A manual of zoologyWilliam Blackwood & Sons, 1878 - Zoology |
From inside the book
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Page 18
... rudimentary contractile cavity . Respiration , if it can be said to exist at all as a distinct function , is simply effected by the general surface of the body . In a Coelenterate animal , such as a sea - anemone , the func- tion of ...
... rudimentary contractile cavity . Respiration , if it can be said to exist at all as a distinct function , is simply effected by the general surface of the body . In a Coelenterate animal , such as a sea - anemone , the func- tion of ...
Page 62
... rudimentary form of a vascular system with which we are as yet acquainted . By others , however , the con- tractile vesicle is believed to be filled with water from the exterior , and it is regarded as a rudimentary form of water ...
... rudimentary form of a vascular system with which we are as yet acquainted . By others , however , the con- tractile vesicle is believed to be filled with water from the exterior , and it is regarded as a rudimentary form of water ...
Page 81
... rudimentary form of respiration . The chambers or sacs lined with ciliated sarcoids have been shown by Mr Carter to be the essential element in the organisation of the fresh - water and marine sponges , and to be the fundamental ...
... rudimentary form of respiration . The chambers or sacs lined with ciliated sarcoids have been shown by Mr Carter to be the essential element in the organisation of the fresh - water and marine sponges , and to be the fundamental ...
Page 87
... rudimentary digestive cavity . They are , for this reason , often called collectively the " stomatode " Protozoa , in contradistinction to the remaining members of the sub - kingdom , which are all " astomatous . " The so - called ...
... rudimentary digestive cavity . They are , for this reason , often called collectively the " stomatode " Protozoa , in contradistinction to the remaining members of the sub - kingdom , which are all " astomatous . " The so - called ...
Page 90
... rudimentary form of vascular apparatus . Others , however , hold , with some probability , that the contrac- tile vesicles are to be regarded as excretory in function , and that they correspond more with the water - vascular system of ...
... rudimentary form of vascular apparatus . Others , however , hold , with some probability , that the contrac- tile vesicles are to be regarded as excretory in function , and that they correspond more with the water - vascular system of ...
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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