A manual of zoologyWilliam Blackwood & Sons, 1878 - Zoology |
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Page 35
... extremity , when it is known as the " hydra - tuba , " from its resemblance to the fresh- water polype , or Hydra . The hydra - tuba has the power of multiplying itself by gemmation , and it can produce large col- onies in this way ...
... extremity , when it is known as the " hydra - tuba , " from its resemblance to the fresh- water polype , or Hydra . The hydra - tuba has the power of multiplying itself by gemmation , and it can produce large col- onies in this way ...
Page 63
... extremity , through which the pseudopodia are protruded ( fig . 8 ) . The animal generally creeps about head - downwards , so to speak ; that is to say , with the closed end of the cara- pace elevated above the surface on which it is ...
... extremity , through which the pseudopodia are protruded ( fig . 8 ) . The animal generally creeps about head - downwards , so to speak ; that is to say , with the closed end of the cara- pace elevated above the surface on which it is ...
Page 64
... extremity only of the body , the remainder of the surface appearing to be of too resistant a consistence to allow of this . The common Sun - animacule ( Actinophrys sol ) is another well - known Rhizopod which is commonly placed here ...
... extremity only of the body , the remainder of the surface appearing to be of too resistant a consistence to allow of this . The common Sun - animacule ( Actinophrys sol ) is another well - known Rhizopod which is commonly placed here ...
Page 85
... extremity to some foreign object ; a primitive " osculum " is developed at the free extremity of the larva ; and the walls become perforated with numerous small apertures , which ultimately become the inhalant openings or " pores " of ...
... extremity to some foreign object ; a primitive " osculum " is developed at the free extremity of the larva ; and the walls become perforated with numerous small apertures , which ultimately become the inhalant openings or " pores " of ...
Page 91
... extremity of a slender contractile stem or " pedicle . " The other extremity of the pedicle is fixed to some foreign body , and its power of contraction is due to the presence in its interior of a spiral contractile fibre , which is ...
... extremity of a slender contractile stem or " pedicle . " The other extremity of the pedicle is fixed to some foreign body , and its power of contraction is due to the presence in its interior of a spiral contractile fibre , which is ...
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Other editions - View all
Manual of Zoology ...: With a General Introduction on the Principles of Zoology Henry Alleyne Nicholson No preview available - 2015 |
Common terms and phrases
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