BY T. HARVEY JOHNSTON AND M. J. BANCROFT. 249 



on January 16th Fresh exudate was seen on the 16th and 

 17th. On Febrtiary 1st she calved and from this date 

 to 11th was examined twace daily, but no matured females 

 were seen. Fresh exudate appeared on 9th and 10th. 

 From March 18th-24th she was examined five times, 

 numerous larvae being visible on the escutcheon but no 

 fully developed ticks were seen. Extensive exudate 

 appeared on 20th. On Jvme 7th she was again examined 

 when two fully- matured females were found, while males 

 and nymphs were fairly numerous on the backs of the legs. 



Beauty, bought from M. Bourke, Rosewood, 1911 ; 

 clean, February, 1915 ; a few ticks present, May, 1915 ; 

 clean, November, 1915 ; ticky and sprayed, January, 

 1916 ; vaccinated from Sweetbriar, 20th January, 1916 ; 

 exudate present, March, 1916. Stock book). 



June 24th, 1916 : plenty of small ticks on escutcheon 

 and axillae but none seen engorged though Mr. HuU stated 

 that some do occasionally become engorged. Sold, 1917. 



Betsy, bought at Gympie, 1913. June 24th, 1916 : 

 though refeiTed to by Mr. Hull as a ticky animal, only a 

 few small ticks were observed, also some tick sores. Sold, 

 1917. 



Buttercup, born 1907 ; dam, Old Spot by Jersey BuU. 

 Light yellow Jersey with yellow skin. 



This cow had been running with a mob of milkers at 

 Downey's in a rough and hilly paddock with poor grass 

 since January, 1916. The cattle were poor and had been 

 badly infested with ticks, they were dipped a week previous 

 to examination. Buttercup had never been dipped and 

 though only in fair condition had remained free from 

 ticks. No ticks could be found on date of examination 

 (at Downey's), February 3rd, 1918. June 7th, 1918, 

 examined at "' Cudgeree ": small ticks were fairty numerous. 

 Fresh exudate visible. Died, October, 1918. 



Cherry, bought at Ripley, 1909. 



June 24th, 1916. Examined immediately on her 

 return from several months' stay in a neighbouring ticky 

 paddock and found to be ticky. Sold 1917. 



