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WHITNALL, A. B. M., BRADFORD, B., McHARDY, W., WHITEHEAD, G. B. &
MEERHOLZ, F. (1949B) Some preliminary observations on

the control of the bont tick Amblyomma hebraeum Koch.
S. Afr. J. Sci., 45:115–116.

WHITNALL, A. B. M., McHARDY, W. M., WHITEHEAD, G. B. & MEERHOLZ, F. (1951) Some observations on the control of the bont tick, Amblyomma hebraeum Koch. Bull. ent. Res., Bull. ent. Res., 41(3): 577-591.

WHITNALL, A. B. M., THORBURN, J. A., McHARDY, W. M., WHITEHEAD, G. B. & MEERHOLZ, F. (1952) A BHC_Resistant Tick. Bull. ent. Res., 43(1):5165.

WHITNALL, A. B. M., THORBURN, J. A., WHITEHEAD, G. B., McHARDY, W. M. & MEERHOLZ, F. (1949) A tick resistant to y-Benzene hexachloride. Nature, Lond. (4179), 164:956-957.

WHITNEY, D. M., ANIGSTEIN, L. & MICKS, D. W. (1950) Antibacterial activity of hydrolyzed red blood cells in vitro. Proc. Soc. exp. Biol. N.Y. (17902), 74:346–350.

WHITTICK, R. J. (1938) On a new tick from British Somaliland.
Parasitology, 30(3):333–338.

WIGGELSWORTH, V. B. (1943) The fate of haemoglobin in Rhodnius prolixus (Hemiptera) and other blood sucking arthropods. Proc. roy. Soc., Series B, 131:313-339.

(1945) Transpiration through the cuticle of

insects. J. exp. Biol., 21:97-114.

WILEY, A. J. (1953) Notes on animal diseases. XXV. Common ticks of livestock in Kenya. E. Afr. agric. J., 19(1):16. WILLCOCKS, F. C. (1922) Acarina. In: A survey of more important economic insects and mites of Egypt. Tech. Bull. Sultanic agr. Soc., No. 1, pp. 427-432.

WILLIAMS, C. B. (1923) A short bio-climatic study in the Egyptian desert. Bull. tech. Sci. Serv., Min. Agric. Egypt,

No. 29, 30 pp.

WILLIAMS, C. B. (1924A) Bioclimatic observations in the Egyptian desert in March, 1923. Bull. tech. Sci. Serv., Min. Agric. Egypt, No. 37.

(1924B) A third bio-climatic study in the Egyptian

desert. Ibid, No. 50, 40 pp.

WILSON, S. G. (1943) Cattle ticks and their control by dipping in Nyasaland. Nyasal. agric. quart. J., 3(4):15-24.

(1944) Theileriasis in cattle in Northern Province, Nyasaland. Vet. Rec., 56(30):255–258.

(1945) Some factors affecting the incidence of East Coast fever in Northern Province, Nyasaland. J. S. Afr. vet. med. Ass., 16(2):47-52.

(1946) Seasonal occurrence of Ixodidae on cattle in Northern Province, Nyasaland. Parasitology, 37(3-4):

118125.

(1948A) Research. Rep. Vet. Dep. Uganda, 1947. pp. 13.20.

(1948B) A method of assessing the acaricidal properties of DDT and "gammexane" preparations in field trials. Bull. ent. Res., 39(2):269 276.

(1948) The feeding of "gammexane" and DDT to bovines. Ibid, 39(3):423-434.

(1949) The use of benzene hexachloride as a dis persable powder (gamatox 2) in cattle dipping tanks. E. Afr. agric. J., 15(1):13.

(1950A) Research. Rep. vet. Dep. Uganda, 1948, pp. 17-25.

(1950B) A checklist and host list of Ixodoidea found in Nyasaland, with descriptions and biological notes on some of the rhipicephalids. Bull. ent. Res., 41(2):415–428.

WILSON, S. G. (1950C) Research. Rep. vet. Dep. Uganda, 1949, pp. 16.29.

(1950D) An experimental study of East Coast fever in Uganda. I. A study of the type of East Coast fever reactions produced when the number of infected ticks is controlled. Parasitology, 40(3-4):195–209.

(1950E) Idem. II. The durability of immity in East Coast fever. Ibid, 40(3-4):210214.

(1951A) Idem. III. A study of the East Coast fever reactions produced when infected ticks 31 days old are fed on susceptible calves in limited numbers over a period of 3 weeks. Ibid, 41(12):23-35.

