EXERCISE XXXV. 

 THE QUALITY OF POTATOES. 



Supplies for a Laboratory Section of Twelve. Each student should be supplied with ten potatoes of those 

 varieties easily obtained locally. The groups of potatoes should be designated by number. A balance, twelve 

 knives, and a tin hasin will also be needed for this exercise. 



DIRECTIONS. 1. Make a careful study of the samples of potatoes according to the 

 descriptive outline given below. Record the number of potatoes in a given sample which 

 conform to any particular descriptive term. For example, in studying shape, if four of the 

 ten potatoes in a given sample are oval re*cord the number four in the proper column opposite 

 the word oval. 



DESCRIPTIVE FORM FOR POTATO SAMPLES. 



116 



