Annals of the Teansvaal Museum. 



137 



opening- opposite first intercoxal ^pace ; stigniatic plates sliort, comma- 

 shaped ; genital grooves extending to posterior margin, ano-marginal 

 groove well marked ; festoons not very distinct. Legs slender, reddish 

 brown in colour ; coxae II, III, and IV, each with two strong teeth on 

 posterior margin ; coxae I, bidentate ; tarsi with two ventral spurs ; hairs 

 on all the articles. 



Flosfs. — Dog, hedgehog {Erinaceus frontalis), horse. 



Hahifat. — Congo Free State, Transvaal. 



This tick has only recently been described (Neunuvnn, 1907) from 

 the Congo. In the Transvaal it has onlv been taken in the Zoutpansberg 

 district on dogs and hedgehogs. 



EHIPICEPHxiLUS DUTTONI. NEUMANN. 

 The Congo Beown Tick. 

 Bill pice plialus dutfoiii, Neumann (1907). 



Male. — Bodij narrow in front, broadest (1.85 mm.) a little posterior to 

 the middle, length with, rostrum 3.55 mm. Dorsal shield slightly convex, 

 chestnut brown without spots, abdomen does not extend beyond its margins ; 

 cervical grooves very broad, shallow, and form elongate depressions, contain 

 no punctures and are prolonged posteriorly by a narrow superficial groove 

 which extends beyond the middle point of the length ; marginal grooves 

 broad, shallow, slightly and finely punctured, commencing almost 

 immediately behind the eyes, and terminating in a groove which separates 

 the last from the following festoon ; punctuations irregular, coarsest in 

 front, fine and superficial over the remainder of the surface ; behind are 

 three wide, shallow, unpunctured longitudinal grooves, the middle one the 

 longest ; festoons longer than broad, slightly ptmctured. Otherwise normal ; 

 eyes flat, yellowish, large, marginal. Ventral surface reddish brown, 

 convexed with rather long and abtmdant whitish hairs ; antts anterior of 

 the middle of the length of the anal shields ; and shields shaped like a 

 scalene triangle, tlie inner edges longest, forming a long inner posterior 

 spine, rectilinear in the anterior half, outer edge slightly convex, posterior 

 edge concave and ])ordered by a row of large punctuations ; adanal shields 

 replaced l)y a prominent non-chitinous fold ; no caudal prolongation but 

 a chitinous thickening on the median festoon ; stigniatic plates, whitish, 

 narrow, comma-shaped. Host rum with base almost twice as broad as long, 

 lateral angles at aliout the middle of the length, posterior angles quite 

 prominent ; liypostome slightly spatulate, with six rows of teeth ; palpi 

 as broad as long, flattened dorsalW, second segment scarcely longer than 

 the third and retraced into a blunt point dorsally at its posterior border. 

 Legs relatively strong ; coxae covered with long white hairs, anterior 

 summit much prolonged and conspicuous on the dorsal surface as an 

 auricle, with two very long spines ; on the posterior margins of the second 

 and third coxae an external spine, flat, as broad as long, coxae IV divided 

 on its posterior margin into two broad flat spines ; tarsi of medium size, 

 with two terminal spines. 



Female. — Unknown. 



Hosts.— CMle. 



Hahitat. — Congo, Xorthern Transvaal, Mocaml)ique. 



This tick seems to be very closely related to B. ajipendiculatus and 

 lunulatus. It was originally described from the Congo, and only a very 

 few specimens have been found in the Northern Transvaal. 



