33° 
C. E. CLAYTON. 
f 
COW No. 3. 
COW No. 4. 
January 8th, 7 P. M. 103 3-5 
10 “ 103 Injected at this time. 
IOI 
101 1-5 Injected. 
January 9th, 7 A. M. 102 1-5 
101 1-5 
9 “ 102 2-5 
101 3-5 
11 “ 102 4-5 
102 3-5 
1 P. M. 102 3-5 
105 2-5 
3 “ 102 4-5 
104 4-5 
Cow No. 3 giving no reaction, was 
nor destroyed. 
Post-mortem of cow No. 4 showed tubercular deposit on right 
lung about the size of a silver dollar and tracheal glands slightly 
affected. 
COW No. 5, 1 year old. 
COW No. 6. 
1 P. M. 101 2-5 
IOI 4-5 
10 “ 101 Injected at this time. 
101 2-5 
7 A. M. 101 1-5 
102 
9 “ 101 3-5 
105 
11 “ 101 4-5 
106 2-5 
1 P. M. 101 4-5 
106 2-5 
3 “ 101 2-5 
102 4-5 
No. 5 not destroyed. 
Post-mortem of Cow No. 6. Small tubercular deposits were 
found in left lung and also in mammary gland and right ovary. 
COW No. 7. 
January 8th, 7 P. M. 101 1-5 
10 “ 101 1-5 Injected at this time. 
January 9th, 7 A. M. 101 4-5 
9 “ 102 
n “ 103 1-5 
1 P. M. 105 1-5 
3 “ I0 3 3-5 
Post-mortem of Cow No. 7. Only one tubercular nodule 
could be found and this was deeply seated in right lung. 
Nos. 4 and 5 will be tried again in the future. 
The conclusions to be drawn from these cases are, that tuber¬ 
culin is a most delicate test, as the lesions in Nos. 4, 6 and 7 
were so slight that it was impossible to detect their presence by 
physical examination. 
