Anxals of the Tka^^svaal Museum. 



155 



not more than half as wide as the median area. Dorsal surface glabrous, 

 several radiating deep pits, of which one is median and posterior ; eleven 

 iestoons not very apparent on the posterior edge. Ventral surface concaye or, 

 swollen, glabrous ; festoons very short on the posterior margin ; sexual 

 orifice wide, prominent, opposite the second inter-coxal space sexual grooves 

 Aerv divergent ; anus near the posterior quarter ; anal and ano-marginal 

 grooves not present; stigmatic plates oval; elongated transversely. Rostrum 

 1 mm. or more in length, base short, nearly three times as wide as long ; 

 2}orose areas large, not very deep, well separated, not apparent in young- 

 females : mandil)les with inner apaphysis l;)earing a short, sub-globose 

 process inserted at near anterior third of apophysis, and Ijearing two small 

 teeth ; outer apophysis large, with three or four terminal teeth followed by 

 iwo large, almost eipial teeth ; hypostome and palpi similar to those of the 

 male. Legs similar to those of the male. 



Host. — Pytlion {Pi/thoii sehai). Found in the sockets of the eyes 

 '(Neumann). 



Habitat.- — S o u 1 1 1 . V f r i c a . 



Genus EHIPICEXTOE. XUTTALL and ]YAHBURTON. 



7?/n>/V('/?/or, Xuttall and AVarl)urton (190T). 



Eyes present ; Ijase of rostrum wider than long, lateral angles 

 prominent ; pal])i as wide or wider than long ; stigmatic plates comma 

 ■sha})ed ; no ventral anal plates ; coxae I divided into two stout teeth ; 

 coxae IV of male very much larger than coxae I, II and III, and hears 

 in both male and female two very large spines on the posterior margin. 



EHIPICEXTOE VICIXrS. NEUMANN. 



The Hedgehog Tick. 



h'/i ipirerttor ririnus, Xeumann (1908). 



Plate yJT, figures / to i. 



Male. — Bod 11 sul)-oval, Avider near the posterior, slightly constricted 

 hehind the eyes, 6 mm. long (rostrum included), 3.3 nnn. wide near the 

 posterior third. Dorsal sliield slightly convex, shining, chestnut brown in 

 colour, without spots, narrow margin of the abdomen showing l)eyond the 

 shield in the posterior two thirds ; cervical grooves deep and wide, spread- 

 ing out widely ; marginal grooves commencing l)ehind the eyes, deep, 

 rather close to the margin, terminating in a groove between the two last 

 iestoons ; punctuations large, sub-equal, not very numerous, very distant 

 from each other, arrani>-ed in lines near the lateral margins, one to two 

 punctuations on each festoon ; more numerous in front of the eyes ; in 

 front of the festoon a crescent shaped depres<i(Ui, marked by fine ]ninctua- 

 tions. Ejies flat, yellowish, marginal, tliree small ])unctuations forming a 

 border on the inner .^ide. Yentrcd surface {VII, f) reddish yellow, with a few 

 very short hairs ; anal groove semi-circular, open to the front, supported 

 behind by a single ano-maro'inal groove which terminates at the median 

 festoon ; genital grooves diverging widely behind coxae IV ; ventral 

 festoons well marked ; wider than long, no groove limiting them in front ; 

 no cRudal ])rolongation ; stigmatic ])late- of a medium size, comma shaped, 

 with the prolongation extending postero-dorsally. Bostrum (VTI, g) 0.92 mm. 

 long (from the tip of the palpi to the point of the ]~)osterior angles) ; dorsal 

 surface of the Tiase twic(^ a> wide as long, lateral angles near the anterior 



