272 Chittenden and Hutchinson—Influence of 
Relative 
UO.S0, + 3H,0. Undigested residue. Fibrin digested. proteolytic action. 
0 0°3790 gram. 62°10 per cent. 100°0 
0:010 per cent. 03868 61°37 98°8 
0°025 05023 49°77 80-1 
0-050 06066 39°34 63°3 
0100 0-8083 19°17 30°0 
0-500 -— 0 0 
These results are seen to accord almost exactly with the preceding 
and show that both salts have an action on this ferment much more 
pronounced than on pepsin-hydrochloric acid. 
Ammonio uranous sulphate. 
U(SO.4) +(NHa)e Relative 
SO,+ H.0 Undigested residue. Fibrin digested. proteolytic action, . 
0) 0:4025 gram. 59°75 per cent. 100°0 
0:010 per cent. 0°4031 59°69 : 99:7 
0025 0°4229 57°71 96°4 
0°050 04824 51°76 86°6 
0-100 05743 42°57 72:9 
0500 4 0 0 
Sodio uranic sulphate. 
U0.S04+ NasSO4 Relative 
+2H,0. Undigested residue. Fibrin digested. proteolytic action. 
0 0:3261 gram. 67°39 per cent. 100-0 
0-010 per cent. 03414 65°86 97-4 
0025 03588 64°12 94°8 
0-050 0°3961 60°39 89:5 
0-100 04462 55°38 82-1 
0500 — 0 0 : 
Ammonio uranic citrate. 
(UO.)3(CeHs07)2 Relative 
+(NH,)3C¢H;07. Undigested residue. Fibrin digested. proteolytic action, 
0 0:3955 gram. 60:45 per cent. 100-0 
0-010 per cent. 04934 50°66 83°8 
0-025 05282 4718 78-0 
0050 0°6618 33°82 55°9 
0-100 O-7705 © 22°95 378 
0-500 0°7168 28°32 46:8 
Potassio uranic oxychloride. 
U0.2Cl. + 2KCl Relative 
+ 2H,0. Undigested residue. Fibrin digested. proteolytic action. 
0 0°4234 gram. 56°76 per cent. 100°0 
0°010 per cent. 04498 55°02 95-4 
0°025 05224 47°76 82°8 
0:050 9-5629 43°71 759 
0°100 0°7087 29°13 50°8 
0-500 —— 0 0 
