THE 



SCIENTIFIC PUOCEE DINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XV. (U.S.), No. 41. MAT, 1919. 



THE COMPARATIVE VARIATION OF THE 

 CONSTITUENT SUBSTANCES OF r COWS' MILK. 



BY 



E. J. SHEEHY, F.R.C.Sc.L, 



A*!o 



DEMONSTRATOR IN ZOOLOGY IN THE ROYAL COLLEGE OF SCIENCE, DUBLIN. 



[COMMUNICATED BY PROFESSOR JAMES WILSON, M.A., B.SC.] 



[Authors alone are responsible for all opinions expressed in iheirCommunioations.~\ 



DUBLIN: 



PUBL1SUED BY THE 110 YAL DUBLIN SOCIETY, 



LKINSTER HOUSE, DUBLIN. 



WILLIAMS AND NORGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON, W.C. 



1919. 



Price Sixpence. 



