A manual of zoologyWilliam Blackwood & Sons, 1878 - Zoology |
From inside the book
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Page 6
... distinct actions , and are pre - eminently characterised by their tendency to pass through a series of cyclical changes , which follow one another in a regular and determinate sequence . ( d ) . Reproduction . - Every living body has ...
... distinct actions , and are pre - eminently characterised by their tendency to pass through a series of cyclical changes , which follow one another in a regular and determinate sequence . ( d ) . Reproduction . - Every living body has ...
Page 9
... distinct parts or organs , " which have certain definite relations to one another , and which dis- charge certain definite offices or " functions . " The protoplasmic and actually living portions even of these , however , appear , under ...
... distinct parts or organs , " which have certain definite relations to one another , and which dis- charge certain definite offices or " functions . " The protoplasmic and actually living portions even of these , however , appear , under ...
Page 11
... distinct in kind as compared with all other forces . The presence of this " vital force " may be recognised even in the simplest phe- nomena of nutrition ; and no attempt even has hitherto been made to explain the phenomena of ...
... distinct in kind as compared with all other forces . The presence of this " vital force " may be recognised even in the simplest phe- nomena of nutrition ; and no attempt even has hitherto been made to explain the phenomena of ...
Page 15
... distinct digestive cavity . Some animals , however , such as the tape- worm and the Gregarinæ , live entirely by the imbibition of organic fluids through the general surface of the body , and many have neither a distinct mouth nor ...
... distinct digestive cavity . Some animals , however , such as the tape- worm and the Gregarinæ , live entirely by the imbibition of organic fluids through the general surface of the body , and many have neither a distinct mouth nor ...
Page 16
... distinct , and , indeed , often apparently opposite , points of view . From the first point of view we have to look simply to the laws , form , and arrangement of the structures of the organism ; in short , to its external shape and ...
... distinct , and , indeed , often apparently opposite , points of view . From the first point of view we have to look simply to the laws , form , and arrangement of the structures of the organism ; in short , to its external shape and ...
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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