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Three pairs of adult R. s. ~ms were found on a serval at Torit. _

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Several leopards examined at various localities throughout 1Equatoria Province were free of ticks.

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Only two of many lions examined yielded ticks; these, from 5Torit, were ten adult 11. 1. leachii and nine adult 3. simus.

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Aard_varks (ORYCTEROPODDJAE, QIZCLGTOES afer) were not en. countered in this Province.

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No elephants were examined in this Province west of the Nile but specimens of 2. 2. circ ttatus found on grass near Kajo Kaji probably had been associl'a¥§ with these animals. East of the Nile four of many elephants seen immediately after death were infested. The numbers of ticks on each, all adult A. tholloni, were six, twelve, 23, and 197. It is of interest that in Bahr E21. Ghazal Province numerous elephants were infested only by large numbers of R. SiII111S sinnls and R. simus senegalensis, none by the specific elephant parasite, l_\.. t'hol'lT:ni_.

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HE‘.'I‘EI10HYRAX BRUCEI HOOGSPRAALI Setzer, 1956. Hoogstraal's Largetoothed Flock ‘rfyrax.

This is the common hyrax of rocky outcrops in the plains east of the Nile and some twenty were examined. Thirteen larvae and a female brum ti infested three specimens at Imurok and Imatong. Eleven adults and a nymph of the East African hyrax tick, H. be uaerti, were also attached to the two Irnurok specimens _as well as a single male R. s. sanfléneus. Twenty_one immature E. ?sp. were also found 65 t ese yraxes; these latter may prove to be ?distinctus. Elsewhere in TOI‘iL and Juba Districts no ticks occurred on these hyraxes.

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In western Juba District and west of the Nile, Slatin's rock hyrax is common. A single male ?distinctus was taken at Rejaf and seven male bguaerti at Lui . Both ticks are specific on hyraxes.

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CERATOI‘HIRIUM SIMUM COT'I‘ONI (Lydekker, 1908). Northern Square.
Ii ppa or White Rhinoceros.

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No ticks from either of these animals are available from the Sudan and none were examined for ectoparasites during the present investigation. The white rhinoceros occurs only west of the Nile and the black rhinoceros only east of the Nile though stragglers of the latter are reputed rarely to be seen west of the Nile. It is probable that the Sudan specimens of A. rhino. cerotis and D. rhinocerinus from both Equatoria and Bahr mwhazal Provinces, all foufi on grass, were associated with these animals.

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A warthog at Lugurren was infested by a female H. truncatum, fifteen adult R. 5. simus, and a mle R. simus sene '51e1?1€£ Sunat, 25 adults 3r E. sinms sene alen_sis were tfi from one host and at Kheirallah seven_E'GIts of the same tick were found on a warthog. Several warthogs in Torit District were uninfested.

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Two wild boars near Torit were infested by a few adults of ii. truncatum, R. pravus, and E. _s_. simus.

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Two hippos shot at Nimule in May and October (rainy season) each had a pair of adult Q. _s. sinus attached to the ears.

FAMILY GIRAFFIDAE GHAFFA CAMELOPARDALIS SUBSP. Nubian Giraffe. Scattered giraffe populations occur from the Nile eastward at least to Kapoeta but no specimens were obtained for the present study. A comparatively large axmunt of significant data on in. festation of giraffes is presented under Bahr El Ghazal Province. FAMILY BOVIDAE

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Buffalos are common from Yei District eastwards and are almost invariably infested by ticks all of which (in the present collection) are adults. The buffalo amblyomma, A. cohaerens, however, is represented by only a single collection of 52 males

from the Boma Plains; fifteen male 5. legdum were taken from the same animal, along with twenty R. s. s mus, eighteen R. simus senegalensis, a single R. s. sahgifineus, and 55 A. vaY'ieat.'1i_m. ~rs of thi'é 1ht~st flmst'ev~o on the east bank of Ehuatoria Province. Small numbers of H.

rufi s and H. truncatum on a few buffalos in this Provinci

are In strifing contrast to the high rate and density of infes. tation by these ticks in northeastern Bahr El Ghazal Province.

In eastern Equatoria, infestations of R. a. sinus are most com.

mon next to those of A. varie atum. I5 JTba_E'Yei Districts smaller numbers of R."com s1' Ins R. 1on% and R. sufirtritus have been collected’ from &'Tfios._ , _

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Possibly the most interesting data resulting from listing the antelopes below are the generally low or moderate numbers of ticks infesting them on the east bank of Equatoria Province. Had more collections been obtained during the raimr season, the rate and density of infestation might have been somewhat higher.

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Near Meridi, five adult 13. annulatus and thirteen adult 12. decoloratus were taken from a giant elafi.

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TAIIRUTRAGUS (B11 PATTHISONIANUS Lydekker, 1906. East African mafia

An eland at Loronyo bore a female 5. lepidum and a pair of adults and seven nymphs of A. varie atum. ing e adults of R. s. simus were the only ticks fofi on two elands near Torit and T{idi'epo. At Tarangore another yielded four adult g. 3. 3a_n_gg1_r;e_ug and one at Terakeka a single adult 2. evertsi.

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Blue duikers are not uncommon in the mountain forests east of the Nile but they are difficult to obtain. A female 1!. parmata has been taken from an animal in the Noli Hills.

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Five adults and two nymphs of_A. variegatum were infesting a duikerbok near Torit. Several others in is area were uninfested.

KOBUS DEFASSA HARNIERI Gflurie, 1867). Harnier's Waterbuck.

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"Several" H. aciculifer from Muragatika have been reported in literature. Waterbficks that we examined near the Nile were un_ infested.

ADENOTA.KQ§ LEUCOTIS (Lichtenstein and Peters, 1854). White.eared Kob.

No ticks were recovered from a few kobs shot in Eastern District.

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A few reedbucks examined near Nimule and Juba yielded no ticks.

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About half the roans obtained in Juba, Torit, and Eastern Districts were parasitized by small numbers of adult tiqks representing A. le idum, A. variegatum R. appendiculatus rare east of the Nile), R. 3. evertsi, R: 2. sanguineus, and R. s. simus.

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Sudan Government collections contain single adults of A. lepidum and R. E. sinus from Terakeka.

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ALCELAPHUS BUSELAPHUS ROOSEVELTI (Heller, 1912). Roosevelt's
Hartebeest.

In Torit District from one to fifteen ticks were found on infested hartebeests, locally called "tel.tel", but a number of others examined were tickless. Adults and nymphs of A. lepidum

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