Principles of Zoölogy: Touching the Structure, Development, Distribution, and Natural Arrangement of the Races of Animals, Living and Extinct ... Pt. I. Comparative Physiology. For the Use of Schools and Colleges, Deel 1Gould and Lincoln, 1870 - 250 pagina's |
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Pagina 28
... various departments of Natural History show , that only a mere outline of a domain so vast could be fully sketched in an elementary work , and that none but those who make it their special study can be expected to survey its individual ...
... various departments of Natural History show , that only a mere outline of a domain so vast could be fully sketched in an elementary work , and that none but those who make it their special study can be expected to survey its individual ...
Pagina 31
... various animals , for example , frogs , which respire by lungs in the adult state , have only gills when young . It is thence evident that the respiratory organs cannot be taken as a satisfactory basis of our fundamental classification ...
... various animals , for example , frogs , which respire by lungs in the adult state , have only gills when young . It is thence evident that the respiratory organs cannot be taken as a satisfactory basis of our fundamental classification ...
Pagina 36
... various sources . 34. Finally , organized bodies are limited in their duration . Animals and plants are constantly losing some of their parts by decomposition during life , which at length cease to be supplied , and they die , after ...
... various sources . 34. Finally , organized bodies are limited in their duration . Animals and plants are constantly losing some of their parts by decomposition during life , which at length cease to be supplied , and they die , after ...
Pagina 38
... various thickness , between all parts of the body , and frequently accompanied by clusters of fat cells . The fibrous and the serous membranes are mere modifications of this tissue . 12 The cartilaginous tissue is composed of nucleated ...
... various thickness , between all parts of the body , and frequently accompanied by clusters of fat cells . The fibrous and the serous membranes are mere modifications of this tissue . 12 The cartilaginous tissue is composed of nucleated ...
Pagina 40
... various tissues , the change of form and structure , proceed in such a manner as to give rise to several cavities , variously combined among themselves , and each containing , at the end of these transformations , peculiar organs , or ...
... various tissues , the change of form and structure , proceed in such a manner as to give rise to several cavities , variously combined among themselves , and each containing , at the end of these transformations , peculiar organs , or ...
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Veelvoorkomende woorden en zinsdelen
allantois Ammonites Animal Kingdom appear aquatic arteries Articulata Articulates auricles become belong birds blood body bones brain branches called canal carboniferous cartilaginous cavity cells Cercaria chyle classes cloth composed containing crabs Cretaceous crustaceans crystalline lens cuttle-fish digestive distinct Distoma distribution Echinoderms eggs embryo epoch fauna fishes fluid formation fossils frog furnished Gasteropods genera germ germinative vesicle gills groups head heart important Infusoria insects intestine jaws jelly-fishes layer legs less limbs living lower lungs magnified mals mammals membrane metamorphoses mode mollusks monkey motion muscles namely natural nerves oxygen Paleozoic peculiar period plants Polyps portion Radiata regions reproduction reptiles resemblance respiration respiratory organs Rhizodonts rocks sea-urchins SECTION shell showing Silurian similar skin species star-fishes stomach structure surface teeth temperate tentacles terrestrial animals Tertiary tion tissues trachea tropical tubes types vegetable ventricle Vertebrates vesicle vessels White-fish whole worms yolk young Zoology