\ NEW SOUTH-A.FRICAN TICK. 



37 



chitinoiTS tooth-like projection ; postero-marginal festoons indicated by tufts 

 of stiff hairs, six tufts on either postero-lateral margin. Capitukim has the 

 usual generic features. External angles of basal portion not prominent ; 

 posterior salient margin with blunt, short, backwardly-directed processes at 

 lateral angles. Palpi subconical, very short ; hypostome slightly spatulate, 

 •4 longitudinal rows of teeth on each half, terminal portion with numerous 

 minute teeth. Legs strong, reddish-brown with darker markings ; segments 



Fia-. 4. 



Fig. 3. 



RMptcephalus phthirioides. — Capitulum of Female, X 60. 

 Fig. 3. Ventral surface. Fig. 4. Dorsal surface. 



o£ 4th pair enormously dilated ; coxse of 1st pair bidentate, spines very short, 

 coxse of 2nd, 3rd, and 4th pairs slightly unidentate ; tarsi bicalcarate, the 

 terminal spurs being so large as to dwarf the relatively small pulvilli ; 

 external margins of the 3rd and 4th pairs of legs fringed with numerous stiff 

 hairs. 



Female. Body elliptical, widest at middle. Maximum length 4 mm., 

 max. breadth 2*7 mm. ; margin entire. Greneral colour grey with yellowish 

 and darker grey irregular markings. Scutum as broad as long, cordiform, 

 with rounded angles at middle of lateral margins, light reddish-brown ; 

 cervical furrows shallow, extending to posterior margin of scutum, divergent 

 behind ; eyes pale, brilliant, situated opposite lateral angles ; few minute hairs 



