124 THE CHEMICAL CONSTITUTION OF THE PROTEINS 



: o E 



21 J 



Keratin, fro 

 Egg-membran 

 of Testudo 

 Graeca. 



"SSls- 



i 



Ovo-Kera 

 Egg-membr 



,_ _ 



O>nHTt-| 1 _ 1 VO O 

 fc S H K 1 1 1 tx V 



M 



g g-a 



N op I co 



H io I r? N 



*b 1 Vob ' in ro o 



r 



22 S"S 



p 



Invb M 

 OJ 



p 



H 

 VO 



co it c-i rn 



^-ONOOimOiCO 



Sg, 1 M 1 M SS 1 1 M II 



S 

 si. 



si 



. 



^S 15 S"o^ &'g ^2 ^&-2 b^ 

 ^ > J5 ^ S K a o < o H < 



.9 



.s g 



