Percent
	|                         o
	|
     50	+ 
	|
	|
	|
	|
     40	+                          o
	|                        o
	|                           o
	|                       o
	| 
     30	+
	|
	|                     oo
	|                            o                            o
	| 
     20	+
	|                                                          o
	|                               o
	|                              o o                    o  o
	|                                 o                 oo
     10	+                    o                    o o    ooo
	|                                   o o    o   oo      oo
	|                   o         o    o o ooo   oo
	|                  o
	|             F
      0	+   A B C D E
	    ----------- // -----+---------+---------+---------+-----
	                      1960      1970      1980      1990
                                   Year

Figure 3. Publications indexed under Palynology (not Paleobotany), as a percentage of publications indexed under both terms, in GeoRef.

A = Overall percentage for all years before 1905, B = 1905 to 1914, C = 1915 to 1924, D = 1925 to 1934, E = 1935 to 1944, F = 1945 to 1954. All other points are for one year only. See Table 2.