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THE CATTLE GRUBS OR OX WARBLES LT 7 
KRAUSE, R. 
1912. Dasselschiiden und Abdasselung. Jn Mitteilungen des Ausschusses 
zur Bekiimpfung der Dasselplage, No. 1, pp. 1-28. Berlin. 
LAAKE, EK. W. 
1921. Distinguishing characters of the larval stages of the ox-warbles 
Hypoderma bovis and Hypoderma lineatum, with description of 
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1924. Further observations on the molts of the ox bots Hypoderma bovis 
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LEHMANN, N., and C. VANEY. 
1911. Pourcentages et qualités des peaux attaquées par les larves de 
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LINNE, K. von. 
1739. Om Renarnas broemskulor i Lapland. (Oestrus.) In K. Svenska 
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LounssBury, C. P. 
1914. Warble flies. A danger with imported cattle. Jn Agr. Jour. 
Union §S. Afr., vol. 8. pp. 61-64, illus. 
LuceET, A. 
1914. Recherches sur l’évolution de |}Hypoderma bovis De Geer et les 
moyens de le détruire. Jn Compt. Rend. Acad. Sci. [Paris], 
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MARLATT, C. L. 
1897. The ox warble. U. S. Dept. Agr. Div. Ent. Cir., 2d ser., 25, 
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Mason, F. A. 
1921. Biology and its relationship to the leather industry. Jn Leather 
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MAxWELL-LEFRoyY, H. M., and F. M. How.Lertt. 
1909. Indian insect life. A manual of the insects of the plains (Tropi- 
cal India). xii+786 pp. Calcutta, 1909. 
Mitteilungen des Aussechusses zur Bekimpfung der Dasselplage. 1912— 
1919. 7 reports. Berlin. (See references 29, 76, 87, and 88.) 
MoHtLer, J. R. 
1922. Report of the Chief of the Bureau of Animal Industry, U. S. 
Dept. Agr., 62 pp. Washington. 
MotTE, D. C. : 
1917. Observations on the distribution of warble flies in Ohio. In 
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O’KANE, W. C. 
1922. One year of the Crop Protection Institute. Jn Jour. Econ. Ent., 
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ORMEROD, E. A. 
1894. Observations on warble fly or ox bot fly, Hypoderma bovis, De 
Geer. 62 pp., illus. London. 
1900. Flies injurious to stock, being life-histories and means of pre- 
vention of a few kinds commonly injurious, with special ob- 
Servations on ox warble or bot fly. pp. viii-+80, illus. London. 
Osporn, H. 
1896. Insects affecting domestic animals.... U. S. Dept. Agr., Div. 
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OSTERTAG, R. 
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PaTTon, W. S. 
1924. Note on the occurrence of Hypoderma lineatum Villers in the 
Punjab. Jn Indian Jour. Med. Research, vol. 11, pp. 961-962. 
