102 
J. W. CONNAWAY. 
in flesh, became somewhat gaunt, but continued to graze. He 
made a good recovery, and at the time of the second infestation 
was lively and apparently in perfect health. The second more 
gross infestation produced no fever. Temperature observations 
were continued until November ist. The animal went into 
winter quarters in excellent condition. This steer was infested 
in a different pasture from Nos. 2, 3, and 4. He was grossly 
reinfested the following summer and fall (1898) but showed no 
evidences of fever. Through the spring, summer and fall of 
1899 he was again exposed to a presumably more severe'infec¬ 
tion in the quarantine territory, at College Station, Texas, and 
remained in perfect health. 
The following group of yearling Jersey steers: No. 2, 
u Spot ” ; No. 3, “ Red,” and No. 4, “ Fawn,” were infested 
August 28th, 1897, with about 200 ticks each. They had also 
been placed a week before upon a pasture that proved to be 
grossly infested with ticks (from “ single dipped ” Texas cat¬ 
tle). Morning and evening temperatures were recorded from 
date of infestation until November ist. A few mature ticks 
were found September 13th, twenty days after infesting. In a 
few days mature ticks -were numerous, and continued so for a 
week. On September 26th, these steers were almost free from 
the ticks coming from the artificial infestation. This infesta¬ 
tion produced scarcely any elevation of temperature in Nos. 2 
and 3. In No. 4, several high afternoon temperatures had been 
observed, but nothing indicating a continuous fever period. 
October 29th, it was observed that the animals were well in¬ 
fested with small ticks picked up from the pasture. This in-, 
festation proved to be more severe. From October 4th to 9th, 
No. 2, u Spot,” had a fever period, morning temperatures rang¬ 
ing from 102.7 to 105.7 and evening temperature for two 
weeks from 103.7 t° 107.7 F* The animal became gaunt, lay 
down much of the time, and had little appetite. October nth, 
the morning temperature was normal and continued so until 
November ist, when regular observation ceased. A few imma¬ 
ture ticks were found on this steer as late as January 3d. No. 
