254 
J. W. CONNAWAY. 
until the effects of the inoculation had passed off, before sending 
them south. 
The first inoculation was made December 8th. Each bull 
received 2 cc. of blood from a northern steer that had been 
rendered immune to Texas fever by artificial tick infestations. 
Bull 534 took sick on the 12th day following. On the 13th 
day the fever was 105.2°. The fever continued, though not so 
high, until the 18th day, after which it fell to the normal. 
During the fever the bull was off feed, gaunt, and laid down 
much of the time. 
Bull 540. Fever appeared on the 13th day, with a maxi¬ 
mum of 104.8°. It was of short duration, he continued eating, 
and did not appear to be seriously sick. 
Bull No. 3. Fever appeared on the 6th day, temperature 
104.3 0 F* Had fever and did not eat well for six days. After 
this the temperature fell and the bull’s appetite returned. 
The second inoculation was made Jan. 2, 1899. Each bull 
received 2 j 4 cc. of blood from an immune Texan steer. 
Bull 534 showed only a mild reaction from this inoculation. 
This possibly was a secondary reaction from the first inocula¬ 
tion. 
Bull 540 showed fever on the fourth day. Jan. 6th, fever 
105.4 0 ; bull lies down much of the time. Jan. 7th, 106° ; bull 
off feed. Jan. 8th, 103.7 0 ; refuses food. Jan. 9th, 101.5 0 ; eats 
hay only. 12th, temperature ioo° F.; eats quite well. From 
this time the bull remained in good health. 
Bull No. 3. Fever followed second inoculation. Jan. 12th, 
fever 103.8°. Jan. 13th, fever 105.6° ; bull off feed and has 
diarrhoea. Jan. 14th, fever 104.6° F.; Jan. 15th, fever 104.5 0 
F., urine clear. Jan. 16th, fever 105.8° F. Jan. 17th, 104.5 0 
at 3 P. m. Jan. 18th, fever 104.6°, bull eating. Jan. 19th, 
104.8°. Jan. 21, 103.5 0 , fever falling. From this time on this 
bull appeared quite well. During his stay at the Station he 
gained 65 lbs. in weight. 
A third inoculation was given to these bulls. Each received 
3 cc. of blood from an immune Texan steer on Feb. 22d. The 
