A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Página 1
... less nearly related branches . In the first place , the study of natural objects admits of an obvious separation into two primary sections , of which the first deals with the phenomena presented by the inorganic world , whilst the ...
... less nearly related branches . In the first place , the study of natural objects admits of an obvious separation into two primary sections , of which the first deals with the phenomena presented by the inorganic world , whilst the ...
Página 6
... less objectionable , since they either really mean nothing , or the assumption underlies them that life is inseparably con- nected with organisation . In point of fact , no rigid definition of life appears to be at present possible ...
... less objectionable , since they either really mean nothing , or the assumption underlies them that life is inseparably con- nected with organisation . In point of fact , no rigid definition of life appears to be at present possible ...
Página 15
... less highly organised and less specialised forms of plants that we find the chief departures from the great laws of vegetable life DIFFERENCES BETWEEN ANIMALS AND PLANTS . 15.
... less highly organised and less specialised forms of plants that we find the chief departures from the great laws of vegetable life DIFFERENCES BETWEEN ANIMALS AND PLANTS . 15.
Página 19
... less rapidity , until the adults ultimately become more or less different , the range of possible modification being ap- MORPHOLOGICAL TYPE . 19.
... less rapidity , until the adults ultimately become more or less different , the range of possible modification being ap- MORPHOLOGICAL TYPE . 19.
Página 20
Henry Alleyne Nicholson. less different , the range of possible modification being ap- parently almost illimitable . The ... less , the differences which subsist between the members of each sub - kingdom in their adult condition are truly ...
Henry Alleyne Nicholson. less different , the range of possible modification being ap- parently almost illimitable . The ... less , the differences which subsist between the members of each sub - kingdom in their adult condition are truly ...
Índice
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141 | |
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180 | |
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779 | |
782 | |
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