Library of Universal Knowledge, Volumen9American book exchange, 1881 |
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Página 416
... cetacea , they are situated on the thorax , as in man ; in most of the carnivorous animals they are situated on the abdomen as well as on the thorax ; while in the mare , cow , sheep , etc. , they are placed still further back , near ...
... cetacea , they are situated on the thorax , as in man ; in most of the carnivorous animals they are situated on the abdomen as well as on the thorax ; while in the mare , cow , sheep , etc. , they are placed still further back , near ...
Página 417
... cetacea , however , we have an almost entire absence of hair ; one of its uses - that of keeping the heat within the body - being here provided for by the thickening of the skin and the deposition of the blubber beneath it . In the ...
... cetacea , however , we have an almost entire absence of hair ; one of its uses - that of keeping the heat within the body - being here provided for by the thickening of the skin and the deposition of the blubber beneath it . In the ...
Página 418
... cetacea , which have no posterior limbs to be supported by the pelvis , that organ is extremely rudimen tary or even entirely absent . As a general rule , the pelvis of mammals is never so broad as in the human subject , and its lateral ...
... cetacea , which have no posterior limbs to be supported by the pelvis , that organ is extremely rudimen tary or even entirely absent . As a general rule , the pelvis of mammals is never so broad as in the human subject , and its lateral ...
Página 419
... CETACEA , Herbivora , Ordinaria , Dugong . Whale . UNGULATA , MUTILATA , This classification is given in the present article because , although imperfect in many respects ( for example , in placing the sloth above the horse , the bat ...
... CETACEA , Herbivora , Ordinaria , Dugong . Whale . UNGULATA , MUTILATA , This classification is given in the present article because , although imperfect in many respects ( for example , in placing the sloth above the horse , the bat ...
Página 424
... cetacea or manatida ( q.v. ) , readily distinguished by the rounded tail - fin , and further characterized by the presence of small flat nails at the edge of the swimming paws , and by the structure of the grinders , which have square ...
... cetacea or manatida ( q.v. ) , readily distinguished by the rounded tail - fin , and further characterized by the presence of small flat nails at the edge of the swimming paws , and by the structure of the grinders , which have square ...
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