A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Side 18
... separate aperture for the excre- tion of effete and indigestible matters . Digestion is performed by a distinct stomach with accessory glands ; a special contrac- tile cavity , or heart , is provided for the propulsion of the nutri ...
... separate aperture for the excre- tion of effete and indigestible matters . Digestion is performed by a distinct stomach with accessory glands ; a special contrac- tile cavity , or heart , is provided for the propulsion of the nutri ...
Side 25
... separate origin , and distinctness of race , evinced by a constant trans- mission of some characteristic peculiarity of organisation . " According to Woodward , " all the specimens , or individuals , which are so much alike that we may ...
... separate origin , and distinctness of race , evinced by a constant trans- mission of some characteristic peculiarity of organisation . " According to Woodward , " all the specimens , or individuals , which are so much alike that we may ...
Side 26
... separate species . A " race , " again , is simply a permanent or " perpetuated " variety . The question , however , is this - How far may these differences amongst in- dividuals obtain without necessitating their being placed in a separate ...
... separate species . A " race , " again , is simply a permanent or " perpetuated " variety . The question , however , is this - How far may these differences amongst in- dividuals obtain without necessitating their being placed in a separate ...
Side 30
... separate parts , which may remain in connection , or may under- go detachment . It seems to have been established as a strong probability by Darwin , Hildebrandt , and Delpino , that in the great majorty of plants self - fecunda- tion ...
... separate parts , which may remain in connection , or may under- go detachment . It seems to have been established as a strong probability by Darwin , Hildebrandt , and Delpino , that in the great majorty of plants self - fecunda- tion ...
Side 51
... separate layers or strata ) , and mostly exhibit " fossils " -that is to say , the remains or traces of animals or plants which were in existence at the time when the rocks were deposited . 4. The series of aqueous rocks is capable of ...
... separate layers or strata ) , and mostly exhibit " fossils " -that is to say , the remains or traces of animals or plants which were in existence at the time when the rocks were deposited . 4. The series of aqueous rocks is capable of ...
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Manual of Zoology ...: With a General Introduction on the Principles of Zoology Henry Alleyne Nicholson Ingen forhåndsvisning tilgjengelig - 2015 |
Vanlige uttrykk og setninger
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