412 



JENNINGS— HEREDITY IN PROTOZOA. 



[April 24, 



en 

 4; 



was placed in fresh culture fluid. Twenty-four hours later this 

 second set was found to be multiplying rapidly ; a portion of it was 

 then killed. The measurements of the two lots are given in Tables' 

 VI. and VII., while the facts are graphically represented in the 



Taiu.!-; VI. 

 Correlation Table for Lengths ami Breadths of a Random Sample from 

 a Culture of Descendants of D, in zvhich Multiplication zvas not in 

 Progress. For comparison zvith Tabic J'll. (See also Diagram 3.) (Row 

 3, Table XVIII.) 



Length in Microns. 

 148 152 156 160 164 168 172 176 180 184 188 192 196 200 204 208 212 



9 

 20 



35 

 22 



25 



15 



4 



5 



m 



I I o 4 3 II 17 10 15 13 9 II 10 II 5 8 6 135 

 Length — Mean, 185.008 ± .836^ Breadth — Mean, 43-556 ± .392^ 



St. Dev., 14.420 it .592/i St. Dev., 6.748 ± .276M 



Coef. Van, 7.794 ± .324, Coef. Van, 15.490 ± .651 



Mean Index, 23.517 per cent. ; Coef. Cor., .5955 ± .0375. 



Table VII. 

 Correlation Table for Lengths and Breadths of a Random Sample of De- 

 scendants of D, at a Time when Rapid Multiplication zvas in Progress. 

 For comparison with Table VL (See also Diagram 3.) (Row 4, 

 Table XVIII.) 



Length in Microns. 



17 

 29 



41 



37 



31 



23 



12 



2 



o 



I 



Length — Mean, 176.124 ± 1.128M 



St. Dev., 23.360 ± .797M 

 Coef. Van, 13.262 it .461, 



19 



Breadth — Mean, 47.364 it .344At 



St. Dev., 7.i32±.244At 

 Coef. Var., 15.057^.526. 



Mean Index, 27.153 per cent.; Coef. Cor., .3945 it .0408. 



