A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Página 6
... external influences ; " Duges , as " the special activity of organised bodies ; " and Beclard , as " organ- isation in action . " All these definitions , however , are more or less objectionable , since they either really mean nothing ...
... external influences ; " Duges , as " the special activity of organised bodies ; " and Beclard , as " organ- isation in action . " All these definitions , however , are more or less objectionable , since they either really mean nothing ...
Página 9
... external im- pressions . Furthermore , many of these little masses of struc- tureless jelly possess the power of manufacturing for them- selves , of lime , or of the still more intractable flint , external shells of surpassing beauty ...
... external im- pressions . Furthermore , many of these little masses of struc- tureless jelly possess the power of manufacturing for them- selves , of lime , or of the still more intractable flint , external shells of surpassing beauty ...
Página 12
... external configuration , of all charac- ters the most obvious , it must be admitted that no absolute distinction can be laid down between plants and animals , Many of our ordinary zoophytes , such as the Hydroid Polypes , the sea shrubs ...
... external configuration , of all charac- ters the most obvious , it must be admitted that no absolute distinction can be laid down between plants and animals , Many of our ordinary zoophytes , such as the Hydroid Polypes , the sea shrubs ...
Página 16
... external shape and internal structure . This con- stitutes the science of morphology ( poppy , form , and λóyos , dis- course ) . From the second , we have to study the vital actions performed by living beings and the functions ...
... external shape and internal structure . This con- stitutes the science of morphology ( poppy , form , and λóyos , dis- course ) . From the second , we have to study the vital actions performed by living beings and the functions ...
Página 22
... external characters of certain other animals , to which they may be closely related , or from which they may be widely separated in zoological position . Such cases are said to be examples of " mimicry , " and such animals are said to ...
... external characters of certain other animals , to which they may be closely related , or from which they may be widely separated in zoological position . Such cases are said to be examples of " mimicry , " and such animals are said to ...
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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