RELATION OF RHYTHMS AND ENDOMIXIS. 



43 



1 I have considered the two endomixes shown on the graph at periods 61 and 63 

 as a single event, which I infer to be the case from the table on page 452. 



cated as follows: W = Woodruff, W & E = Woodruff and Erd- 

 mann, with the date of publication following the author's initials 

 in each case. 



Columns i and 5 show the number of five-day periods and 

 generations respectively, columns 2 and 6 the average of each, 

 columns 3 and 7 the variation percentages based on the average, 

 columns 4 and 8 maximum differences of the latter, and column 

 9 the source of the data. In every case " rhythm " is the same 

 as inter-endomictic period. 



The above data are sufficient I think to refute Woodruff's 



