In this tribe are included five or six families of aquatic Heteroptera which spend the greater part of their lives submerged, diving and swimming through the water.
Their lucrative pearl fisheries have been practically monopolized by the Japanese, who use proper diving apparatus.
In diving or subaquatic flight the feet strike upwards and backwards, the wings downwards and backwards (b of fig.
Hamilton made Imbros his headquarters, and troops also were sometimes collected there owing to its vicinity both to Helles and to Anzac. Within the Dardanelles the battleship " Goliath " had been torpedoed by the Turkish destroyer " Muavenet-i-Milliye " on May 13; on the other hand British submarines were performing invaluable service, diving under the mine-fields, causing havoc amongst enemy craft in the channel itself and higher up, and threatening Ottoman communications with the peninsula.
The inhabitants, who number one to two hundred, speak Sokotri and Arabic and are chiefly engaged in diving for pearl shell on the Bacchus Bank N.E.
The peculiarities of water and air as supporting media are well illustrated by a reference to swimming, diving and flying birds.
These changes in the direction of the long axis of the bird in swimming, diving and flying, and in the direction of the stroke of the wings in sub-aquatic and aerial flight, are due to the fact that the bird is heavier than the air and lighter than the water.
- The King Penguin in the positions assumed by a bird in (a) swimming, (b) diving, and (c) flying.
However, the thought of swan diving off a cliff the next time he called her a damn blood monkey was getting more tempting with each day!
A blow sent him smashing into a wall, and he morphed instantly, diving at the demons chasing his brothers as they retreated through the burnt doorway of Kris.s chambers to search for weapons.
"No more cliff diving," Brady said as she stepped into the night.
The excessive heat of the upper regions compels him to descend, and he next visits the bottom of the sea in a kind of diving-bell.
They are flattened oval in form, circling with gliding motion over the surface film of the water, and occasionally diving, when they carry down with them a bubble of air.
It lives on the shores of lakes and rivers, swimming and diving with facility, feeding on the roots, stems and leaves of water-plants, or on fruits and vegetables which grow near the margin of the streams it inhabits.
By the patient study of the behaviour of precocious young birds, such as chicks, pheasants, ducklings and moorhens, it can be readily ascertained that such modes of activity as running, swimming, diving, preening the down, scratching the ground, pecking at small objects, with the characteristic attitudes expressive of fear and anger, are so far instinctive as to be definite on their first occurrence - they do not require to be learnt.
§ 6) on which a diving animal had placed some mud, received her.
The miners work in the bottom in the same manner as divers in an ordinary diving-bell.
Conolophus subcristatus and Amblyrhynchus cristatus inhabit the Galapagos; the former feeds upon cactus and leaves, the latter is semi-marine, diving for the algae which grow below tide-marks.
The modern submarine periscope consists essentially of a long tube, the top of which is just above the water when diving, while the lower end passes through a stuffing box on the shell of the boat into the control-room.
African antelope, scientifically known as Cephalophus grimmi; the popular name alluding to its habit of diving into and threading its way through thick bush.
The platypus is aquatic in its habits, passing most of its time in the water or close to the margin of lakes and streams, swimming and diving with the greatest ease, and forming for the purpose of sleeping and breeding deep burrows in the banks, which generally have two orifices, one just above the water level, concealed among long grass and leaves, and the other below the surface.
The food of the white bear consists chiefly of seals and fish, in pursuit of which it shows great power of swimming and diving, and a considerable degree of sagacity; but its food also includes the carcases of whales, birds and their eggs, and grass and berries when these can be had.