A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Página xiii
... Arms - Atrial system - De- velopment of Affinities of - Divisions of - Distribution of , in space and time , CHAPTER XLV . 370-377 General characters and divisions of the Mollusca Proper - Lamelli- branchiata - General characters and ...
... Arms - Atrial system - De- velopment of Affinities of - Divisions of - Distribution of , in space and time , CHAPTER XLV . 370-377 General characters and divisions of the Mollusca Proper - Lamelli- branchiata - General characters and ...
Página xiv
Henry Alleyne Nicholson. CHAPTER XLIX . Cephalopoda - General characters - Arms - Respiratory organs - Re- productive process - Shell , CHAPTER L. • 400-408 Dibranchiate Cephalopods - General characters - Octopoda - Argon- lida ...
Henry Alleyne Nicholson. CHAPTER XLIX . Cephalopoda - General characters - Arms - Respiratory organs - Re- productive process - Shell , CHAPTER L. • 400-408 Dibranchiate Cephalopods - General characters - Octopoda - Argon- lida ...
Página 21
... arm of a man are constructed upon the same fundamental plan , and they are therefore homologous organs . They are not analogous , however , since they do not perform the same function , the one being adapted for aerial locomotion , the ...
... arm of a man are constructed upon the same fundamental plan , and they are therefore homologous organs . They are not analogous , however , since they do not perform the same function , the one being adapted for aerial locomotion , the ...
Página 30
... flower , and do not always occupy the same position even in a single species . The simplest form of gemmation , perhaps , is seen 30 MANUAL OF ZOOLOGY . Cephalopoda-General characters-Arms-Respiratory organs-Re- productive process-Shell,
... flower , and do not always occupy the same position even in a single species . The simplest form of gemmation , perhaps , is seen 30 MANUAL OF ZOOLOGY . Cephalopoda-General characters-Arms-Respiratory organs-Re- productive process-Shell,
Página 58
... arms , which become detached and move about like little worms , when they are termed " pseudo- filariæ , " from their resemblance to free Nematoids . After a period of activity , the pseudo - filarian becomes quiescent , shortens its ...
... arms , which become detached and move about like little worms , when they are termed " pseudo- filariæ , " from their resemblance to free Nematoids . After a period of activity , the pseudo - filarian becomes quiescent , shortens its ...
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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