PHYSIOLOGICAL ACTION OF VENOM OF BLACK SNAKE. 165 
Ex. I].—Dog, weight 11-5 kilos. 
11:25 a.m., sample of blood taken. 
11:30 a.m., (0065 gramme venom injected in lumbar region, 
10 p.m., sample of blood taken. 
3°30 ,, sample of blood taken. 
50 ~=,, sample of blood taken. 
Number of Corpuscles. 
ee Red in10 | White in 100 
Time. squares. squares. 
Before injection ... Be a 540 12 
1} hours after... $e Se 492 15 
4 hours after $6 if iB 441 31 
Sthoursafter ... _... ae 402 33 
Ex, III.—Dog, weight 11:2 kilos. 
Sept. 29, 10-30 a.m., sample of blood taken. 
” 10°35 ,, ‘Ol gramme venom injected in lumbar 
region. 
” 5°0 p.m., sample of blood examined (had vomited, 
and passed urine stained with haemo- 
globin). 
» 30, 10-0 am., sample blood taken, (very ill, refuses 
food but drinks eagerly; can walk 
. with difficulty. Urine contains 
haemoglobin). 
Oct. 1, 10-0 a.m., sample of blood taken, (condition the same). 
ss sample of blood taken, (condition worse, urine 
intensely coloured by haemoglobin). 
The dog died during the day. 
Number of Corpuscles. 
i Red in 10 White in 100 
Time, ‘< squares, 
SRE TAREE hans ere ee Ee 
Before injection .. ..,  ...| 548 16 
Shoursafter .. ...  ...| 967 34 
= Fs Hes ag Sosa 57 
48 ‘ oe tec omer ree 67 
| es oe ve 
Retina ON TS A tae ane e 
