctocephalus, while the sea lions comprise five species under five genera.

After the assassination attempt, and at the marquise de Pompadour's instigation, the king dismissed two ministers: the comte d ' Argenson, secretary of state for war, and Machault d ' Arnouville, keeper of the seals ( justice minister ) and before that controller-general of finances ; and he called Choiseul to the government.

On seals of the king and his mother Alix in 1234, a castle with one or two towers is depicted surrounded with the inscription “ CIVITAS NICOSIE ”.

Marine mammals can be subdivided into four recognised groups ; cetaceans ( whales, dolphins and porpoises ), pinnipeds ( seals, sea lions and walruses ), sirenians ( manatees and dugongs ), and fissipeds, which are the group of carnivores with separate digits ( the polar bear, and two species of otter ).

Within the Order Carnivora are the pinnipeds ( sealions, walruses and seals ), the polar bear ( Ursus maritimus ), and two otters ( Endydra lutris and Lontra feline.

alt = Drawings of skeletons of two seals

Among pinnipeds, it is inferior in size only to the walrus and the two elephant seals.

The intended use was for pendant seals, which are discs of wax attached to the document by a cord or ribbon, and thus have two sides.

The importance of the Abbey as a medieval place of pilgrimage is reflected in the medieval finds of two papal seals, that would have secured documents from the Pope.

Payne asserts: " With the exception of digraphic seals, the two scripts were never used together.

In 1788, the Russian-American Company enslaved and relocated Aleuts from Atka and Unalaska to the Pribilofs to hunt fur seals ; their descendants live on the two islands today.

The seals are estimated to have inhabited Lake Baikal for some two million years.

Baikal seals usually give birth to one pup, but they are one of only two species of true seals with the ability to give birth to twins.

* Minerva is featured on the seals of many schools and colleges: on that of Union College in Schenectady, NY, the motto is ( translated from the French ) " Under the laws of Minerva, we are all brothers.

Yuan Shang rewarded the Lü brothers by granting them official seals of generals.

It was guaranteed by the seals of Jogaila's brothers Skirgaila, Kaributas, Lengvenis and their cousin Vytautas.

Like many others, he had to work hard, long hours in a struggling family business which, though it was allied to art of a kind -- the design and production of engraved seals -- bore no relation to the painting of pictures.

By far the most exquisite and obscure artefacts unearthed to date are the small, square steatite ( soapstone ) seals engraved with human or animal motifs.

Clement of Alexandria, in his Paedagogus ( The Pedagogue ) 3. 59. 2-3. 60, writes that Christians may wear a seal ring for the sealing of documents, and he specifies permissible depictions: " And let our seals be either a dove, or a fish, or a ship scudding before the wind, or a musical lyre, which Polycrates used, or a ship's anchor, which Seleucus got engraved as a device ; and if there be one fishing, he will remember the apostle, and the children drawn out of the water.

In ancient Mesopotamia seals were engraved cylinders which could be rolled from one side to another to create an impression on clay, sometimes used as a label on a consignment of trade goods.

This depiction is consistent with the remains of these birds found at other Israelite Iron Age sites, when the rooster was used as a fighting bird ; they are also pictured on other seals from the period as a symbol of ferocity, such as on the one engraved on a late-seventh-century BC red jasper seal inscribed " Jehoahaz, son of the king ", which likely it belonged to Jehoahaz of Judah " while he was still a prince during his father's life.

The ED I period is distinguished from the ED II period by the narrow cylinder seals of the ED I period and the broader wider ED II seals engraved with banquet scenes or animal-contest scenes.

Some of the earliest graphics and drawings known to the modern world, from almost 6, 000 years ago, are that of engraved stone tablets and ceramic cylinder seals, marking the beginning of the historic periods and the keeping of records for accounting and inventory purposes.

While a protégé of Cardinal Domenico Grimani Clovio engraved medals and seals for him, as well as the Grimani Commentary Ms., an important early illuminated book ( now Sir John Soane's Museum, London ).

Sunk relief technique is not to be confused with " counter-relief " or intaglio as seen on engraved gem seals — where an image is fully modelled in a " negative " manner.

Depending on the region, Joss paper may be decorated with seals, stamps, pieces of contrasting paper, engraved designs or other motifs.

The full text of a diploma was engraved on the outer side of the so-called tabula 1, while the outer side of tabula 2 displayed the names of 7 witnesses, their seals covered and protected by metal strips ( such seals have rarely survived, being of organic material ).

The Anichini family were leading carvers of engraved gems for seals, and medals in Renaissance Italy.

Wyon also engraved ( 1813 ) seals for the Newcastle Antiquarian Society, the Chester Canal Company, and ( c. 1815 ) the Limerick chamber of commerce.

The Morgan has one of the world's greatest collections of ancient Near Eastern cylinder seals, small stone cylinders finely engraved with images for transfer to clay by rolling.

In the Archaeological Museum of Argostoli one can admire the major findings of the tholos tomb like golden bull horns, a golden double axe and engraved seals of precious stone.