6 



ELEMENTS OF AGRICULTURE 



were rapid, that is, there are a few dwarfs and a few 

 giants. 



In other words, the great majority of the men were 

 of nearly the same height, being from a little over five feet 

 to six feet. But there were a few extremely short ones 

 and a few extremely tall ones. These principles apply 

 when we consider any character of any living thing. 



FIG. 3. Variation in timothy heads. No two are alike 



Fig. 5 shows the egg-production of 65 hens for a year. 

 The number of eggs varied from none to 170. The number 

 is too small to give a smooth curve, but the same general 

 shape is indicated as that in Fig. 4. 



8. Similar Produces Similar. It is often said that like 

 produces like, but this is not strictly accurate. No two 

 beings are alike. The members of one family are usually 

 similar in many ways, but no two are alike. In fact, the 



