Principles of Zoölogy : Touching the Structure, Development, Distribution, and Natural Arrangement of the Races of Animals, Living and Extinct with Numerous Illustrations: Part I, Comparative Physiology, for the Use of Schools and CollegesGould and Lincoln, 1859 - 250 pagina's |
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Pagina 23
... . b . Common polyps , like the sea - anemone and coral . polyp , ( Actinoids , ) fig . 48 . In addition to these , there are numberless kinds of micro scopic animalcules , commonly united under the name of infusory INTRODUCTION . 23.
... . b . Common polyps , like the sea - anemone and coral . polyp , ( Actinoids , ) fig . 48 . In addition to these , there are numberless kinds of micro scopic animalcules , commonly united under the name of infusory INTRODUCTION . 23.
Pagina 24
... united under the name of infusory animals , ( Infusoria , ) from their being found specially abundant in water infused with vegetable matter . These minute beings do not , however , constitute a natural group in the Animal Kingdom ...
... united under the name of infusory animals , ( Infusoria , ) from their being found specially abundant in water infused with vegetable matter . These minute beings do not , however , constitute a natural group in the Animal Kingdom ...
Pagina 77
... as the SKELETON . 161. The skeleton is composed of a series of separate bones , called vertebræ , united to each other by ligaments . a Each vertebra has a solid centre with four branches. 7 * APPARATUS OF MOTION . 77.
... as the SKELETON . 161. The skeleton is composed of a series of separate bones , called vertebræ , united to each other by ligaments . a Each vertebra has a solid centre with four branches. 7 * APPARATUS OF MOTION . 77.
Pagina 80
... united by muscles , and shutting more or less into each other , has only to close up the rings at one or more points , to form a sort of fulcrum , against which the rest of the body exerts itself in extending forwards . 167. Some have ...
... united by muscles , and shutting more or less into each other , has only to close up the rings at one or more points , to form a sort of fulcrum , against which the rest of the body exerts itself in extending forwards . 167. Some have ...
Pagina 94
... united by a membrane , which , when expanded , acts as a paddle . 197. There is also a large number of invertebrate animals in which swimming is the principal or the only mode of progression . Lobsters swim by means of their tail , and ...
... united by a membrane , which , when expanded , acts as a paddle . 197. There is also a large number of invertebrate animals in which swimming is the principal or the only mode of progression . Lobsters swim by means of their tail , and ...
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Veelvoorkomende woorden en zinsdelen
albumen allantois Ammonites Animal Kingdom appear aquatic arteries Articulata Articulates auricles become belong birds blood body bones brain branches called canal carboniferous Carnivora cartilaginous cavity cells Cercaria chyle classes cloth composed contains corresponding crabs crustaceans crystalline lens cuttle-fish digestive distinct Distoma distribution divided Echinoderms eggs embryo enclosed epoch fauna fishes fluid formation fossils frog furnished Gasteropods geological germ germinative germinative vesicle gills head heart Illustrations important Infusoria insects intestine jaws jelly-fishes layer less limbs living lower lungs magnified mals mammals membrane metamorphoses mode mollusks muscles namely natural nerves nervous system oxygen peculiar period plants polyps portion Radiates regions reptiles resemblance respiration respiratory organs Rhizodonts rocks SECTION shell showing Silurian similar skin species star-fishes structure surface teeth temperate tentacles terrestrial animals Tertiary tion tissues trachea tropical types upper vegetative ventricle vertebrated animals vesicle White-fish whole worms yolk young Zoology
Populaire passages
Pagina 189 - Experiments of dredging in very deep water have also taught us that the abyss of the ocean is nearly a desert. Not only are no materials found there for sustenance, but it is doubtful if animals could sustain the pressure of so great a column of water, although many of them are provided with a system of pores, (260,) which enables them to sustain a much greater pressure than terrestrial animals. America, one species takes...