PHASES IN THE LIFE OF THE INDIVIDUAL 711 



Live 

 Weight 

 (Ih.) 

 175 



150 

 125 

 100 

 75 

 60 

 25 



55 weeks 

 J 



FIG. 181. Growth of sheep. (From Alan Murray, Jn-m: <>f .!'///<. >'/. 



Curve 1, Suffolk sheep (males, single). 

 2, (females, single). 

 3, Shropshire -f- Merino sheep (males, single). 

 I. (females, single). 



it, ( twins). 



The weights actually observed are indicated by for the Suffolk, and 

 for the Shrop.-Merino sheep. 



FIG. 182. <iro\vth of girls (A) and boys (B) ; increase kg. per annum. IVinr t> 

 the tenth year the rate of growth of the t\vn MXM is represent ><! 1,\ tin- 

 same line. (From Alan Mnrniy. Jm: /" .!////. >'.//-///.) 



