60 AMPHOTERIC COLLOIDS. I 



while on the more acid side from the isoelectric point it combines 

 with the anion of a neutral salt. The curve for the amount of 

 cation or anion in combination with the gelatin runs parallel with 

 the curves for osmotic pressure, swelling, etc. The new experi- 

 ments will be discussed in the second number of this Journal. 



