Outlines of Zoology and Comparative AnatomyFannin, 1874 - Всего страниц: 150 |
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Стр. 19
... molecules precede the formation of cells . Spontaneous or equivocal generation ( Heterogeny ) is the name given to the theory which has been advanced to account for the appearance of microscopic organisms termed " bacteria Introduction .
... molecules precede the formation of cells . Spontaneous or equivocal generation ( Heterogeny ) is the name given to the theory which has been advanced to account for the appearance of microscopic organisms termed " bacteria Introduction .
Стр. 20
... appearance of these organisms by the possibility of the existence of minute germs in the atmosphere , or in the fluid of these organic infusions which have hitherto escaped the observation of the most experienced Microscopists . The ...
... appearance of these organisms by the possibility of the existence of minute germs in the atmosphere , or in the fluid of these organic infusions which have hitherto escaped the observation of the most experienced Microscopists . The ...
Стр. 30
... appearance of bone varies in the different classes of vertebrate animals . DIGESTION . The great majority of Mammals possess two sets of teeth , deciduous and permanent , hence they have been termed by Professor Owen , Diphyodonts ( dís ...
... appearance of bone varies in the different classes of vertebrate animals . DIGESTION . The great majority of Mammals possess two sets of teeth , deciduous and permanent , hence they have been termed by Professor Owen , Diphyodonts ( dís ...
Стр. 43
... appearance . The small polygonal spaces into which it is divided form the food into small round balls , which are regurgitated into the animal's mouth , and are there re - masticated : this is what is termed rumina- tion . The food ...
... appearance . The small polygonal spaces into which it is divided form the food into small round balls , which are regurgitated into the animal's mouth , and are there re - masticated : this is what is termed rumina- tion . The food ...
Стр. 72
... appearance , as they possess no limbs . The scapu- lar and pelvic arches are , however , always present in a rudimentary condition ; the eyes are provided with movable eyelids , having a longitudinal slit . When frightened , they can ...
... appearance , as they possess no limbs . The scapu- lar and pelvic arches are , however , always present in a rudimentary condition ; the eyes are provided with movable eyelids , having a longitudinal slit . When frightened , they can ...
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abdomen absent alimentary canal Amphibia anal animals anus aperture aquatic auricle birds bladder blood body bones bony bony pike branchiæ branchial calcareous called canines Carnivora caudal cavity cells cervical vertebræ Cetacea chamber clavicle claws cloaca composed comprise contains coracoid covered developed Digitigrade distinct divided dorsal vertebræ eîdos eldos elongated endoskeleton external extremely feathers feet female fins fishes five toes four front ganglia ganglion gills gland hind limbs horny humerus incisors insects integument intestine larvæ legs lower jaw lungs Mammalia Mammals mandibles maxillæ membrane mollusca mouth muscles muscular nervous system nostrils organs pair pectoral peculiar pelvic arch pharynx placed plates possess present Professor Owen Quadrumana rays respiration ribs rudimentary Ruminants sacs scapula shell single Sirenia situated skin skull soft spine sternum stomach sub-kingdom tail teeth termed terminates transverse processes tubes upper jaw usually valve ventral ventricle vertebral column Vertebrata wings
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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...
Стр. 149 - Cooper's Dictionary of Practical Surgery and Encyclopaedia of Surgical Science. New Edition, brought down to the present time. By SA LANE, Surgeon to St.
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.
Стр. 3 - Anatomy of the Arteries of the Human Body, Descriptive and Surgical, with the Descriptive Anatomy of the Heart.
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.