A manual of zoologyWilliam Blackwood & Sons, 1878 - Zoology |
From inside the book
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Page 271
... bivalve shell , the foremost pair of limbs constitute pecu- liar organs of adhesion ( " prehensile antennæ " of Darwin ) , the two following pairs of limbs are cast off , and six pairs of powerful biramose natatory feet are formed on ...
... bivalve shell , the foremost pair of limbs constitute pecu- liar organs of adhesion ( " prehensile antennæ " of Darwin ) , the two following pairs of limbs are cast off , and six pairs of powerful biramose natatory feet are formed on ...
Page 273
... bivalve shell ; the anterior limbs ( antennæ ) a Fig 128 .-- Locomotive " pupa " of Balanus . a Eye ; b Caudal bristles ; c Setigerous limbs . are transformed into prehensile organs ; the two following pairs of limbs are cast off ; and ...
... bivalve shell ; the anterior limbs ( antennæ ) a Fig 128 .-- Locomotive " pupa " of Balanus . a Eye ; b Caudal bristles ; c Setigerous limbs . are transformed into prehensile organs ; the two following pairs of limbs are cast off ; and ...
Page 276
... , and in others a bivalve shell , which completely or in great part envelops the body and limbs of the animal . In other genera the animal is invested with a multivalve carapace , like jointed plate - armour 276 MANUAL OF ZOOLOGY .
... , and in others a bivalve shell , which completely or in great part envelops the body and limbs of the animal . In other genera the animal is invested with a multivalve carapace , like jointed plate - armour 276 MANUAL OF ZOOLOGY .
Page 277
... bivalve shell enclosing the entire body . The mouth is not suctorial , but is furnished with organs of mastication . This division comprises the two orders Ostracoda and Copepoda . ORDER I. OSTRACODA . - Small Crustaceans having the ...
... bivalve shell enclosing the entire body . The mouth is not suctorial , but is furnished with organs of mastication . This division comprises the two orders Ostracoda and Copepoda . ORDER I. OSTRACODA . - Small Crustaceans having the ...
Page 279
... bivalve carapace , similar to that of the Ostracoda . The feet are few in number ( usually four , five , or six pairs ) , and are mostly respir- atory , carrying the branchia . Two pairs of antennæ are present , the larger pair being of ...
... bivalve carapace , similar to that of the Ostracoda . The feet are few in number ( usually four , five , or six pairs ) , and are mostly respir- atory , carrying the branchia . Two pairs of antennæ are present , the larger pair being 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