Outlines of Zoology and Comparative AnatomyFannin, 1874 - Всего страниц: 150 |
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Стр. 21
... blood ( i . e . , red blood ) . . This division corresponds to the vertebrata of modern writers . 2. Animals that were exsanguious or had a colourless fluid instead of blood . This division comprised the invertebrata of modern writers ...
... blood ( i . e . , red blood ) . . This division corresponds to the vertebrata of modern writers . 2. Animals that were exsanguious or had a colourless fluid instead of blood . This division comprised the invertebrata of modern writers ...
Стр. 25
... blood is red and corpusculated : nervous system is much better developed than in the highest of the Invertebrata : reproduction is always sexual , the sexes being in different individuals : Most Vertebrates are Oviparous . Some The ...
... blood is red and corpusculated : nervous system is much better developed than in the highest of the Invertebrata : reproduction is always sexual , the sexes being in different individuals : Most Vertebrates are Oviparous . Some The ...
Стр. 27
... blood ; and θερμόν , warm ) Warm - blooded Vertebrata . Hæmatocrya ( aîμua , blood ; and κρυός , cold ) Cold - blooded Vertebrata . ( Owen . ) CHAPTER II . MAMMALIA : GENERAL CHARACTERS . MAMMALIA are 99 99 99 99.
... blood ; and θερμόν , warm ) Warm - blooded Vertebrata . Hæmatocrya ( aîμua , blood ; and κρυός , cold ) Cold - blooded Vertebrata . ( Owen . ) CHAPTER II . MAMMALIA : GENERAL CHARACTERS . MAMMALIA are 99 99 99 99.
Стр. 32
... blood . The Kidneys are situated in the lumbar region , and are principally engaged in eliminating from the blood nitrogen , in the form of urea . RESPIRATION . - All Mammals breathe by means of lungs , which are divided into lobes ...
... blood . The Kidneys are situated in the lumbar region , and are principally engaged in eliminating from the blood nitrogen , in the form of urea . RESPIRATION . - All Mammals breathe by means of lungs , which are divided into lobes ...
Стр. 45
... blood requires fresh oxygen , the animal rises towards the surface of the water , shuts its mouth , and commences to expire the impure air ; the expired column of air is sur- rounded with a cylinder of water drawn up with it by fric ...
... blood requires fresh oxygen , the animal rises towards the surface of the water , shuts its mouth , and commences to expire the impure air ; the expired column of air is sur- rounded with a cylinder of water drawn up with it by fric ...
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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...
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.
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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.
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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.