Comparisons of structure in animals. The hand and the armReligious Tract Society, 1799 - 192 páginas |
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Página 28
... , composed each of three joints , are of unequal length and strength , and are capable of being folded down more or less independ- ently of each other , for no one finger indeed 28 COMPARISONS OF STRUCTURE IN ANIMALS .
... , composed each of three joints , are of unequal length and strength , and are capable of being folded down more or less independ- ently of each other , for no one finger indeed 28 COMPARISONS OF STRUCTURE IN ANIMALS .
Página 32
... joint , the power of flexure , and of pronation and supination enjoyed by the fore - arm , and the amazing freedom of the shoulder - joint , which permits the arms to be whirled about , are all essential to the efficacy of the hand ...
... joint , the power of flexure , and of pronation and supination enjoyed by the fore - arm , and the amazing freedom of the shoulder - joint , which permits the arms to be whirled about , are all essential to the efficacy of the hand ...
Página 40
... joints of the bones being adjusted upon a principle of unyielding strength . These fingers are furnished with enormous curved claws , or hooks , alone projecting from the un- divided skin , which enshrouds together all the rest , both ...
... joints of the bones being adjusted upon a principle of unyielding strength . These fingers are furnished with enormous curved claws , or hooks , alone projecting from the un- divided skin , which enshrouds together all the rest , both ...
Página 44
... joint of the toes and its characters indicate , must have been enormous ; and , as is proved by the volume of the haunch - bone , the strength and thickness of the short tail , and the form of the bones of the hinder limbs , that the ...
... joint of the toes and its characters indicate , must have been enormous ; and , as is proved by the volume of the haunch - bone , the strength and thickness of the short tail , and the form of the bones of the hinder limbs , that the ...
Página 48
... joint ! How efficient as a weapon of laceration ! Ob- serve the pads or cushions on its under surface and the power of protruding and retracting the claws . Heavy as the lion is , yet he treads with a silent foot - fall ; his foot is ...
... joint ! How efficient as a weapon of laceration ! Ob- serve the pads or cushions on its under surface and the power of protruding and retracting the claws . Heavy as the lion is , yet he treads with a silent foot - fall ; his foot is ...
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Comparisons of Structure in Animals. the Hand and the Arm Comparisons No hay ninguna vista previa disponible - 2016 |
Comparisons of Structure in Animals. the Hand and the Arm Comparisons No hay ninguna vista previa disponible - 2013 |
Términos y frases comunes
adapted animals antennæ aquatic aquatic respiration arboreal articulated attached beak birds blade-bone body bones burrowing camel canal cartilage cartilaginous cervical vertebræ clavicles claws creation creatures crustacea Cuvier dart developed dorsal vertebræ elastic elbow-joint elephant elevated elongated endowed extremely feet fingers fishes flexibility flexure flight fore-arm frog furnished gelatine giraffe graspers grasping ground habits hand head hippocampus hoofs humerus insects instincts joint lancelet ligament limbs lumbar vertebræ mammalia membrane ment mode modifications motion mouth movements muscles muscular mylodon neck nerves oblique observed organ of touch osseous paddles palm paws pectoral fins peculiar portion possess posterior prehensile prehension prey proboscis quadrupeds reptiles ribs seize sense of touch shoulder side skeleton skin slender sloth snake species spinal column spinal cord spine spinous processes structure sub-kingdom suckers surface tail tion toes tongue tortoise trees tribe trunk ventral fins vertebral column whale whole wings wisdom Yarrell
Pasajes populares
Página 125 - But ask now the beasts, and they shall teach thee; And the fowls of the air, and they shall tell thee: Or speak to the earth, and it shall teach thee; And the fishes of the sea shall declare unto thee.
Página 19 - O Lord, how manifold are thy works ! in wisdom hast thou made them all: the earth is full of thy riches. So is this great and wide sea, wherein are things creeping innumerable, both small and great beasts.
Página 58 - And they sat down to eat bread: and they lifted up their eyes and looked, and, behold, a company of Ishmeelites came from Gilead with their camels bearing spicery and balm and myrrh, going to carry it down to Egypt.
Página 86 - But it must not be supposed they have the power of elevating themselves in the air, after having left their native element ; for, on watching them,' I have often seen them fall much below the elevation at which they first rose from the water, but never in any one instance could I observe them raise themselves from the height at which they first sprang ; for I regard the elevation they take to depend on the power of the first spring or leap they make on leaving their native element.
Página 5 - Lo, these are parts of his ways: but how little a portion is heard of him? but the thunder of his power who can understand?
Página 20 - He that planted the ear, shall he not hear? he that formed the eye, shall he not see?
Página 46 - The tree being thus partly undermined and firmly grappled with, the muscles of the trunk, the pelvis and hind limbs, animated by the nervous influence of the unusually large spinal cord, would combine their forces with those of the anterior members in the efforts at prostration. And now let us picture to ourselves the massive frame of the Megatherium, convulsed with the mighty wrestling, every...
Página 56 - In the horse, as in most quadrupeds, the speed results from the strength of the loins and hinder extremities, for it is the muscles there which propel the animal. But were the anterior extremities joined to the trunk firmly, and by bone, they could not withstand the shock from the descent of the whole weight thrown forwards; even though they were as powerful as the posterior extremities, they would suffer fracture or dislocation. We cannot but admire, therefore, the provision in all quadrupeds whose...
Página 179 - When both approach each other, they often twist their tails together, and struggle to separate, or attach themselves to the weeds. This is done by the under part of their cheeks or chin, which is also used for raising the body when a new spot is wanted for the tail to entwine afresh. The eyes move independently of each other, as in the chameleon : this, with the brilliant, changeable iridescence about the head, and its blue bands, forcibly remind the observer of that animal.
Página 179 - Hippocampus brevirostris, then healthy and active, which had been living twelve days in a glass vessel ; their actions equally novel and amusing. An appearance of search for a resting place induced me, says Mr. Lukis, to consult their wishes by placing seaweed and straws in the vessel ; the desired effect was attained, and has afforded me much to reflect upon in their habits. They now exhibit many of their peculiarities, and few subjects of the deep have displayed in prison more sport or more intelligence.