586 



Dr. A. D. Waller. New Method for the [June 17, 



Experiments 21 to 25 added to paper August, 1910. 



Experiment 21 (June 17). — Cat ; 3'2 kilos. ; ether. Death in one minute by intravenous 

 injection of 10 milligrammes HON. Blood drawn off before the injection and after 

 death. Distillates as usual, taken on June 17, 18, and 20. 



grammes HON. 



June 17.— Blood (before injection) TO 0-000000. 



Blood (after death) T 5 x 25 0-000125. 



Brain T 8 x 25 0-000200. 



Liver T5x21 0-000105. 



Spleen (4 grammes) T 2 x 10/4 x 21 0-000105. 



Gall-bladder (3-3 grammes) T 0-4 x 3 x 22 0-000026. 

 Muscle T0-2X20 0-000004. 



June 18.— Blood T 5 x 22 0-000110. 



Brain T6x21 0-000126. 



June 20.— Blood T 2 x 20 0-000040. 



Heart T 5 x 20 0-000100. 



Liver T 1-5x20 0000030. 



Experiment 22 (June 22). — Cat ; 2-5 kilos ; e'ther. Death in 10 minutes by inhalation 

 over a 1/1000 solution of HCN. Distillates taken same day. 



Blood T0-75X21 0-000016. 



Brain T0-5x23 0000011. 



Heart T0-5x22 0-000011. 



Muscle T 0-2x22 0-000004. 



Stomach T 0-5x23 0000011. 



Lungs T 0-5x22 0-000011. 



Experiment 23 (June 22). — Cat ; 2-3 kilos. ; ether. Death in 10 minutes by inhalatiork 

 over 1/1000 solution of HCN. Distillates as usual. 



Blond T 0-75x21 0-000016. 



Brain T 2*0x22 0-000044. 



Heart T 1-5x23 0000034. 



Lung T 0-75x22 0-000016. 



In this as well as in the preceding experiment there was more HCX in the heart and 

 in the brain than in the lung, although the poison had been taken in by inhalation. 



Experiment 24 (June 2.3). — By courtesy of Dr. Freyberger. Male, aged 60, found dead 

 in bed on the morning of June 21. JJi.stillatcs as usual. 



Blood T2x20 0000040. 



Brain T 1 x 20 . 0-000020. 



Heart T2x20 0-000040. 



Muscle T 0-5x20 0000010. 



Viscera T 20x20 000()4()0. 



Experiment 25 (June 25). — A control observation, by courtesy of Dr. Freyberger. 

 Female, aged 50. Death under chloroform. Distillates as usual. No sign of HCN in 

 blood, l)rain, lieart, muscle, or viscera. 



