POISONED ARROWS OF THE ABORS AND MISHMIS OF NORTH-EAST INDIA. 925 



Table XXII.— Croton Oil. 

 Frogs. — Injection under the skin of a thigh or of a leg. 



Date. 



Weight 



of 

 Animal. 



Dose 



per 



Kilo. 



Actual 

 Dose. 



Result. 



Notes. 



1914. 

 April 28 



Injection under skin of a thigh. 



„ 28 



33 i 0-025 



0-000825 



23 



0-05 



000115 



Death in from 

 4 to 5 days. 



Death 

 3 to 



in from 

 4 days. 



On 3rd day, motor weakness, but almost no 

 change in rate of respiratory or cardiac move- 

 ments. On 4th day, congestion of skin of 

 injected leg and a little blood passed per ano. 

 Blood also passed on 5th day. After death, 

 injected leg has subcutaneous and intramuscular 

 oedema, with large and linear haemorrhages both 

 in thigh and leg below knee. Tissues of non- 

 injected leg are pale, and blood-vessels seem 

 empty. A little oedema of trunk, with small 

 haemorrhages at throat. Stomach and intes- 

 tines contained much blood. 



Do. do. After death, haemorrhages of injected 

 leg from the urostyle to the ankle; none of 

 non-injected leg, where blood-vessels seem 

 nearly empty. Blood in alimentary canal 

 (Plate C, fig. 3). 



Injection under the skin of a leg below the knee. 



Oct. 29 



36 



0-005 



29 



„ 29 



23 



31 



0-01 



25 



003 



29 



0-05 



0-00018 



Death in from 

 7 to 8 days 



000<i3 



0-00U75 



00115 



Death 

 5 to 



in from 



6 days. 



Death 



from 



6 to 7 days. 



Death in from 

 2 to 3 days. 



Discoloration and swelling of left leg below 

 knee, and swelling of abdomen and throat. 

 Motor weakness. Blood-stained fluid passed 

 per ano on 6th day. After death, large effusion 

 of blood in left leg below knee and in left foot, 

 and a few punctiform haemorrhages in left thigh 

 Pallor of all other subcutaneous tissues of limbs 

 and trunk. No blond in stomach, and only a 

 very little in small and large intestines. 



No definite symptoms. After death, numerous 

 punctiform and linear haemorrhages in left leg 

 and foot, a smaller number in left thigh, and 

 a very few in right thigh and leg and in pec- 

 toral muscles. Stomach, lower part of small 

 intestines, and large intestine distended with 

 reddish-brown contents, containing much blood. 



Swelling of left leg below knee in 2 days. Re- 

 spiratory and cardiac movements remained 

 unchanged for 6 days, and on sixth day blood 

 was passed per ano. After death, much blood- 

 stained serum in subcutaneous tis>ues through- 

 out body, punctiform haemorrhages in left leg 

 and foot, much fewer in both thighs and floor 

 of mouth. Stomach and small intestines dark 

 purple and containing blood. Large intestine 

 contains less blood. 



Only clotted blood passed on 2nd day, and some 

 swelling of left leg below tbe knee. After 

 death, blood-stained serum, congestion, and 

 haemorrhages on surface of muscles in left leg 

 below knee, where left gastrocnemius is dark 

 crimson and ecchymosed-looking, and adjoining 

 muscles are mottled with dark reddish-brown 

 patches. A few small hemorrhages in left thigh. 

 Stomach con tains a little and large intestine acon- 

 siderable quantity of matter containing blood. 



