A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Página 4
... existence of moisture , and a moderate degree of warmth , to insure their decomposition . These conditions , though essen- tial , are so universally present , that animal and vegetable mat- ters are generally considered as liable to ...
... existence of moisture , and a moderate degree of warmth , to insure their decomposition . These conditions , though essen- tial , are so universally present , that animal and vegetable mat- ters are generally considered as liable to ...
Página 6
... existence , the power of independent and spontaneous movement — a power possessed by nothing that is dead . Similarly , the chemical forces , which work unresisted amongst the particles of dead matter , are in the living organism ...
... existence , the power of independent and spontaneous movement — a power possessed by nothing that is dead . Similarly , the chemical forces , which work unresisted amongst the particles of dead matter , are in the living organism ...
Página 8
... existence , without thereby losing their vitality . They may be dried and reduced . to all appearance to dust , and may be kept in this state for a * It has not yet been shown that the living matter which we designate by the convenient ...
... existence , without thereby losing their vitality . They may be dried and reduced . to all appearance to dust , and may be kept in this state for a * It has not yet been shown that the living matter which we designate by the convenient ...
Página 11
... existence . It appears , namely , in the highest degree probable that every vital action has in it something which is not merely physical and chemical , but which is conditioned by an unknown force , higher in its nature and distinct in ...
... existence . It appears , namely , in the highest degree probable that every vital action has in it something which is not merely physical and chemical , but which is conditioned by an unknown force , higher in its nature and distinct in ...
Página 25
... existence of such individual differences is attested by the universal employment of the terms " varieties " and " races . " Thus a " variety " comprises all those individuals which possess some distinctive peculiarity in common , but do ...
... existence of such individual differences is attested by the universal employment of the terms " varieties " and " races . " Thus a " variety " comprises all those individuals which possess some distinctive peculiarity in common , but do ...
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Outras edições - Ver tudo
Manual of Zoology ...: With a General Introduction on the Principles of Zoology Henry Alleyne Nicholson Pré-visualização indisponível - 2015 |
Palavras e frases frequentes
abdomen adult alimentary canal ambulacral amongst animal Annelides antennæ anus aperture appendages Arachnida articulated attached birds bivalve body bones Brachiopoda branchiæ branchial calcareous carapace cavity cephalothorax chitinous ciliated composed comprising consists contractile Crustacea Ctenophora developed disc distinct division dorsal embryo Eocene external extinct extremity feet females fins fishes Foraminifera fossil furnished gemmation genera genus gills head horny Huxley Hydrozoa incisors Insects integument intestine known labium larva larvæ legs limbs living locomotive males Mammals mandibles margin maxillæ membrane molars Mollusca mouth nervous system operculum organs ovum Owen pairs Paleozoic parasitic placed plates polypide polypites Polyzoa portion possess posterior present regarded reproductive Reptiles resembling respiratory Rotifera rudimentary Scolecida segments shell side Silurian single skeleton sometimes somites species spines stomach structure sub-order surface tail teeth tentacles termed thorax toes transverse tube upper usually valves ventral Vertebrates vesicle whilst wings Zoantharia zooids