A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Página 13
... resemble some of the Infusorian animalcules as to have been referred to that division of the Protozoa . 0000 b Fig . 1. - Alga and Infusoria . , a Ciliated zoospores of Conferve ; b Ciliated zoospore of Vaucheria ; c Volvox globator , a ...
... resemble some of the Infusorian animalcules as to have been referred to that division of the Protozoa . 0000 b Fig . 1. - Alga and Infusoria . , a Ciliated zoospores of Conferve ; b Ciliated zoospore of Vaucheria ; c Volvox globator , a ...
Página 20
... resembles , in turn , the different inferior members of the animal scale . With regard to man , standing at the top of the whole animal kingdom , this theory has been expressed as follows : " Human organogenesis is a transitory ...
... resembles , in turn , the different inferior members of the animal scale . With regard to man , standing at the top of the whole animal kingdom , this theory has been expressed as follows : " Human organogenesis is a transitory ...
Página 22
... resemble certain natural objects , and thus greatly diminish their chances of being detected by their natural foes . Excellent instances of this " protective resemblance " are afforded by the insects known as Walking - leaves ( Phyllium ) ...
... resemble certain natural objects , and thus greatly diminish their chances of being detected by their natural foes . Excellent instances of this " protective resemblance " are afforded by the insects known as Walking - leaves ( Phyllium ) ...
Página 24
... resemble each other more than they do In using the term " individual , " it must be borne in mind that the “ zoological individual ” is meant ; that is to say , the total result of the development of a single ovum , as will hereafter be ...
... resemble each other more than they do In using the term " individual , " it must be borne in mind that the “ zoological individual ” is meant ; that is to say , the total result of the development of a single ovum , as will hereafter be ...
Página 25
... resembling each other have descended from a single pair , or from pairs exactly simi- lar to one another . The characters in which individuals must resemble one another in order to entitle them to be grouped in a separate species ...
... resembling each other have descended from a single pair , or from pairs exactly simi- lar to one another . The characters in which individuals must resemble one another in order to entitle them to be grouped in a separate species ...
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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