








aes ee ee 
4 ae aes EW “Yorx Acmtovuromat By gee Srarion. 157 
Pstonth 1 eae eae a i eh A ie 9 Seana Me a aN aes 128 
- Month Me fel Mee SEMI Ano, AAP ial, 182 
| Month seventh ............ bg RES VARI NEE SN rae I at nD . 128% 
| Month eighth ........ LN Miah Me MERA AT uly chee DCN Sete teh ek BS ie: 
MET ee eae tls eiesbes Vyaes op aoe 124 
nS nc rr rr Nae Ry TPR Sd RM Cope e- 126 
ee POR ORC aie aa aD “108 
Month twelfth FG al AIRC RICO PSP es dR ea Ante Se Sar a ee he 128 
_ The slight variations from equality in the above ratio, which 
is no greater than might be reasonably expected in work of such 
"character, gives evidence, I think, that during the second period . 
of lactation there is practically no change in the actual number 
i of milk globules secreted by the individual cow, although the 
amount of milk yield varies greatly as lactation advances, as does 
B iso the size and number of globules in a definite quantity of 
_ milk at different months during lactation. 
