504 APPENDIX. 



NOTE 4. Ultimate composition of erythroprotid. (Mulder. 



In a few instances (see Vol. I, pp. 13, 181, and Vol. II, pp. 8, 424, &c.) I find 

 that I have doubled the equivalent of phosphorus. Adopting this notation in p. 16, 

 the formula, instead of being 10 Pr -f- S 2 P, would become 10 Pr -f- S 2 P 2 . 



Albumen of eggs differs from the above in containing only half the amount of 

 sulphur. Mulder's analysis gave ; 



Carbon 



Hydrogen 



Nitrogen 



Oxygen 



Phosphorus 



Sulphur 



54-48 



7-01 



15-70 



22-00 



0-43 



0-38 



Atoms. 



400 



310 



50 



120 



1 



1 



Calculated. 



54-90 



6-95 



15-89 



21-55 



0-35 



0-36 



