:

  •  
                                                          

    ( 50 ):



    ( . 1946)
    - ( . . ) (1852-1912)

    ( . 1931)
    ( . - )

    () ( . mammalia - . mamma -
    (Mammeri) (1917-89)
    ( . . 63)
    ( . mamma - ...)
    ( . 1951)
    ( 1946 )

    ( ) (1869-1920)
    (1841-1918)
    (1895-1982)
    (Mammoth Cave)



    (Mamry)
    -
    (1909-66)

    (1901-82)
    ( . 1919)



    ()
    (Managua)
    (Manado)
    ( . 1950)


    (1873-1952)


    ( . 1951)

    ( . )

    (1841-1901)
    (Manaus)

    (Mangalia)


    (Woods) (1947)

    -
    ( . 1937)
    : ?
    :