PHASES IN THE LIFE OF THE INDIVIDUAL 707 



increase during the first two years is 1'5 Ibs. With the sheep 

 the increase is greater, for a young laml> in ten days can add fifty 

 per cent, to its original weight, and can double it at the end of the 



I06J 



180 



Fi<;. 177. (Fi-i'in Miiidt's /'/"/>/</// >/'. !</'', <ififtli, "ml 

 ('. S. I'litnain it Sons, and John Murray.) 



first month, and treble it at the end of the second. In pigs, 

 however, the increase is even more rapid, for a young pig can add 

 twenty per cent, to its original weight by the end of the first week, 

 and up to the end of the first year can add an average daily increase 

 of 0-44 Ib. 



