172 
ELEMENTARY AGRICULTURE 
While this cloth is still wet, eight kernels should be taken 
from each ear, beginning at the butt and revolving the 
ear to remove a kernel from every third row. These 
grains should be placed in a row across the cloth with 
the tips pointing in one direction as indicated in the 
diagram. (Fig. 127.) Each row should be numbered 
with colored chalk or with a wax pencil. The doll should 
Fig. 126 —Seed ears numbered for testing. Notice that they are strung and 
placed so that rats and mice will not disturb them. 
be rolled very carefully to avoid displacing the kernels 
and to see that the heavy wrapping paper insulates each 
row. In using the glazed paper and cloth, the roots of 
seedling from one ear of corn will not become entangled 
with those of another. After rolling, the doll should be 
tied loosely in three places or bound with rubber bands, 
and then dipped in water to saturate the cloth. A num¬ 
ber of dolls may be placed in an incubator, as shown in 
