Outlines of Zoology and Comparative AnatomyFannin, 1874 - Всего страниц: 150 |
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Стр. 21
... principal classifications that have been , from time to time , proposed . I. 1. Animals possessed of blood ( i . e . , red blood ) . . This division corresponds to the vertebrata of modern writers . 2. Animals that were exsanguious or ...
... principal classifications that have been , from time to time , proposed . I. 1. Animals possessed of blood ( i . e . , red blood ) . . This division corresponds to the vertebrata of modern writers . 2. Animals that were exsanguious or ...
Стр. 33
... Various classifications of the Mammalia have been pro- posed . I have arranged in a tabulated form the three principal classifications now most generally adopted . Sub - classes . A. Monodelphia ( uóvos single ; Mammalia . 33.
... Various classifications of the Mammalia have been pro- posed . I have arranged in a tabulated form the three principal classifications now most generally adopted . Sub - classes . A. Monodelphia ( uóvos single ; Mammalia . 33.
Стр. 53
... principal lobes ; it receives its venous blood , from which the bile is elaborated , from the renal and sacral veins , in addition to the gastric , splenic , and intestinal , which form the vena porta of Mammals . Two distinct sets of ...
... principal lobes ; it receives its venous blood , from which the bile is elaborated , from the renal and sacral veins , in addition to the gastric , splenic , and intestinal , which form the vena porta of Mammals . Two distinct sets of ...
Стр. 55
... principal difference between the heart of birds and Mammals is found in the right ventricle , where a single thick triangular valve represents the tricuspid valve of Mammals ; two superior vena cava and one inferior open into the right ...
... principal difference between the heart of birds and Mammals is found in the right ventricle , where a single thick triangular valve represents the tricuspid valve of Mammals ; two superior vena cava and one inferior open into the right ...
Стр. 105
... principal food of the whale ; they subsist near the surface of the sea , at a distance from land , and occur in great numbers . They have two wing - like appen- dages attached to the sides of the head , which are believed to be formed ...
... principal food of the whale ; they subsist near the surface of the sea , at a distance from land , and occur in great numbers . They have two wing - like appen- dages attached to the sides of the head , which are believed to be formed ...
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abdominal absent alimentary canal Amphibia animals aperture aquatic auricle Bimana birds bladder blood body bones bony branchiæ branchial calcareous called canines Carnivora caudal cavity cells cervical vertebræ Cetacea characters clavicle claws cloaca composed comprise contains coracoid covered dental formula Describe Digitigrade distinct divided dorsal vertebræ eldos external extremely feathers feet fins fishes five toes fore front furnished gills gland hind limbs homologous horny humerus incisors integument intestine larvæ legs lower jaw lumbar lungs Mammalia Mammals Marsupialia membrane molars mollusca Monotremata mouth muscles muscular nervous system nostrils order of Mammals organs pair peculiar pelvic arch pharynx placed Plantigrade plates possess posterior present Professor Owen Quadrumana reptiles Reptilia respiration ribs rudimentary Ruminants sacs scapula scapular arch shell single Sirenia situated skin skull soft spine sternum stomach sub-kingdom sub-order tail teeth termed terminates tooth transverse processes tubes Ungulata upper jaw ventricle vertebral column Vertebrata whales wing
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Стр. 17 - I believe that animals have descended from at most only four or five progenitors, and plants from an equal or lesser number. Analogy would lead me one step further, namely, to the belief that all animals and plants have descended from some one prototype. But analogy may be a deceitful guide. Nevertheless all living things have much in common, in their chemical composition, their germinal vesicles, their cellular structure, and their laws of growth and reproduction. We see this even in so trifling...
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Стр. 18 - Therefore I should infer from analogy that probably all the organic beings which have ever lived on this earth have descended from some one primordial form into which life was first breathed by the Creator.
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Стр. 123 - The sponge represents a kind of subaqueous city, where the people are arranged about the streets and roads in such a manner that each can easily appropriate his food from the water as it passes along.
Стр. 17 - Analogy would lead me one step farther, namely, to the belief that all animals and plants are descended from some one prototype. But analogy may be a deceitful guide. Nevertheless all living things have much in common, in their chemical composition, their cellular structure, their laws of growth, and their liability to injurious influences.
Стр. 4 - The Practice of Medical Electricity; Showing the most Approved Apparatus, their methods of Use, and rules for the treatment of Nervous Diseases, more especially Paralysis and Neuralgia.
Стр. 61 - In the hind limb of most birds there is a singular extensor muscle, which arises from the pubis, ends in a tendon which passes to the outer side of the knee-joint, and terminates in the leg by uniting with the flexor digitorum perforatus. The result of this arrangement is, that the toes are flexed whenever the leg is bent upon the thigh, and, consequently, the roosting bird is held fast upon his perch by the weight of his own body.