OLEI^EV, N. 0. (1930) Resultats scientifiques des travaux des expe- 

 ditions de 1928 et 1929 pour I'etxide des parasites des 

 aninatDC domestiques au Kazalcstan. (in Russian). C.R. 

 Acad. 3ci. U.R.S.3., A(22): 60/^610. 



(I93IA) The parasitic ticks, Ixodoidea, of the fauna 



o?~the USSR. (In Riissian). Tab. anal. Faune U.R.S.S. , 

 A: 125 pp. 



(I93IB) Contribution to the classification and geo- 



crapliical distribution of the ticks (Ixodoidea). V. 

 (In Russian). Mag. Parasit., Moscow, 2:2;!^9-26l. 



(1931c) Zie Zecken (Ixodoidea) der Fauna Russlands. 



77~Farasitenk., /^(l) :l2£ul39. 



(1934) Les limites septentrionales de la distribu- 

 tion des tiques Ixodoidea sur les continents du globe 

 terrestre. (In Russian, French suinmary). Bull. Acad. 

 Sci. U.R.S.S., (2_3): 367-388. 



___________^ (1950) New data on the effect of poisons from higher 



plants on ticks and insects. (In Russian). C.R. Acad. 

 Sci. U.R.S.S., n.s., 75(l):U9-151. 



OLIVIER, J. (192A) Notes siir la fievre recurrente. Ann. Soc. 

 beige lied, trop., 3(3):365-376. 



QiER-COOPER, J. & VfiilTNALL, A. B. M. (1945) An arsenic-resistant 

 tick (Boophilus decolor atus ) . Nature, Lond. (3963), 

 156;45CL451. 



OPPERllAI^JN, E. (1935) Die Entstehung des Riesenspermien von Argas 

 columbarun (Shaw) (reflexxis F.). Z. raikr— anat. 

 Forsch., 37(4): 53^1^ 



ORDMAN, D. (1939) An outbreak of African relapsing fever in the 

 Cape Province. S. Afr. ined. J., 13 (13): 49^1-498. 



(1941) The occurrence of relapsing fever and the geo- 

 graphical distribution of Omithodorus nioubata in South 

 Africa. Uith an account of investigations carried out 

 in the northern and eastern Transvaal. Ibid, 15(19): 



383-338. — 



_ 1030 _ 