(1951B) Idem. IV. A study of the East Coast fever reactions produced when infected ticks 171 days old were fed on susceptible calves in limited numbers over a period of 3 weeks. Ibid, 41(12):3645.

(1953) A survey of the distribution of the tick vectors of East Coast fever in East and Central Africa, Proc. 15th Int. vet. Congr., 1:287–290.

(1954) Rhipicephalus hurti n. sp. (Ixodidae) from Kenya game and domestic animals. Parasitology, 44 (3-4):277-284.

WOODCOCK, H. M. (1920) Correspondence. Brit. Med. J. (28 Feb.). pp. 310 311.

WORSLEY, R. R. Le G. (1950) Benzene hexachloride as a cattle dip. E. Afr. agric. J., 15(3):127-145 (1949).

Y

YAKIMOV (YAKIMOFF), W. L. (1917) Les tiques des animaux domestiques du Turkestan russe. Bull. Soc. Path. exot., 10(4):

298301.

de Russie. Ibid, 15(1):4146.

(1922) Contribution à l'étude des ixodides

(1923) A propos des Ixodides de Russie.

Parasitology, 15(3):253-255.

YAKIMOV, L. & KOHL YAKIMOV, N. (1911) Etude des ixodidés de Russie. Arch. parasit., Paris, 14(3):416425.

YAKOUB, K. (1945) Relapsing fever in Egypt. J. Egypt. med. Ass., 28(7):327-330.

YALVAC, S. (1939) Histologische Untersuchungen über die Entwick lung des Zeckenadultus in der Nymphe. Z. Morph. Okol. Tiere, 35(4):535–585.

YAMASHITA, J. (1939) Studies of ticks found in Manchoukuo. I. On two species of ticks from cattle at the Yamuyingtzu stock farm, near Wangyehmiao, Inner Mongolia, Manchoukuo. (In Japanese, English summary). Jap. J. vet. Sci., (6):602 609.

YASAROL, S. (1954) Toxophene in cattle tick control.

(In

Turkish, French summary). Türk vet. Hekim. dern.
Derg., 24:1756-1766.

YORKE, W. & BLACKLOCK, B. (1915) Notes on certain animal parasites of domestic stock in Sierra Leone. (Fourth Report of the Thirty-second Expedition of the Liverpool School of Tropical Medicine 1914-15). Ann. trop. Med. Parasit., 9(3):413–420.

YOUNG, W. A., FARR, A. G. & MCKENDRICK, A. J. (1946) Relapsing
fever in the Lake Province of Tanganyika, with an

account of a case in an eight day old infant. E. Afr.
med. J., 23(11):345-347.

N

ZANON, V. (1919) Invasione di Leptodemus minutus Jak. a Bengasi nel maggio 1919. Agricoltura colon., 16(2):445-450, 17(1):22 30.

ZAPHIRO, D. (1949) Notes on Loelli Game. Sudan Wild Life, 1(2): 617.

ZASUKHIN, D. N. (1932) Nuttallia minor n. sp. a new blood para site of horses. Preliminary report. (In Russian, English summary). Rev. Microbiol., Saratov, 9(3): 181-185.

(1935) Ticks and the problems of the control
of the piroplasmosis of horses. 2d ed. (In Russian).
159 pp., Saratov, Sarat. Gos. Izd.

ZAVATTARI, E. (1930) Note di parassitologia Cirenaica. Boll.
Soc. ital. Med. e Ig. colon., (13), 11 pp. (reprint).

(1932) Ornithodoros e febbri ricorrenti nella

Libia. G. Ital. Mal. esot., 5(12):317-322.

(1933) Ancora:

Ornithodoros e febbri ricorrenti

nella Libia. Ibid, 6(2):38–48.

(1934) Sulla asserita presenza dell'Ornithodoros moubata in Libia e sull'asserita conseguente presenza in Libia della febbre ricorrente de Spirochaeta duttoni. Arch. ital. Sci. med. colon., 15(5):347-352.

ZHMAEVA, Z. M., PCHELKINA, A. A., MISHCHENKO, N. K. & KARULIN, B. E. (1955) The epidemiological importance of ectoparasites

of birds in a natural focus of Q fever in the south of
Central Asia. (In Russian).
(In Russian). C. R. Acad. Sci. U.R.S.S.,
101(2):387-389.

ZIEMANN, H. (1905) Beitrag zur Verbreitung der blutsaugenden Tiere in West-Afrika. Arch. Schiffsu. Tropenhyg., 9(3):114

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