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ANIMALS AND OTHER SOURCES FROM WHICH

TICKS HAVE BEEN COLLECTED

The following lists are a resume of Sudanese tick host records in the present collection. The faua of Torit District in Equatoria Province has been most thoroughly studied, that of Eastern and Juba Districts, to the east and west of Torit District respectively, has also received considerable attention though not to the extent of that in Torit District. These three Districts comprise that part of Equatoria Province lying east of the Nile. The west bank of Equatoria Province remains poorly known and will unoubtedly pro. vide a rich source of new data to future workers.

In Bahr El Ghazal Province, the area from Yirol to Wau and northwards has been fairly well studied; the remainder of this Province has been surveyed but should receive more attention. Upper Nile Province is the least studied of this group of three Provinces with tropical African savannah landscape and big game animals. Some East African tick species presently unknown in the Sudan may occur on animals in this area. Hosts from which ticks have been collected in the remaining Provinces, comprising desert scrub, semidesert, and desert zones of the Sudan, are mostly domestic animals. Kassala and Northern Provinces are less well represented in these collections than Darfur and Kordofan Provinces.

Equatoria Province data are more representative of the over. all picture of host parasite relationships than those of other Provinces and are, therefore, reviewed in greater detail than data for other Provinces. Certain significant negative data are also included.

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