TEXAS FEVER 341 
virulent in the blood of naturally immunized cattle for from 10 to 12 
years. 
The very limited knowledge of the life cycle of the parasite of Texas 
fever precludes a satisfactory explanation of the modus operandi in 
the production of immunity by these various procedures. On this 
point, there is need for much additional investigation. 
REFERENCES 
1. Bases. Die Aetiologie der seuchenhaften Hamoglobinurie des Rindes. Vir- 
chow’s Archiv, Bd. CXV (1889), S. 81 ; 
2. Connaway. Texas fever or acclimation fever. Bulletin No. 37. Mo. State 
Board of Agriculture, 1897. 
3. Connaway anp Francis. Texasfever. Bulletin No. 48. Agric. Exp. Station, 
Mo. 1899. 
4. Currice. Progress and prospects of tick eradications. Twenty-seventh Annual 
Report, B. A. I., 1910, p. 255. 
5. Daurympue, Staptes, Morcan anp Dopson. Texas or southern cattle fever. 
Bulletin 51. Louisiana Agric. Expt. Station, 1898. 
6. Dawson. Cattle tick eradication. Publication 103 State Board of Health oy 
Florida, 1913. 
7. Diywippre Some Texas fever experiments. Bulletin No. 20. Ark. Agric. 
Exper. Station, 1893. 
8. Dopp. Anaplasm or Jolly bodies. Jour. of Comp. Path. and Therap., Vol. 
XXVI (1913), p. 97. 
9. Francis anp Connaway. Texas fever. Bulletin No. 53. Texas Agric. Expt. 
Station, 1899. ; 
10. Gamcer, Dopcr, BittiIncs ano Curtis. Diseases of cattle in the United 
States. Report of the Commissioner of Agriculture, Washington, D. C., 1871. 
11. Hugues. The fight against Texas fever. A review of the work being attempted 
in the south for the control and eradication of the disease. Am. Vet. Review, Vol. 
XXIX (1906), p. 1309. 
12. Huntanp Couns. Report ontickfever. Brisbane. Queensland, Australia, 
1899. 
13. Kiem. Methods of eradicating cattle ticks. Circular No. 110. B. A. L., 
1907. 
14. Kocn. Vorlaufiger Bericht iber das Rhodesische Rotwasser oder “Afrikanisch 
Kiustenfieber.” Archiv. far wiss. u. praktische Tierheilkunde, Bd. XXX (1904), S. 281. 
15. Lewis. Texas fever. Bulletin No. 39. Oklahoma Agric. Exper. Station, 
1899. 
16. Licnikres. La “Tristeza” ou Malarie Bovine dans la République Argentina 
Buenos Aires, 1890. (Full bibliography). 
17. Lienikres. Vaccination against bovine Piroplasmosis. Rev. Général de Méd. 
Vét., 1911, p. 489. Reviewed Jour. Comp. Path. and Therap., Vol. XXV (1912), p. 59. 
18. Mayo. Texasfever. Bulletin No. 69. Kan. Agric. Exper. Station, 1897. 
19. McCutzocu. The prevention of Texas fever and the amended laws controlling 
contagious disease. Bulletin No. 104. Virginia Agric. Exper. Station, 1899. 
20. Moutmr. Texas fever. Bulletin No. 78. Bureau of Animal Industry, 1905. 
21. Nites. Splenetic or Texas cattle fever. Bulletin No. 61, Virginia Agric. 
Exper. Station, 1896. 
22. Norcaarp. Dipping cattle for the destruction of ticks. Annual Report, 
Bureau of Animal Industry, 1895-6, p. 109. 
