The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
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Page 20
... ( penguins ) ( R.M.L. ) The penguins are a group of flightless seabirds constituting a particularly distinct and homogeneous order , Sphenis- ciformes ; the one family , Spheniscidae , is limited in dis- tribution to the Southern ...
... ( penguins ) ( R.M.L. ) The penguins are a group of flightless seabirds constituting a particularly distinct and homogeneous order , Sphenis- ciformes ; the one family , Spheniscidae , is limited in dis- tribution to the Southern ...
Page 21
... penguin , in which it is done by the male alone . The incubation period begins immediately following the laying of the single egg in the emperor and king penguins and after the laying of the second egg in other penguins . With the ...
... penguin , in which it is done by the male alone . The incubation period begins immediately following the laying of the single egg in the emperor and king penguins and after the laying of the second egg in other penguins . With the ...
Page 110
... Penguins ( 1951 ) . GEORGE GAYLORD SIMPSON , " Fossil Penguins , " Bulletin of the American Museum of Natural History , 87 : 1–99 ( 1946 ) , is a basic work on the evolution of penguins . Pelicaniformes : G.F. VAN TETS , A Comparative ...
... Penguins ( 1951 ) . GEORGE GAYLORD SIMPSON , " Fossil Penguins , " Bulletin of the American Museum of Natural History , 87 : 1–99 ( 1946 ) , is a basic work on the evolution of penguins . Pelicaniformes : G.F. VAN TETS , A Comparative ...
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