Zoology: A Systematic Account of the General Structure, Habits, Instincts, and Uses of the Principal Families of the Animal Kingdom, Volume 2Wm. S. Orr, 1848 |
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Página 2
... side ; which are placed immediately behind the head , and which serve as an outlet for the water that has passed through the gills . In general there is only one on each side ; and its anterior edge is moveable , and resembles a flap or ...
... side ; which are placed immediately behind the head , and which serve as an outlet for the water that has passed through the gills . In general there is only one on each side ; and its anterior edge is moveable , and resembles a flap or ...
Página 4
... side is hollowed out to form the orbital cavities , or ; and in front are seen the apertures belonging to the olfactory apparatus , n ; and a kind of large knob , formed by the vomer , and serving to support the upper jaw ( Fig . 247 ...
... side is hollowed out to form the orbital cavities , or ; and in front are seen the apertures belonging to the olfactory apparatus , n ; and a kind of large knob , formed by the vomer , and serving to support the upper jaw ( Fig . 247 ...
Página 5
... side a kind of vertical partition , ( Fig . 247 t , ) which is suspended to the skull , and which separates the orbits and the cheeks from the mouth . It is formed by bones cor- responding with the palatine , pteregoid , and tympanic ...
... side a kind of vertical partition , ( Fig . 247 t , ) which is suspended to the skull , and which separates the orbits and the cheeks from the mouth . It is formed by bones cor- responding with the palatine , pteregoid , and tympanic ...
Página 6
... side with a lateral branch of great length and thickness , which , by its opposite extremity , is sus- pended ( as it were ) to the internal face of the before - mentioned partition . These lateral branches , formed of several bones ...
... side with a lateral branch of great length and thickness , which , by its opposite extremity , is sus- pended ( as it were ) to the internal face of the before - mentioned partition . These lateral branches , formed of several bones ...
Página 7
... side a ring , from the lower part of which arises a long and spinous process , similar to that which is situated on the dorsal side of the vertebræ . — The ribs are some- times entirely absent ; at other times they surround the abdo ...
... side a ring , from the lower part of which arises a long and spinous process , similar to that which is situated on the dorsal side of the vertebræ . — The ribs are some- times entirely absent ; at other times they surround the abdo ...
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Outras edições - Ver tudo
Zoology: Being a Systematic Account of the General Structure ..., Volume 2 William Benjamin Carpenter Visualização integral - 1858 |
Zoology: Being a Systematic Account of the General Structure ..., Volume 2 William Benjamin Carpenter Visualização integral - 1867 |
Zoology: A Systematic Account of the General Structure, Habits ..., Volume 2 William Benjamin Carpenter Visualização integral - 1848 |
Palavras e frases frequentes
abdomen adapted allied amongst animal Annelida antennæ apparatus appear appendages aquatic Arachnida Articulata attached Beetles bivalve body branchial cavity character colour common commonly composed considerable consists covered Crustacea curious Decapods deposited destitute developed devour Diptera distinct distinguished division dorsal dorsal fin eggs elytra exist extremity eyes feed feet female fins Fishes furnished ganglia genus gills habits head horny Hymenoptera inches inclosed inhabitants insects ISOPODA jaws known large number larva larvæ length Lepidoptera live locomotion mandibles manner mantle mastication maxillæ membrane metamorphosis Mollusca Mollusks mouth nearly Order organs orifice Orthoptera ovipositor pairs of legs pectoral fins peculiar perfect insect placed possess posterior prey prolonged pupa remarkable resemblance respiration respiratory Section segments shell side situated skin soft sometimes species Spiders stomach structure sucker surface swimming tail teeth tentacula thorax tion tribe tube usually valves ventral whilst wings young
Passagens conhecidas
Página 507 - The island is five miles in length, and one in breadth, and has a flat surface nearly eighty feet above the sea. On all sides, except the north, it is bounded by perpendicular cliffs about fifty feet high, composed entirely of dead coral, more or less porous, honeycombed at the surface, and hardening into a compact, calcareous substance within, possessing fracture of secondary limestone, and has a species of millepore interspersed through it.
Página 508 - Thus do we see the soft and gelatinous body of a polypus, through the agency of the vital laws, conquering the great mechanical power of the waves of an ocean which neither the art of man nor the inanimate works of nature could successfully resist.
Página 460 - Encrinites as a corn-rick is composed of straws. Man applies it to construct his palace and adorn his sepulchre ; but there are few who know, and fewer still who duly appreciate, the surprising fact, that much of this marble is composed of the skeletons of millions of...
Página 142 - Mantis religiosa, the Praying Mantis, or Soothsayer ; and is termed by the French prie-Dieu. This is regarded by the Turks as an object of superstitious veneration; and many absurd stories are on record, in regard to its habits. The peculiar attitude in question, however, is nothing else than the position in which the prey is most readily seized ; — the front of the thorax being elevated, and the two fore-legs being held up together like a pair of arms, prepared to seize any animal that may fall...
Página 495 - Pecten ma&imits (a shell-fish of the oyster family), of the size of an ordinary saucer. The shell fixed within the stomach was so placed as to divide it completely into two halves, so that the body stretched tensely over it had become thin and flattened like a pancake.
Página 483 - ... hollow which is formed by the cohesive force of the liquid, if care be taken to lay the needle down very gently on the surface. If, while the hydra is floating in this manner, suspended by the extremity of the foot, a drop of water be made to fall upon that part, so as to wet it, this hydrostatic power will be destroyed, and the animal will immediately sink to the bottom.
Página 532 - We scarcely condescend,•" observes Lamarck in reference to this fact, " to examine microscopic shells, from their insignificant size ; but we cease to think them insignificant when we reflect, that it is by means of the smallest objects that Nature everywhere produces her most remarkable and astonishing phenomena. Whatever she may seem to lose in point of volume in the production of living bodies. is amply made up by the number of the individuals, which she multiplies with admirable promptitude...
Página 550 - Polirschiefer, or polishing slate of Bilin in Bohemia, which occupies a surface of great extent, probably the site of an ancient lake, and forms slaty strata of fourteen fe"et in thickness, almost wholly composed of the silicified shields of animalcules.
Página 244 - Their habits are mostly aquatic ; but, in consequence of the manner in which their gills are inclosed, none of them are killed at once by being withdrawn from the water ; and some of them pass the greatest part of their lives in air. They are naturally voracious and carnivorous...
Página 347 - ... and precision than the modern Decapod Dibranchiata. The position of the animal was, most probably, more habitually vertical than that of its recent congeners. Thus placed, the Belemnite, in quest of prey, would rise swiftly or stealthily to infix its claws in the belly of a supernatant fish, and then dart down, and drag its prey to the bottom and devour it.