Outlines of natural history for beginners |
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Página 9
... supports a num- ber of little vibrating hair - like processes , which are called " cilia " ( Latin , cilium , an eyelash ) . These little filaments when in active motion cannot be detected by the eye , owing to their transparency , but ...
... supports a num- ber of little vibrating hair - like processes , which are called " cilia " ( Latin , cilium , an eyelash ) . These little filaments when in active motion cannot be detected by the eye , owing to their transparency , but ...
Página 31
... supported upon movable stalks . The Lobster can thus roll the eyes about in different directions ; and the eyes themselves are what is called " compound , " each being composed of numerous simple eyes amalgamated together . The eyes ...
... supported upon movable stalks . The Lobster can thus roll the eyes about in different directions ; and the eyes themselves are what is called " compound , " each being composed of numerous simple eyes amalgamated together . The eyes ...
Página 47
... supported upon a common trunk . As the type of this class we may take the broad - leaved Sea - mat or Hornwrack ( Flustra foliacea ) , which is of common occurrence on the coasts of Britain . This singular organism ( fig . 19 , a ) is ...
... supported upon a common trunk . As the type of this class we may take the broad - leaved Sea - mat or Hornwrack ( Flustra foliacea ) , which is of common occurrence on the coasts of Britain . This singular organism ( fig . 19 , a ) is ...
Página 54
... of the animal , and is not perfor- ated by any aperture . Internally , however , it carries a singular shelly loop ( fig . 22 , B , 7 ) , which supports the bases of the spiral " arms , " and which 54 OUTLINES OF NATURAL HISTORY .
... of the animal , and is not perfor- ated by any aperture . Internally , however , it carries a singular shelly loop ( fig . 22 , B , 7 ) , which supports the bases of the spiral " arms , " and which 54 OUTLINES OF NATURAL HISTORY .
Página 55
... supports the spiral arms . C , Inner view of the larger valve , showing the foramen or aperture ( f ) in the beak , through which the muscular stalk of attachment passes . D , Longitudinal and vertical section of the animal , showing ...
... supports the spiral arms . C , Inner view of the larger valve , showing the foramen or aperture ( f ) in the beak , through which the muscular stalk of attachment passes . D , Longitudinal and vertical section of the animal , showing ...
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Palavras e frases frequentes
abdomen adductor muscle Advanced Text-Books animal antennæ appendages arms attached backbone beak bivalve blood body body-cavity bone breathing-organs breathing-tubes carries cavity chambers characters distinguish colour common common Frog common House Spider composed consists contained Crown 8vo Diagram Dictionary digestive distinct heart distinct vent distinguish the class domestic Goose dorsal fin Edition Engravings eyes Fcap feelers fins fluid Flustra foot-jaws Frog front Geology gills Goose Greek Grey Lag gullet head horny Hydra insect internal anatomy intestine jointed known Latin Leech limbs Lithobius Lithobius forficatus little nervous masses Lobster lower surface lungs mantle MANUAL means membranous mouth muscular Mya arenaria nervous system opens outer pairs of legs peculiar Perch PHYSICAL GEOGRAPHY plate portion processes quadrate bone RECAPITULATION OF ESSENTIAL rings or segments rudimentary Scolecida shell side skin skull soft spines Star-fish stomach sub-kingdom sucker tail teeth tentacles thorax tion tube valve Whelk Zoology
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