404 



JENNINGS- HEREDITY IN PROTOZOA. 



[April 24, 



Table II. 



Correlation Table for Length and Breadth of a Random Sample from De- 



cendants of 50 of the Smaller Individuals from Culture i, allozved to 



Multiply for 12 Days. (See polygons b, Diagrams i and 2.) 



Length in Microns, 

 c 80 84 88 92 96 100 104 108 112 116 120 124 128 



3 

 16 



40 



j:;.j-4^^^ oy"^o-^i 33 



•5 



Breadth— Mean, 



St. Dev. 



29.080 ± .2I2M 

 3.320 ±: .i68/i 



Length — Mean, 96.280 ± .552M 



St. Dev., 8.i6o±.388/a 



Coef. Var., 7.678 ± .368 



Mean Index, or Ratio of Breadth to Length, 27.428 per cent. ; Coef. of 

 Cor., .3768 ± .0579. 



Coef. Var. 12.100 ± .585 



that the progeny of these ten correspond to the larger set {A) of 

 the original culture, though with slight differences in the means and 

 in the amount of variation. 



3. A single smaller individual, c, was selected from the original 

 culture. As near as could be measured when alive, this individual 



Co 



Table III. 



rrelation Table for Length and BreadtJi of a Random Sample from 

 sccndants of jo of the Larger Individuals from Culture i, allowed 

 to multiply for 12 Days. (See polygons B, Diagrams i and 2.) 



Length in Microns. 



De- 



ra 



Length — Mean, 182.760 ± 1.096M 



St. Dev., 16.264 ± .yydiJ- 



Coef. Var., 8.899 ± 428 



4 

 16 



15 

 23 

 II 



15 



13 



2 



I 



Breadth — Mean, 61.360 ± .496/* 



St. Dev., 7.376 ± .332M 

 Coef. Var., 11.912 ± .576 



Mean Index or Ratio of Breadth to Length, 33.652 per cent. ; Coef. Cor.,. 

 .5288 ± .0486. 



