A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Página 22
... single order Marsupialia in Australia , in which country this order has almost alone to discharge the functions elsewhere performed by several orders . Many homomorphous forms , however , live peacefully side by side , and it is ...
... single order Marsupialia in Australia , in which country this order has almost alone to discharge the functions elsewhere performed by several orders . Many homomorphous forms , however , live peacefully side by side , and it is ...
Página 23
... single occipital condyle . Most of these correlations are physiologically difficult of explanation and sometimes even amusing . Thus all , or almost all , male cats which are entirely white and have blue eyes , are at the same time deaf ...
... single occipital condyle . Most of these correlations are physiologically difficult of explanation and sometimes even amusing . Thus all , or almost all , male cats which are entirely white and have blue eyes , are at the same time deaf ...
Página 24
... “ zoological individual ” is meant ; that is to say , the total result of the development of a single ovum , as will hereafter be explained at greater length . others ; and are able to reproduce their like , 24 MANUAL OF ZOOLOGY .
... “ zoological individual ” is meant ; that is to say , the total result of the development of a single ovum , as will hereafter be explained at greater length . others ; and are able to reproduce their like , 24 MANUAL OF ZOOLOGY .
Página 25
... single being or a single pair . M. de Quatrefages defines species as " an assemblage of individuals , more or less resembling one another , which are descended , or may be regarded as being descended , from a single primitive pair by an ...
... single being or a single pair . M. de Quatrefages defines species as " an assemblage of individuals , more or less resembling one another , which are descended , or may be regarded as being descended , from a single primitive pair by an ...
Página 27
... single pair , or from pairs exactly similar to one another , is at best but a probability , and is in no case capable of proof . In the case of the higher animals , it can doubtless be shown that certain assemblages of individuals ...
... single pair , or from pairs exactly similar to one another , is at best but a probability , and is in no case capable of proof . In the case of the higher animals , it can doubtless be shown that certain assemblages of individuals ...
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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